AD7810

更新时间： 2024-11-28 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
11页	146K
描述
2.7 V to 5.5 V, 2 us, 10-Bit ADC in 8-Lead microSOIC/DIP

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AD7810 数据手册

2.7 V to 5.5 V, 2 ␮s, 10-Bit

ADC in 8-Lead microSOIC/DIP

AD7810

FUNCTIONAL BLOCK DIAGRAM

FEATURES

10-Bit ADC with 2 ␮s Conversion Time

Small Footprint 8-Lead microSOIC Package

Specified Over a –40؇C to +105؇C Temperature Range

Inherent Track-and-Hold Functionality

Operating Supply Range: 2.7 V to 5.5 V

Specifications at 2.7 V to 5.5 V

Microcontroller-Compatible Serial Interface

Optional Automatic Power-Down

at End of Conversion

AGND

REF

AD7810

CHARGE

REDISTRIBUTION

DAC

OUT

SERIAL

PORT

SCLK

CLOCK

OSC

–

CONTROL

LOGIC

COMP

Low Power Operation

270 ␮W at 10 kSPS Throughput Rate

2.7 mW at 100 kSPS Throughput Rate

Analog Input Range: 0 V to V_REF

Reference Input Range: 0 V to V_DD

CONVST

APPLICATIONS

Low Power, Hand-Held Portable Applications that

Require Analog-to-Digital Conversion with 10-Bit

Accuracy; e.g., Battery Powered Test Equipment,

Battery Powered Communications Systems

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

1. Complete, 10-Bit ADC in 8-Lead Package

The AD7810 is a high speed, low power, 10-bit A/D con-

verter that operates from a single 2.7 V to 5.5 V supply. The

part contains a 2 µs successive approximation A/D converter,

with inherent track/hold functionality, a pseudo differential

input and a high speed serial interface that interfaces to most

microcontrollers. The AD7810 is fully specified over a tem-

perature range of –40°C to +105°C.

The AD7810 is a 10-bit 2 µs ADC with inherent track/hold

functionality and a high speed serial interface—all in an

8-lead microSOIC package. V_REFmay be connected to V_DD

to eliminate the need for an external reference. The result is

a high speed, low power, space saving ADC solution.

2. Low Power, Single Supply Operation

By using a technique that samples the state of the CONVST

(convert start) signal at the end of a conversion, the AD7810

may be used in an automatic power-down mode. When used in

this mode, the AD7810 automatically powers down at the end

of a conversion and “wakes up” at the start of a new conversion.

This feature significantly reduces the power consumption of the

part at lower throughput rates. The AD7810 can also operate in

a high speed mode where the part is not powered down between

conversions. In this high speed mode of operation, the conver-

sion time of the AD7810 is 2 µs. The maximum throughput rate

is dependent on the speed of the serial interface of the micro-

controller.

The AD7810 operates from a single +2.7 V to +5.5 V supply

and typically consumes only 9 mW of power while convert-

ing. The power dissipation can be significantly reduced at

lower throughput rates by using the automatic power-down

mode, e.g., at a throughput rate of 10 kSPS the power

consumption is only 270 µW.

3. Automatic Power-Down

The automatic power-down mode, whereby the AD7810

powers down at the end of a conversion and “wakes up”

before the next conversion, means the AD7810 is ideal for

battery powered applications. See Power vs. Throughput

Rate section.

The part is available in a small 8-lead, 0.3" wide, plastic dual-

in-line package (mini-DIP); in an 8-lead, small outline IC

(SOIC); and in an 8-lead microSOIC package.

4. Serial Interface

An easy to use, fast serial interface allows connection to most

popular microprocessors with no external circuitry.

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 rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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与AD7810相关器件

型号	品牌	获取价格	描述	数据表
AD7810YN	ADI	获取价格	2.7 V to 5.5 V, 2 us, 10-Bit ADC in 8-Lead microSOIC/DIP
AD7810YN	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, 0.300 INCH, MINI, PLASTIC,
AD7810YNZ	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, 0.300 INCH, MINI, PLASTIC,
AD7810YR	ADI	获取价格	2.7 V to 5.5 V, 2 us, 10-Bit ADC in 8-Lead microSOIC/DIP
AD7810YR	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, SOIC-8
AD7810YRM	ADI	获取价格	2.7 V to 5.5 V, 2 us, 10-Bit ADC in 8-Lead microSOIC/DIP
AD7810YRM-REEL	ADI	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8, Analog t
AD7810YRM-REEL7	ADI	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8, Analog t
AD7810YRM-REEL7	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8
AD7810YRMZ	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8

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