Datasheet > AD7924BRU-REEL7

AD7924BRU-REEL7

更新时间： 2024-11-27 12:55:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	525K
描述
4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP

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AD7924BRU-REEL7 数据手册

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

with Sequencer in 16-Lead TSSOP

Data Sheet

AD7904/AD7914/AD7924

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Fast throughput rate: 1 MSPS

Specified for AV_DDof 2.7 V to 5.25 V

Low power:

6 mW maximum at 1 MSPS with 3 V supplies

13.5 mW maximum at 1 MSPS with 5 V supplies

4 single-ended inputs with sequencer

Wide input bandwidth

AD7924, 70 dB SNR 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

SCLK

DOUT

DIN

High speed serial interface: SPI/QSPI™/

MICROWIRE™/DSP compatible

Shutdown mode: 0.5 µA maximum

16-lead TSSOP package

SEQUENCER

CONTROL LOGIC

AD7904/AD7914/AD7924

Qualified for automotive applications

DRIVE

AGND

Figure 1.

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7904/AD7914/AD7924 are, respectively, 8-bit, 10-bit, and

12-bit, high speed, low power, 4-channel successive approxi-

mation 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.

1. High Throughput with Low Power Consumption.

The AD7904/AD7914/AD7924 offer throughput rates

up to 1 MSPS. At the maximum throughput rate with 3 V

supplies, the AD7904/AD7914/AD7924 dissipate only

6 mW of power maximum.

2. Four Single-Ended Inputs with Channel Sequencer.

A consecutive sequence of channels can be selected,

through which the ADC will cycle and convert on.

3. Single-Supply Operation with V_DRIVEFunction.

The AD7904/AD7914/AD7924 operate from a single 2.7 V

to 5.25 V supply. The V_DRIVEfunction allows the serial inter-

face to connect directly to 3 V or 5 V processor systems,

The conversion process and data acquisition are controlled using

and the serial clock signal, allowing the device to easily inter-

face with microprocessors or DSPs. The input signal is sampled

on the falling edge of

and conversion is initiated at this

point. There are no pipeline delays associated with the part.

The AD7904/AD7914/AD7924 use advanced design techniques

to achieve very low power dissipation at maximum throughput

rates. At maximum throughput rates, the AD7904/AD7914/

AD7924 consume 2 mA maximum with 3 V supplies; with 5 V

supplies, the current consumption is 2.7 mA maximum.

independent of V_DD

4. Flexible Power/Serial Clock Speed Management.

The conversion rate is determined by the serial clock,

allowing the conversion time to be reduced by increasing

the serial clock speed. The parts also feature two shutdown

modes to maximize power efficiency at lower throughput

rates. Current consumption is 0.5 µA maximum 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 AD7904/AD7914/AD7924 each feature four single-

ended analog inputs with a channel sequencer to allow a pre-

programmed selection of channels to be converted sequentially.

5. No Pipeline Delay.

The parts feature a standard successive approximation

ADC with accurate control of the sampling instant via

the

input and once-off conversion control.

The conversion time for the AD7904/AD7914/AD7924 is

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

master clock to control the conversion.

Rev. C

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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AD7924BRU-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7924BRUZ-REEL7	ADI	完全替代	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7924BRUZ	ADI	完全替代	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7924BRU	ADI	完全替代	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP

与AD7924BRU-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7924BRUZ	ADI	获取价格	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7924BRUZ	ROCHESTER	获取价格	4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, ROHS COMPLIANT, MO-153AB,
AD7924BRUZ-REEL	ADI	获取价格	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7924BRUZ-REEL	ROCHESTER	获取价格	4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, ROHS COMPLIANT, MO-153AB,
AD7924BRUZ-REEL7	ADI	获取价格	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7924WYRUZ-REEL7	ADI	获取价格	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7927	ADI	获取价格	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
AD7927BRU	ADI	获取价格	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
AD7927BRU	ROCHESTER	获取价格	8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20, MO-153AC, TSSOP-20
AD7927BRU-REEL	ADI	获取价格	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP

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