AD7739 - ADI

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

Part No

AD7739
Manufacturer

ADI
ChipWorker Part#

CW480098664
Description

8Channel, 4kHz, 24Bit Sigma-Delta A/D Converter
Documentation

Datasheet

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AD7739 Specifications

Attribute	Attribute Value

Part Number	AD7739
Manufacturer	ADI
ChipWorker Part#	CW480098664
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7739 is a high precision, high throughput analog front end. True 16-bit peak-to-peak resolution is achievable with a total conversion time of 250 µs (4 kHz channel switching) making it ideally suitable for high resolution multiplexing applications.
The AD7739 is based on a sigma-delta architecture and features up to 24 bits of no missing codes performance. The part can be configured via a simple digital interface, which allows users to balance the noise performance against data throughput up to a 15.4 kHz conversion rate. The analog front end features 8 single-ended or 4 fully differential input channels with unipolar or bipolar 625 mV, 1.25 V and 2.5 V input ranges and accepts a common mode input voltage from 200 mV above AGND to AVDD-300 mV. The ADC supports per channel system calibration options.
The digital serial interface can be configured for three-wire operation and is compatible with microcontrollers and digital signal processors. All interface inputs are Schmitt triggered.
The part is specified for operation over the extended industrial temperature range of -40ºC to +105ºC and is available in 24-lead TSSOP package.
### Features and Benefits
High resolution ADC
\- 24 bits no missing codes
\- ±0.0015% Nonlinearity
Optimized for Fast Channel Switching
\- 18-Bits p-p Resolution (21 Bits Effective) at 500 Hz
\- 16-Bits p-p Resolution (19 Bits Effective) at 4 kHz
\- On-Chip Per Channel System Calibration
Configurable Inputs 8 Single-Ended or 4 Fully Differential
Input Ranges
\- +625 mV, ±625 mV, +1.25 V, ±1.25 V, +2.5 V, ±2.5 V
3-Wire Serial Interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible
\- Schmitt Trigger on Logic Inputs
Single-Supply Operation
\- 5 V Analog Supply
\- 3 V or 5 V Digital Supply
Package: 24-Lead TSSOP

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
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- XRF inspection
- Electrical testing
- Surface testing

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