LTC1296BISW datasheet, PDF - EEWORLD Datasheet

LTC1296BISW: Description8-Channel Single ADC SAR 46.5ksps 12-bit Serial 20-Pin SOIC W; File Size386KB，28 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1296BISW Overview

8-Channel Single ADC SAR 46.5ksps 12-bit Serial 20-Pin SOIC W

LTC1296BISW Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Not Compliant
ECCN (US)	EAR99
Part Status	Unconfirmed
HTS	8542.39.00.01
SVHC	Yes
SVHC Exceeds Threshold	Yes
Converter Type	General Purpose
Architecture	SAR
Resolution	12bit
Number of ADCs	1
Number of Input Channels	8\|4
Sampling Rate	46.5ksps
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	Bipolar\|Unipolar
Voltage Supply Source	Single\|Dual
Input Voltage	5V\|±5V
Typical Single Supply Voltage (V)	5
Maximum Single Supply Voltage (V)	12
Typical Dual Supply Voltage (V)	±5
Maximum Power Dissipation (mW)	500
Integral Nonlinearity Error	±0.5LSB
Full Scale Error	±0.5LSB
No Missing Codes (bit)	12
Sample and Hold	Yes
Single-Ended Input	Yes
Digital Supply Support	No
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Pin Count	20
Standard Package Name	SOP
Supplier Package	SOIC W
Mounting	Surface Mount
Package Height	2.34(Max)
Package Length	13.01(Max)
Package Width	7.6(Max)
PCB changed	20
Lead Shape	Gull-wing

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LTC1293/LTC1294/LTC1296

Single Chip 12-Bit

Data Acquisition System

FEATURES

■

DESCRIPTIO

■

Software Programmable Features

Unipolar/Bipolar Conversion

Differential/Single Ended Inputs

MSB-First or MSB/LSB Data Sequence

Power Shutdown

Built-In Sample and Hold

Single Supply 5V or

±5V

Operation

Direct 4-Wire Interface to Most MPU Serial

Ports and All MPU Parallel Ports

46.5kHz Maximum Throughput Rate

System Shutdown Output (LTC1296)

KEY SPECIFICATIO S

■

The LTC1293/4/6 is a family of data acquisition systems

which contain a serial I/O successive approximation A/D

converter. It uses LTCMOS

switched capacitor technol-

ogy to perform either 12-bit unipolar, or 11-bit plus sign

bipolar A/D conversions. The 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. When the

LTC1293/4/6 is idle it can be powered down in applica-

tions where low power consumption is desired. The

LTC1296 includes a System Shutdown Output pin which

can be used to power down external circuitry, such as

signal conditioning circuitry prior to the input mux.

The serial I/O is designed to communicate without external

hardware to most MPU serial ports and all MPU parallel

I/O ports allowing up to eight channels of data to be

transmitted over as few as three wires.

LTCMOS

is a trademark of Linear Technology Corporation

Resolution: 12 Bits

Fast Conversion Time: 12µs Max Over Temp

Low Supply Current: 6.0mA

TYPICAL APPLICATI

12-Bit Data Acquisition System with Power Shutdown

5.1k

2N3906

10k

1/4 LT1014

1.2M

CH0

CH1

CH2

CH3

SSO

CLK

–

1.2M

1µF

350Ω STRAIN

GAUGE BRIDGE

CH4

CH5

CH6

CH7

COM

LTC1296

OUT

REF

–

AGND

–

THREE ADDITIONAL STRAIN GAUGE INPUTS

CAN BE ACCOMMODATED USING THE OTHER

AMPLIFIERS IN THE LT1014

DGND

74HC04

47µF

+5V

MPU

1N4148

LTC1293 TA01

129346fs

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