AD7609 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7609
Manufacturer

ADI
ChipWorker Part#

CW983506786
Description

8Channel Differential DAS with 18Bit, Bipolar, Simultaneous Sampling ADC
Documentation

Datasheet

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AD7609 Specifications

Attribute	Attribute Value

Part Number	AD7609
Manufacturer	ADI
ChipWorker Part#	CW983506786
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The AD7609 is an 18-bit, 8-channel, true differential, simultaneous sampling analog-to-digital data acquisition system (DAS). The part contains analog input clamp protection, a second-order antialiasing filter, a track-and-hold amplifier, an 18-bit charge redistribution successive approximation analog-to-digital converter (ADC), a flexible digital filter, a 2.5 V reference and reference buffer, and high speed serial and parallel interfaces.
The AD7609 operates from a single 5 V supply and can accommodate ±10 V and ±5 V true bipolar differential input signals while sampling at throughput rates up to 200 kSPS for all channels. The input clamp protection circuitry can tolerate voltages up to ±16.5 V. The AD7609 has 1 MΩ analog input impedance regardless of sampling frequency. The single supply operation, on-chip filtering, and high input impedance elimi-nate the need for driver op amps and external bipolar supplies. The AD7609 antialiasing filter has a −3 dB cutoff frequency of 32 kHz and provides 40 dB antialias rejection when sampling at 200 kSPS. The flexible digital filter is pin driven, yields improvements in SNR, and reduces the −3 dB bandwidth.
**APPLICATIONS**
Power line monitoring and protection systems
Multiphase Motor Control
Instrumentation and control systems
Multiaxis positioning systems
Data Acquisition Systems
### Features and Benefits
8 simultaneously sampled inputs
True Differential Inputs
True bipolar analog input ranges: ±10 V, ±5 V
Single 5 V analog supply and 2.3 V to 5.25 V VDRIVE
Fully integrated data acquisition solution
Analog input clamp protection
Input buffer with 1 MΩ analog input impedance
Second-order antialiasing analog filter
Flexible parallel/serial interface
See data sheet for additional features

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