AD7880CR-REEL

更新时间： 2024-11-27 13:05:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	339K
描述
IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24, SOIC-24, Analog to Digital Converter

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AD7880CR-REEL 数据手册

LC MOS Single +5 V Supply,

Low Power, 12-Bit Sampling ADC

AD7880

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

12-Bit Monolithic A/ D Converter

66 kHz Throughput Rate

12 ␮s Conversion Tim e

V_DD

3 ␮s On-Chip Track/ Hold Am plifier

Low Pow er

Pow er Save Mode: 2 m W typ

Norm al Operation: 25 m W typ

70 dB SNR

SAMPLING

COMPARATOR

LOW POWER

CONTROL

CIRCUIT

MODE

INA

–

INB

V_REF

12-BIT DAC

Fast Data Access Tim e: 57 ns

Sm all 24-Lead SOIC and 0.3" DIP Packages

AGND

SAR +

COUNTER

APPLICATIONS

CLKIN

CONTROL

LOGIC

Battery Pow ered Portable System s

Digital Signal Processing

Speech Recognition and Synthesis

High Speed Modem s

CONVST

THREE

STATE

BUFFERS

BUSY

AD7880

Control and Instrum entation

DB11 DB0

DGND

GENERAL D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD7880 is a high speed, low power, 12-bit A/D converter

which operates from a single +5 V supply. It consists of a 3 µs

track/hold amplifier, a 12 µs successive-approximation ADC,

versatile interface logic and a multiple-input-range circuit. T he

part also includes a power save feature.

1. Fast Conversion T ime.

12 µs conversion time and 3 µs acquisition time allow for

large input signal bandwidth. T his performance is ideally

suited for applications in areas such as telecommunications,

audio, sonar and radar signal processing.

An internal resistor network allows the part to accept both uni-

polar and bipolar input signals while operating from a single

+5 V supply. Fast bus access times and standard control inputs

ensure easy interfacing to modern microprocessors and digital

signal processors.

2. Low Power Consumption.

2 mW power consumption in the power-down mode makes

the part ideally suited for portable, hand held, battery pow-

ered applications.

3. Multiple Input Ranges.

T he AD7880 features a total throughput time of 15 µs and can

convert full power signals up to 33 kHz with a sampling fre-

quency of 66 kHz.

T he part features three user-determined input ranges, 0 V to

+5 V, 0 V to 10 V and ±5 V. T hese unipolar and bipolar

ranges are achieved with a 5 V only power supply.

In addition to the traditional dc accuracy specifications such as

linearity, full-scale and offset errors, the AD7880 is also fully

specified for dynamic performance parameters including har-

monic distortion and signal-to-noise ratio.

T he AD7880 is fabricated in Analog Devices’ Linear Compat-

ible CMOS (LC²MOS) process, a mixed technology process

that combines precision bipolar circuits with low power CMOS

logic. T he part is available in a 24-pin, 0.3 inch-wide, plastic or

hermetic dual-in-line package (DIP) as well as a small 24-lead

SOIC package.

REV. 0

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...16

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AD7880CR-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7880CRZ	ADI	完全替代	LC2MOS Single 5 V Supply, Low Power, 12-Bit Sampling ADC
AD7880BRZ	ADI	完全替代	LC2MOS Single 5 V Supply, Low Power, 12-Bit Sampling ADC

与AD7880CR-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7880CRZ	ADI	获取价格	LC2MOS Single 5 V Supply, Low Power, 12-Bit Sampling ADC
AD7880CRZ-REEL	ADI	获取价格	CMOS, Single +5 V Supply, Low Power, 12-Bit Sampling ADC
AD7882AS	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7882BS	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7882SQ	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7882SX	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7882TQ	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7882TX	ETC	获取价格	Analog-to-Digital Converter， 16-Bit
AD7883	ADI	获取价格	LC2MOS 12-Bit, 3.3 V Sampling ADC
AD7883BN	ADI	获取价格	LC2MOS 12-Bit, 3.3 V Sampling ADC

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