Datasheet > AD7928WYRUZ-REEL7

AD7928WYRUZ-REEL7

更新时间： 2024-09-27 12:32:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	456K
描述
8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs

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AD7928WYRUZ-REEL7 数据手册

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8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs

with Sequencer in 20-Lead TSSOP

AD7908/AD7918/AD7928

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Fast throughput rate: 1 MSPS

Specified for AV_DDof 2.7 V to 5.25 V

Low power

6.0 mW max at 1 MSPS with 3 V supply

13.5 mW max at 1 MSPS with 5 V supply

Eight (single-ended) inputs with sequencer

Wide input bandwidth

AD7928, 70 dB min SINAD at 50 kHz input frequency

Flexible power/serial clock speed management

No pipeline delays

REF

T/H

•

8-/10-/12-BIT

SUCCESSIVE

APPROXIMATION

ADC

I/P

MUX

High speed serial interface SPI®/QSPI™/

MICROWIRE™/DSP compatible

Shutdown mode: 0.5 μA max

SCLK

DOUT

DIN

CONTROL LOGIC

SEQUENCER

20-lead TSSOP package

Qualified for automotive applications

AD7908/AD7918/AD7928

DRIVE

GENERAL DESCRIPTION

GND

The AD7908/AD7918/AD7928 are, respectively, 8-bit, 10-bit, and

12-bit, high speed, low power, 8-channel, successive approximation

ADCs. The parts operate from a single 2.7 V to 5.25 V power

supply and feature throughput rates up to 1 MSPS. The parts

contain a low noise, wide bandwidth track-and-hold amplifier that

can handle input frequencies in excess of 8 MHz.

Figure 1.

PRODUCT HIGHLIGHTS

1. High Throughput with Low Power Consumption. The AD7908/

AD7918/AD7928 offer up to 1 MSPS throughput rates. At the

maximum throughput rate with 3 V supplies, the AD7908/

AD7918/AD7928 dissipate just 6 mW of power maximum.

The conversion process and data acquisition are controlled using

and the serial clock signal, allowing the device to easily interface

with microprocessors or DSPs. The input signal is sampled on the

2. Eight Single-Ended Inputs with a Channel Sequencer.

A sequence of channels can be selected, through which

the ADC cycles and converts on.

falling edge of

and conversion is also initiated at this point.

There are no pipeline delays associated with the part.

3. Single-Supply Operation with V_DRIVEFunction. The AD7908/

AD7918/AD7928 operate from a single 2.7 V to 5.25 V supply.

The V_DRIVEfunction allows the serial interface to connect directly

The AD7908/AD7918/AD7928 use advanced design techniques to

achieve very low power dissipation at maximum throughput rates.

At maximum throughput rates, the AD7908/AD7918/AD7928

consume 2 mA maximum with 3 V supplies; with 5 V supplies, the

current consumption is 2.7 mA maximum.

to either 3 V or 5 V processor systems independent of AV_DD

4. Flexible Power/Serial Clock Speed Management. The conversion

rate is determined by the serial clock, allowing the conversion

time to be reduced through the serial clock speed increase. The

parts also feature various shutdown modes to maximize power

efficiency at lower throughput rates. Current consumption is

0.5 μA max when in full shutdown.

Through the configuration of the control register, the analog input

range for the part can be selected as 0 V to REF_INor 0 V to 2 ×

REF_IN, with either straight binary or twos complement output

coding. The AD7908/AD7918/AD7928 each feature eight single-

ended analog inputs with a channel sequencer to allow a

5. No Pipeline Delay. The parts feature a standard successive

approximation ADC with accurate control of the sampling

preprogrammed selection of channels to be converted sequentially.

The conversion time for the AD7908/AD7918/AD7928 is

determined by the SCLK frequency, which is also used as the

master clock to control the conversion.

instant via a input and once off conversion control.

Rev. D

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

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与AD7928WYRUZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7933	ADI	获取价格	4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer
AD7933_15	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRU	ROCHESTER	获取价格	4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, MO-153-AE, TSSOP-28
AD7933BRU	ADI	获取价格	4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer
AD7933BRU-REEL	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRU-REEL7	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRU-REEL7	ROCHESTER	获取价格	4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, MO-153-AE, TSSOP-28
AD7933BRUZ	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRUZ	ROCHESTER	获取价格	4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, LEAD FREE, MO-153-AE, T
AD7933BRUZ-REEL7	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer

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