AD7328 - ADI

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

Part No

AD7328
Manufacturer

ADI
ChipWorker Part#

CW389469084
RoHS

Lead free / RoHS Compliant
Description

8Channel, Software-Selectable True Bipolar Input, 12Bit Plus Sign ADC
Documentation

Datasheet

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AD7328 Specifications

Attribute	Attribute Value

Part Number	AD7328
Manufacturer	ADI
ChipWorker Part#	CW389469084
Documentation	Datasheet
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The AD7328 is an 8-channel, 12-bit plus sign, successive approximation ADC designed on the iCMOS (industrial CMOS) process._ i_CMOS is a process combining high voltage silicon with submicron CMOS and complementary bipolar technologies. It enables the development of a wide range of high performance analog ICs capable of 33 V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike analog ICs using conventional CMOS processes, _i_CMOS components can accept bipolar input signals while providing increased performance, dramatically reduced power consumption, and reduced package size.
The AD7328 can accept true bipolar analog input signals. The AD7328 has four software-selectable input ranges, ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V. Each analog input channel can be independently programmed to one of the four input ranges. The analog input channels on the AD7328 can be programmed to be single-ended, true differential, or pseudo differential.
The ADC contains a 2.5 V internal reference. The AD7328 also allows for external reference operation. If a 3 V reference is applied to the REFIN/OUT pin, the AD7328 can accept a true bipolar ±12 V analog input. Minimum ±12 V VDD and VSS supplies are required for the ±12 V input range. The ADC has a high speed serial interface that can operate at throughput rates up to 1 MSPS.
**Product Highlights**
1. The AD7328 can accept true bipolar analog input signals, ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V unipolar signals
2. The eight analog inputs can be configured as eight single-ended inputs, four true differential input pairs, four pseudo differential inputs, or seven pseudo differential inputs
3. 1 MSPS serial interface. SPI®-/QSPI™-/DSP-/MICROWIRE™-compatible interface
4. Low power, 30 mW, at a maximum throughput rate of 1 MSPS
5. Channel sequencer
### Features and Benefits
12-Bit plus Sign SAR ADC
True Bipolar Input Ranges
Software Selectable Input Ranges: ± 10V, ± 5V, ± 2.5V, 0 to 10V
Eight Analog Input Channels with Channel Sequencer
Single Ended, True Differential and Pseudo Differential Analog Input Capability
High Analog Input Impedance
Low Power: 26 mW
Full Power Signal Bandwidth: >13 MHz
Internal 2.5 V Reference
High Speed Serial Interface - 1 MSPS Throughput
For four and two channel equivalent devices, see AD7324, AD7322

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