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AD7884
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MFG:AD Package Cooled:PLCC44 D/C:07/08+

AD7 Series Datasheet download

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Part Number: AD7884

MFG: AD

Package Cooled: PLCC44

D/C: 07/08+

Description: The AD7884/AD7885 is a 16-bit monolithic analog-to-digital converter with internal sample-and-hold and...

AD7884 General Description

The AD7884/AD7885 is a 16-bit monolithic analog-to-digital converter with internal sample-and-hold and a conversion time of 5.3 ms. The maximum throughput rate is 166 kSPS. It uses a two pass flash architecture to achieve this speed. Two input ranges are available: ±5 V and ±3 V. Conversion is initiated by the CONVST signal. The result can be read into a microprocessor using the CS and RD inputs on the device. The AD7884 has a 16-bit parallel reading structure while the AD7885 has a byte reading structure. The conversion result is in 2s complement code.

The AD7884/AD7885 has its own internal oscillator which controls conversion. It runs from ±5 V supplies and needs a VREF+ of +3 V.

The AD7884 is available in a 40-pin plastic DIP package and in a 44-pin PLCC package.

The AD7885 is available in a 28-pin plastic DIP package and the AD7885A is available in a 44-pin PLCC package.

AD7884 Maximum Ratings

V_DD to AGND . . . . . . . . . . . . . . . . . . . . . ........ . . . 0.3 V to +7 V
AV_DD to AGND . . . . . . . . . . . . . . . . . . . . . ........ . . 0.3 V to +7 V
V_SS to AGND . . . . . . . . . . . . . . . . . . . . . . ........ . . +0.3 V to 7 V
AV_SS to AGND . . . . . . . . . . . . . . . . . . .. . ...... . . . 0.3 V to 7 V
AGND Pins to DGND . . . . . . . . . . . ............ 0.3 V to VDD + 0.3 V
AV_DD to V_DD² . . . . . . . . . . . . . . . . ... ..... . . . . . . . 0.3 V to +7 V
AV_SS to V_SS² . . . . . . . . . . . . . . . . . .... ... . . . . . . . +0.3 V to 7 V
GND to DGND . . . . . . . . . . . . . ............ . . . 0.3 V to V_DD + 0.3 V
V_INS, VINF to AGND . . . . . . . .......... . . V_SS 0.3 V to V_DD + 0.3 V
V_REF+ to AGND . . . . . . . . . . ... .... .. . . V_SS 0.3 V to V_DD + 0.3 V
V_REF to AGND . . . . . . . . . . .. .... . .. . V_SS 0.3 V to V_DD + 0.3 V
VINV to AGND . . . . . . . . . . . ....... . .. . V_SS 0.3 V to V_DD + 0.3 V
Digital Inputs to DGND . . . . . . ......... . . . . 0.3 V to V_DD + 0.3 V
Digital Outputs to DGND . . . . . .. . . ....... . 0.3 V to V_DD + 0.3 V
Operating Temperature Range
   Commercial Plastic (A, B Versions) . .......... . . . 40 to +85
   Industrial Cerdip (A, B Versions) . . . . ....... . . . 40 to +85
   Extended Cerdip (T Versions) . . . . . . ......... . 55 to +125
Storage Temperature Range . . . . . . . . . . ....... 65 to +150
Lead Temperature (Soldering, 10 secs) . . .. . .... .. . . . . . +300
Power Dissipation (Any Package) to +75 . . .... .. . . . 1000 mW
Derates above +75 by . . . . . . . . . . . . . . . . ....... . . . 10 mW/

AD7884 Features

Monolithic Construction
Fast Conversion: 5.3 ms
High Throughput: 166 kSPS
Low Power: 250 mW

AD7884 Typical Application

Automatic Test Equipment
Medical Instrumentation
Industrial Control
Data Acquisition Systems
Robotics

AD7884 Connection Diagram

AD7884 datasheet

AD7884
PDF/DataSheet Download

Datasheet: AD7884
File Size: 326870 KB
Manufacturer: AD [Analog Devices]
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