AD7657BSTZ ,Analog to Digital, ADC IC - ADI

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

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177 points

Part No

AD7657BSTZ
Manufacturer

ADI
ChipWorker Part#

CW1026121
Category

Analog to Digital, ADC IC
Package

LQFP-64
Description

ANALOG DEVICES AD7657BSTZ Analog to Digital Converter, 14Bit, 250KSPS, 5V, 16.5V, LQFP
Documentation

Datasheet
Ships from

Moscow
Наличие

203063 pcs In Stock
Estimated Price

$ 1

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AD7657BSTZ Specifications

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Attribute	Attribute Value

Part Number	AD7657BSTZ
Manufacturer	ADI
ChipWorker Part#	CW1026121
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	64 Pin
Case/Package	LQFP-64
Digital Logic Level	SAR
Supply Voltage (DC)	5.00V (min)
Supply Current	26 mA
Number of Circuits	6 Circuit
Number of Channels	6 Channel
Number of Bits	14 Bit
Power Dissipation	143 W
Sample Rate	250 ksps
Resolution (Bits)	14.0 Bit
Number of ADCs	6 ADC
Number of Inputs	6 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	143 mW
Number of Input Channels	6 Channel
Supply Voltage (Max)	15 V
Supply Voltage (Min)	5 V
	expand all
Size-Height	1.4 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

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Product Description

Product Details
The AD7656/AD7657/AD7658 contain six 16-/14-/12-bit, fast, low power, successive approximation ADCs all in the one package that is designed on the _i_CMOS™ process (industrial CMOS). _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, which dramatically reduces power consumption and package size.
The AD7656/AD7657/AD7658 feature throughput rates up to 250 kSPS. The parts contain low noise, wide bandwidth, track-and-hold amplifiers that can handle input frequencies up to 12 MHz.
The conversion process and data acquisition are controlled using CONVST signals and an internal oscillator. Three CONVST pins allow independent, simultaneous sampling of the three ADC pairs. The AD7656/AD7657/AD7658 all have a high speed parallel and serial interface, allowing the devices to interface with microprocessors or DSPs. In serial interface mode, the parts have a daisy-chain feature that allows multiple ADCs to connect to a single serial interface. The AD7656/ AD7657/AD7658 can accommodate true bipolar input signals in the ±4 × VREF range and ±2 × VREF range. The AD7656/ AD7657/AD7658 also contain an on-chip 2.5 V reference.
For reduced decoupling requirements visit the AD7657-1 product page
Product Highlights
1. Six 16-/14-/12-bit, 250 kSPS ADCs on board.
2. Six true bipolar, high impedance analog inputs.
3. Parallel and high speed serial interfaces.
**Applications**
Power line monitoring systems
Instrumentation and control systems
Multi-axis positioning systems
### Features and Benefits
6 independent ADCs
True bipolar analog inputs
Pin-/software-selectable ranges: ±10 V, ±5 V
Fast throughput rate: 250 kSPS
iCMOS process technology
Low power
140 mW at 250 kSPS with 5 V supplies
Wide input bandwidth 86.5 dB SNR at 50 kHz input frequency
On-chip reference and reference buffers
Parallel, serial, and daisy-chain interface modes
High speed serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible
Standby mode: 100 µW maximum
64-lead LQFP

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