ZSC31050FAG1-T datasheet, PDF - EEWORLD Datasheet

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ZSC31050FAG1-T: DescriptionSSOP-16, Tube; CategoryAnalog mixed-signal IC The signal circuit; File Size436KB，30 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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ZSC31050FAG1-T Overview

SSOP-16, Tube

ZSC31050FAG1-T Parametric

Parameter Name	Attribute value
Brand Name	Integrated Device Technology
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	SSOP
package instruction	SOP,
Contacts	16
Manufacturer packaging code	PYG16
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
Humidity sensitivity level	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Tin (Sn)
Terminal form	GULL WING
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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Advanced Differential

Sensor Signal Conditioner

Description

ZSC31050 is a CMOS integrated circuit for highly accurate amp-

lification and sensor-specific correction of bridge sensor and

temperature sensor signals. The device provides digital com-

pensation of sensor offset, sensitivity, temperature drift, and non-

linearity via a 16-bit RISC microcontroller running a polynomial

correction algorithm.

The ZSC31050 accommodates virtually any bridge sensor type

(e.g., piezo-resistive, ceramic thick-film, or steel membrane

based). In addition, it can interface to a separate temperature

sensor. The bi-directional digital interfaces (I

C, SPI, and

ZACwire™) can be used for a simple PC-controlled one-pass

calibration procedure to program a set of calibration coefficients

into an on-chip EEPROM. A specific sensor and a ZSC31050 can

be mated digitally: fast, precise, and without the cost overhead

associated with trimming by external devices or laser. The

ZACwire™ interface enables an end-of-line calibration of the

sensor module.

Typical applications for the ZSC31050 include industrial, medical,

and consumer products. It is specifically engineered for most

resistive bridge sensors; e.g., sensors for measuring pressure,

force, torque, acceleration, angle, position, and revolution.

ZSC31050

Datasheet

Features



Digital compensation of sensor offset, sensitivity, temperature

drift, and nonlinearity

Accommodates nearly all resistive bridge sensor types (signal

spans from 1mV/V up to 275mV/V)

Digital one-pass calibration: quick and precise

Selectable compensation temperature source: bridge,

thermistor, or internal or external diode

Output options: voltage (0 to 5V), current (4 to 20mA), PWM,

C, SPI, ZACwire™ (one-wire interface), alarm

Adjustable output resolution (up to 15 bits) versus sampling

rate (up to 3.9kHz)

Current consumption: 2.5mA (typical)

Selectable bridge excitation: ratiometric voltage, constant

voltage, or constant current

Input channel for separate temperature sensor

Sensor connection and common mode check (sensor aging

detection)

AEC-Q100 qualification (temperature grade 0)

Benefits

No external trimming components required



PC-controlled configuration and calibration via digital bus

interface – simple, low cost



High accuracy (±0.1% FSO @ –25 to 85°C;

±0.25% FSO @ –40 to 125°C) *



Physical Characteristics

Operation temperature -40°C to +125°C (-40°C to +150°C

de-rated, depending on product version)



Supply voltage: 2.7V to 5.5V;

with external JFET: 5V to 48 V



Available in 16-SSOP package or as die



Available Support

Evaluation kit available



Support for industrial mass calibration available



Quick circuit customization possible for large production

volumes



Basic Circuit Diagram

VCC

Sensor

Module

ZSC31050

OUT

GND

* Digital output signal.

March 18, 2020

ZSC31050 Datasheet

Contents

Electrical Characteristics ..............................................................................................................................................................................5

1.1

1.2

1.3

Absolute Maximum Ratings ...............................................................................................................................................................5

Operating Conditions .........................................................................................................................................................................5

Inherent Characteristics .....................................................................................................................................................................7

1.3.1

1.3.2

1.4

1.4.1

1.4.2

1.4.3

1.4.4

1.4.5

1.4.6

1.4.7

1.5

1.5.1

1.5.2

2.1

2.2

2.3

Cycle Rate versus ADC Resolution ....................................................................................................................................8

PWM Frequency .................................................................................................................................................................8

Supply / Regulation ..............................................................................................................................................................9

Analog Front End ................................................................................................................................................................9

DAC and Analog Output (OUT Pin) ....................................................................................................................................9

PWM Output (OUT Pin, IO1 Pin) ........................................................................................................................................9

Temperature Sensors (IR_TEMP Pin) ................................................................................................................................9

Digital Outputs (IO1, IO2, OUT Pins in Digital Mode) .......................................................................................................10

System Response .............................................................................................................................................................10

Multiport Serial Interfaces (I

C, SPI) .................................................................................................................................11

One-Wire Serial Interface (ZACwire™) .............................................................................................................................11

Electrical Parameters .........................................................................................................................................................................9

Interface Characteristics ..................................................................................................................................................................11

Circuit Description ......................................................................................................................................................................................12

Signal Flow ......................................................................................................................................................................................12

Application Modes ............................................................................................................................................................................13

Analog Front-End (AFE)...................................................................................................................................................................14

2.3.1

2.3.2

2.3.3

2.3.4

2.4

2.5

Programmable Gain Amplifier (PGA) ................................................................................................................................14

Extended Zero Point Compensation (XZC).......................................................................................................................14

Measurement Cycle Performed by Multiplexer .................................................................................................................16

Analog-to-Digital Converter ...............................................................................................................................................16

System Control ................................................................................................................................................................................18

Output Stage ....................................................................................................................................................................................18

2.5.1

2.5.2

2.5.3

Analog Output ...................................................................................................................................................................20

Comparator Module (ALARM Output) ...............................................................................................................................20

Serial Digital Interface .......................................................................................................................................................20

2.6

2.7

Voltage Regulator ............................................................................................................................................................................21

Watchdog and Error Detection .........................................................................................................................................................21

Application Circuit Examples ......................................................................................................................................................................22

ESD/Latch-Up-Protection ...........................................................................................................................................................................23

Pin Configuration and Package ..................................................................................................................................................................24

Reliability ....................................................................................................................................................................................................25

Customization .............................................................................................................................................................................................25

Ordering Information...................................................................................................................................................................................26

Related Documents ....................................................................................................................................................................................26

March 18, 2020

ZSC31050 Datasheet

10. Glossary .....................................................................................................................................................................................................27

11. Revision History..........................................................................................................................................................................................28

List of Figures

Figure 1. Block Diagram of the ZSC31050 .......................................................................................................................................................12

Figure 2. Measurement Cycle ZSC31050 ........................................................................................................................................................16

Figure 3. Application Example 1 .......................................................................................................................................................................22

Figure 4. Application Example 2 .......................................................................................................................................................................22

Figure 5. Application Example 3 .......................................................................................................................................................................22

Figure 6. Application Example 4 .......................................................................................................................................................................22

Figure 7. Application Example 5 .......................................................................................................................................................................23

Figure 8. Pin Configuration ...............................................................................................................................................................................25

List of Tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Adjustable Gains, Resulting Sensor Signal Spans, and Common Mode Ranges .............................................................................14

Extended Zero Point Compensation (XZC) Range............................................................................................................................15

Output Resolution versus Sample Rate.............................................................................................................................................17

Output Configurations Overview........................................................................................................................................................18

Analog Output Configuration .............................................................................................................................................................20

Pin Configuration ...............................................................................................................................................................................24

March 18, 2020

ZSC31050FAG1-T Related Products

	ZSC31050FAG1-T	ZSC31050FIG1-R	ZSC31050FEG1-R
Description	SSOP-16, Tube	SSOP-16, Reel	SSOP-16, Reel
Brand Name	Integrated Device Technology	Integrated Device Technology	Integrated Device Technology
Is it lead-free?	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to
Parts packaging code	SSOP	SSOP	SSOP
package instruction	SOP,	SOP,	SOP,
Contacts	16	16	16
Manufacturer packaging code	PYG16	PYG16	PYG16
Reach Compliance Code	compliant	compliant	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16
JESD-609 code	e3	e3	e3
Humidity sensitivity level	1	1	1
Number of functions	1	1	1
Number of terminals	16	16	16
Maximum operating temperature	125 °C	85 °C	150 °C
Minimum operating temperature	-40 °C	-25 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260	260	260
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V
surface mount	YES	YES	YES
technology	CMOS	CMOS	CMOS
Temperature level	AUTOMOTIVE	OTHER	AUTOMOTIVE
Terminal surface	Tin (Sn)	Tin (Sn)	Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING
Terminal location	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Base Number Matches	1	1	-

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