LTC1090CN#PBF datasheet, PDF - EEWORLD Datasheet

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LTC1090CN#PBF: Description8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin PDIP N Tube; File Size345KB，28 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1090CN#PBF Overview

8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin PDIP N Tube

LTC1090CN#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
Converter Type	General Purpose
Architecture	SAR
Resolution	10bit
Number of ADCs	1
Number of Input Channels	8/4\|4/2
Sampling Rate	30ksps
Digital Interface Type	Serial (3-Wire, 4-Wire, SPI, Microwire)
Input Type	Voltage
Input Signal Type	Single-Ended\|Differential
Voltage Reference	External
Polarity of Input Voltage	Unipolar\|Bipolar
Voltage Supply Source	Single\|Dual
Input Voltage	5V\|±5V
Minimum Single Supply Voltage (V)	4.5
Typical Single Supply Voltage (V)	5
Maximum Single Supply Voltage (V)	10
Minimum Dual Supply Voltage (V)	0/4.5
Typical Dual Supply Voltage (V)	±5
Maximum Dual Supply Voltage (V)	-5.5/10
Typical Power Dissipation (mW)	5
Maximum Power Dissipation (mW)	500
Integral Nonlinearity Error	±0.5LSB
Full Scale Error	±2LSB
Sample and Hold	Yes
Single-Ended Input	Yes
Digital Supply Support	No
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tube
Supplier Temperature Grade	Commercial
Pin Count	20
Standard Package Name	DIP
Supplier Package	PDIP N
Mounting	Through Hole
Package Height	3.68(Max)
Package Length	26.92(Max)
Package Width	6.48
PCB changed	20
Lead Shape	Through Hole

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LTC1090

Single Chip 10-Bit Data

Acquisition System

FEATURES

■

DESCRIPTIO

■

Software Programmable Features:

Unipolar/Bipolar Conversions

4 Differential/8 Single Ended Inputs

MSB or LSB First Data Sequence

Variable Data Word Length

Built-In Sample and Hold

Single Supply 5V, 10V or

±5V

Operation

Direct 4 Wire Interface to Most MPU Serial Ports and

All MPU Parallel Ports

30kHz Maximum Throughput Rate

The LTC

1090 is a data acquisition component which

contains a serial I/O successive approximation A/D con-

verter. It uses LTCMOS

switched capacitor technology

to perform either 10-bit unipolar, or 9-bit plus sign bipolar

A/D conversions. The 8-channel input multiplexer can be

configured for either single ended or differential inputs (or

combinations thereof). An on-chip sample and hold is

included for all single ended input channels.

The serial I/O is designed to be compatible with industry

standard full duplex serial interfaces. It allows either

MSB or LSB first data and automatically provides 2’s

complement output coding in the bipolar mode. The

output data word can be programmed for a length of 8, 10,

12 or 16 bits. This allows easy interface to shift registers

and a variety of processors.

The LTC1090A is specified with total unadjusted error

(including the effects of offset, linearity and gain errors)

less than

±0.5LSB.

The LTC1090 is specified with offset and linearity less than

±0.5LSB

but with a gain error limit of

±2LSB

for

applications where gain is adjustable or less critical.

KEY SPECIFICATIO S

■

Resolution: 10 Bits

Total Unadjusted Error (LTC1090A):

±1/2LSB

Max

Conversion Time: 22µs

Supply Current: 2.5mA Max, 1.0mA Typ

, LTC and LT are registered trademarks of Linear Technology Corporation.

LTCMOS is a trademark of Linear Technology Corp.

TYPICAL APPLICATIO

LTC1090

DIFFERENTIAL

INPUT

BIPOLAR INPUT

–5V

OUT

UNIPOLAR

INPUTS

SCLK

FOR 8051 CODE SEE

APPLICATIONS INFORMATION

SECTION

MPU

(e.g., 8051)

1.0

0.5

ERROR (LSBs)

P1.1

P1.2

P1.3

P1.4

SERIAL DATA

LINK

0.0

– 0.5

–1.0

512

OUTPUT CODE

LTC1090 • TA02

(+)

(–)

– UNIPOLAR

INPUT

LTC1090 • TA01

–5V

Linearity Plot

1024

1090fc

LTC1090CN#PBF Related Products

	LTC1090CN#PBF	LTC1090ACN#PBF	LTC1090CSW#PBF	LTC1090CSW#TRPBF	LTC1090CSW
Description	8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin PDIP N Tube	8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin PDIP N Tube	8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin SOIC W Tube	8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin SOIC W T/R	8-Channel Single ADC SAR 30ksps 10-bit Serial 20-Pin SOIC W
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Compliant	Not Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Active	Unconfirmed
Converter Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Architecture	SAR	SAR	SAR	SAR	SAR
Resolution	10bit	10bit	10bit	10bit	10bit
Number of ADCs	1	1	1	1	1
Number of Input Channels	8/4\|4/2	8/4\|4/2	8/4\|4/2	4/2\|8/4	4/2\|8/4
Sampling Rate	30ksps	30ksps	30ksps	30ksps	30ksps
Digital Interface Type	Serial (3-Wire, 4-Wire, SPI, Microwire)	Serial (3-Wire, 4-Wire, SPI, Microwire)	Serial (3-Wire, 4-Wire, SPI, Microwire)	Serial (3-Wire, 4-Wire, SPI, Microwire)	Serial (3-Wire, 4-Wire, SPI, Microwire)
Input Type	Voltage	Voltage	Voltage	Voltage	Voltage
Input Signal Type	Single-Ended\|Differential	Single-Ended\|Differential	Single-Ended\|Differential	Differential\|Single-Ended	Differential\|Single-Ended
Voltage Reference	External	External	External	External	External
Polarity of Input Voltage	Unipolar\|Bipolar	Unipolar\|Bipolar	Unipolar\|Bipolar	Bipolar\|Unipolar	Unipolar\|Bipolar
Voltage Supply Source	Single\|Dual	Single\|Dual	Single\|Dual	Dual\|Single	Dual\|Single
Input Voltage	5V\|±5V	5V\|±5V	±5V\|5V	±5V\|5V	±5V\|5V
Minimum Single Supply Voltage (V)	4.5	4.5	4.5	4.5	4.5
Typical Single Supply Voltage (V)	5	5	5	5	5
Maximum Single Supply Voltage (V)	10	10	10	10	10
Minimum Dual Supply Voltage (V)	0/4.5	0/4.5	0/4.5	0/4.5	0/4.5
Typical Dual Supply Voltage (V)	±5	±5	±5	±5	±5
Maximum Dual Supply Voltage (V)	-5.5/10	-5.5/10	-5.5/10	-5.5/10	-5.5/10
Typical Power Dissipation (mW)	5	5	5	5	5
Maximum Power Dissipation (mW)	500	500	500	500	500
Integral Nonlinearity Error	±0.5LSB	±0.5LSB	±0.5LSB	±0.5LSB	±0.5LSB
Full Scale Error	±2LSB	±1LSB	±2LSB	±2LSB	±2LSB
Sample and Hold	Yes	Yes	Yes	Yes	Yes
Single-Ended Input	Yes	Yes	Yes	Yes	Yes
Digital Supply Support	No	No	No	No	No
Minimum Operating Temperature (°C)	-40	-40	-40	-40	-40
Maximum Operating Temperature (°C)	85	85	85	85	85
Supplier Temperature Grade	Commercial	Commercial	Commercial	Commercial	Commercial
Pin Count	20	20	20	20	20
Standard Package Name	DIP	DIP	SOP	SOP	SOP
Supplier Package	PDIP N	PDIP N	SOIC W	SOIC W	SOIC W
Mounting	Through Hole	Through Hole	Surface Mount	Surface Mount	Surface Mount
Package Height	3.68(Max)	3.68(Max)	2.34(Max)	2.34(Max)	2.34(Max)
Package Length	26.92(Max)	26.92(Max)	13.01(Max)	13.01(Max)	13.01(Max)
Package Width	6.48	6.48	7.6(Max)	7.6(Max)	7.6(Max)
PCB changed	20	20	20	20	20
Lead Shape	Through Hole	Through Hole	Gull-wing	Gull-wing	Gull-wing
Packaging	Tube	Tube	Tube	Tape and Reel	-

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