ZMD31020AF datasheet, PDF - EEWORLD Datasheet

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ZMD31020AF: DescriptionAnalog Circuit, 1 Func, CMOS, PDSO14; CategoryAnalog mixed-signal IC The signal circuit; File Size182KB，2 Pages; ManufacturerIDT (Integrated Device Technology)

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ZMD31020AF Overview

Analog Circuit, 1 Func, CMOS, PDSO14

ZMD31020AF Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	IDT (Integrated Device Technology)
package instruction	SSOP,
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G14
JESD-609 code	e0
length	6.2 mm
Humidity sensitivity level	3
Number of functions	1
Number of terminals	14
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	2 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	5.3 mm

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ZMD31020

Differential Sensor Signal Conditioner

Description

ZMD31020 is a CMOS integrated circuit for the conditioning of ratiometric differential sensor signals. The device

provides digital compensation of sensor offset, sensor sensitivity, temperature drift and non-linearity through a

16-bit RISC-microcontroller running a correction algorithm.

A bidirectional I2C-interface allows for a simple PC-controlled calibration procedure, encompassing writing and

programming of a set of calibration coefficients into an on-chip EEPROM. Thus a specific sensor and a

ZMD31020 device are mated digitally: fast, precise and without cost overhead for trimming components.

The ZMD31020 has been designed for commercial, industrial and automotive applications and is specifically

suited for piezo-resistive pressure sensors.

Features

0.25%FSO accurate digital concept, based on 16-bit RISC-µController

Ratiometric differential input stage: min. span 20mV/V; 15.66x to 42x PGA; 12-bit A-to-D conversion

Temperature reference: off- or on-chip diode; 10-bit A-to-D Conversion

2 order signal conditioning algorithm, based on 7 calibration constants

0 to 5V ratiometric analog output & I2C digital output (12-bit resolution)

Throughput: 100 results / s

PC-controlled electronic calibration – simple, low-cost

Operation: -40°C to +125°C; +4.5V to +5.5V

Deliverable in SSOP14 (5.2mm width) or as die

Demokit available: samples, documentation, calibration-HW / SW

Application Circuit

Feature Sheet, Rev. 1.0, April 9th, 2002

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