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AD7891APZ-1

IC DAS 12BIT 8CH 44-PLCC

Product Category: Integrated Circuits (IC Chips)
Mfr. Part #
AD7891APZ-1
Manufacturer: Analog Devices
Package: 44-LCC (J-Lead)
Lead Free Status /RoHS Status:
Data Sheet: AD7891APZ-1 Datasheet
Inventory: In Stock

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Mfr. Part #: AD7891APZ-1

Specifications
Product Details

Specifications

Manufacturer Analog Devices

Product Category ADCs/DACs

Series AD7891

Product Analog to Digital Converters

Type Data Acquisition System (DAS)

Packaging Tube Alternate Packaging

Unit-Weight 0.084185 oz

Mounting-Style SMD/SMT

Package-Case 44-LCC (J-Lead)

Input-Type Single-Ended

Operating-Temperature -40Â°C ~ 85Â°C

Mounting-Type Surface Mount

Output-Type CMOS/TTL

Number-of-Channels 8 Channel

Voltage-Supply 5V

Supplier-Device-Package 44-PLCC (16.59x16.59)

Resolution-Bits 12 b

Sampling-Rate-Per-Second 500k

Data-Interface Serial, Parallel

Voltage-Supply-Source Single Supply

Architecture SAR

Resolution 12 bit

Reference-Type External Internal

Pd-Power-Dissipation 100 mW

Maximum Operating Temperature + 105 C

Operating temperature range - 40 C

Power-Consumption 82 mW

Interface-Type Parallel Serial 5-Wire

SNR-Signal-to-Noise-Ratio 70 dB

Package-Case PLCC-44

Gain-Error +/- 3 LSB

Number-of-Converters 1 Converter

Sampling-Rate 500 kS/s

INL-Integral-Nonlinearity +/- 1 LSB

DNL-Differential-Nonlinearity +/- 1 LSB

Product Details

GENERAL DESCRIPTION

The AD7891 is an 8-channel, 12-bit data acquisition system with a choice of either parallel or serial interface structure. The part contains an input multiplexer, an on-chip track/hold amplifier, a high speed 12-bit ADC, a 2.5 V reference, and a high speed interface. The part operates from a single 5 V supply and accepts a variety of analog input ranges across two models, the AD7891-1 (Â±5 V and Â±10 V) and the AD7891-2 (0 V to +2.5 V, 0 V to +5 V, and Â±2.5 V).

FEATURES

Fast 12-Bit ADC with 1.6 Î¼s Conversion Time
8 Single-Ended Analog Input Channels
Overvoltage Protection on Each Channel
Selection of Input Ranges: Â±5 V, Â±10 V for AD7891-1 0 to +2.5 V, 0 to +5 V, Â±2.5 V for AD7891-2
Parallel and Serial Interface
On-Chip Track/Hold Amplifier
On-Chip Reference
Single-Supply, Low Power Operation (100 mW Max)
Power-Down Mode (75 Î¼W Typ)

APPLICATIONS

Data Acquisition Systems
Motor Control
Mobile Communication Base Stations
Instrumentation

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Mfr. Part #: AD7891APZ-1