Datasheet > AD7298-1_17

AD7298-1_17

更新时间： 2024-02-06 04:50:32

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
25页	764K
描述
8-Channel, 1 MSPS, 10-Bit SAR ADC

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AD7298-1_17 数据手册

8-Channel, 1 MSPS, 10-Bit SAR ADC

AD7298-1

FUNCTIONAL BLOCK DIAGRAM

FEATURES

GND

10-bit SAR ADC

8 single-ended inputs

REF

Channel sequencer functionality

Fast throughput of 1 MSPS

Analog input range: 0 V to 2.5 V

Temperature range: −40°C to +125°C

Specified for V_DDof 2.8 V to 3.6 V

Logic voltage V_DRIVE= 1.65 V to 3.6 V

Power-down current: <10 µA

Internal 2.5 V reference

REF

BUF

10-BIT

IN0

IN7

SUCCESSIVE

APPROXIMATION

ADC

T/H

INPUT

MUX

AD7298-1

SEQUENCER

Internal power-on reset

High speed serial interface SPI

20-lead LFCSP

SCLK

DOUT

DIN

CONTROL

LOGIC

DRIVE

PD/RST

Figure 1.

GENERAL DESCRIPTION

The AD7298-1 is a 10-bit, high speed, low power, 8-channel,

successive approximation ADC. The part operates from a single

3.3 V power supply and features throughput rates up to 1 MSPS.

The device contains a low noise, wide bandwidth track-and-hold

amplifier that can handle input frequencies in excess of 30 MHz.

PRODUCT HIGHLIGHTS

1. Ideally Suited to Monitoring System Variables in a Variety

of Systems. This includes telecommunications, and process

and industrial control.

2. High Throughput Rate of 1 MSPS with Low Power

Consumption.

3. Eight Single-Ended Inputs with a Channel Sequencer. A

consecutive sequence of channels can be selected on which

the ADC cycles and converts.

The AD7298-1 offers a programmable sequencer, which enables

the selection of a preprogrammable sequence of channels for

conversion. The device has an on-chip, 2.5 V reference that can

be disabled to allow the use of an external reference.

The device offers a 4-wire serial interface compatible with SPI and

DSP interface standards.

The AD7298-1 uses advanced design techniques to achieve very

low power dissipation at high throughput rates. The part also

offers flexible power/throughput rate management options. The

part is offered in a 20-lead LFCSP package.

Rev. A

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.

Tel: 781.329.4700

www.analog.com

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AD7298-1BCPZ	ADI	获取价格	8-Channel, 1 MSPS, 10-Bit SAR ADC
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AD7302BN	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2us SETTLING TIME, 8-BIT DAC, PDIP20, PLASTIC, DIP-20
AD7302BN	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BNZ	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BNZ	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDIP20, PLASTIC, DIP-20
AD7302BR	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC

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