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AD7933BRUZ-REEL7

更新时间： 2024-11-27 12:32:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器光电二极管
页数	文件大小	规格书
32页	768K
描述
4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer

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替代型号

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AD7933BRUZ-REEL7 数据手册

4-Channel, 1.5 MSPS, 10-Bit and 12-Bit

Parallel ADCs with a Sequencer

AD7933/AD7934

FUNCTIONAL BLOCK DIAGRAM

FEATURES

AGND

Throughput rate: 1.5 MSPS

Specified for V_DDof 2.7 V to 5.25 V

Low power

AD7933/AD7934

REFIN/

REFOUT

2.5V

6 mW maximum at 1.5 MSPS with 3 V supplies

13.5 mW maximum at 1.5 MSPS with 5 V supplies

4 analog input channels with a sequencer

Software configurable analog inputs

4-channel single-ended inputs

VREF

CLKIN

CONVST

BUSY

12-/10-BIT

SAR ADC

AND

I/P

MUX

T/H

CONTROL

2-channel fully differential inputs

2-channel pseudo differential inputs

Accurate on-chip 2.5 V reference

0.2ꢀ maximum @ 25°C, 25 ppm/°C maximum (AD7934)

70 dB SINAD at 50 kHz input frequency

No pipeline delays

SEQUENCER

PARALLEL INTERFACE/CONTROL REGISTER

DRIVE

High speed parallel interface—word/byte modes

Full shutdown mode: 2 μA maximum

28-lead TSSOP package

DB0 DB11

CS RD WR W/B

DGND

Figure 1.

GENERAL DESCRIPTION

The AD7933/AD7934 are 10-bit and 12-bit, high speed, low

power, successive approximation (SAR) analog-to-digital

converters (ADCs). The parts operate from a single 2.7 V to

5.25 V power supply and feature throughput rates up to 1.5 MSPS.

The parts contain a low noise, wide bandwidth, differential track-

and-hold amplifier that handles input frequencies up to 50 MHz.

These parts use advanced design techniques to achieve very low

power dissipation at high throughput rates. They also feature

flexible power management options. An on-chip control

including analog input range and configuration, output coding,

power management, and channel sequencing.

PRODUCT HIGHLIGHTS

The AD7933/AD7934 feature four analog input channels with a

channel sequencer that allows a preprogrammed selection of

channels to be sequentially converted. These parts can accept

either single-ended, fully differential, or pseudo differential

analog inputs.

1. High throughput with low power consumption.

2. Four analog inputs with a channel sequencer.

3. Accurate on-chip 2.5 V reference.

4. Single-ended, pseudo differential or fully differential

analog inputs that are software selectable.

5. Single-supply operation with V_DRIVEfunction.

The V_DRIVEfunction allows the parallel interface to connect

directly to 3 V or 5 V processor systems independent of V_DD

6. No pipeline delay.

The conversion process and data acquisition are controlled

using standard control inputs that allow for easy interfacing to

microprocessors and DSPs. The input signal is sampled on the

CONVST

falling edge of

this point.

, and the conversion is also initiated at

CONVST

7. Accurate control of the sampling instant via a

input and once-off conversion control.

The AD7933/AD7934 has an accurate on-chip 2.5 V reference

that is used as the reference source for the analog-to-digital

conversion. Alternatively, this pin can be overdriven to provide

an external reference.

Table 1. Related Devices

Device

No. of Bits

12/10

No. of Channels

Speed

AD7938/AD7939

AD7938-6

1.5 MSPS

625 kSPS

AD7934-6

Rev. B

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

12 3 4 5 6 7...32

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AD7933BRUZ-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7933BRUZ	ADI	完全替代	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRU-REEL7	ADI	完全替代	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933BRU-REEL	ADI	完全替代	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer

与AD7933BRUZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7934	ADI	获取价格	4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer
AD7934_15	ADI	获取价格	4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7934-6	ADI	获取价格	4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer
AD7934-6_17	ADI	获取价格	4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer
AD7934-6BRU	ADI	获取价格	IC 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, TSSOP-28, Analog to
AD7934BRU	ADI	获取价格	4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer
AD7934BRU	ROCHESTER	获取价格	4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, MO-153-AE, TSSOP-28
AD7934BRU-6	ADI	获取价格	4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer
AD7934BRU-6REEL	ADI	获取价格	4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer
AD7934BRU-6REEL7	ADI	获取价格	4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer

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