AD5590

更新时间： 2024-09-17 06:36:11

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
44页	980K
描述
16 Input, 16 Output Analog I/O Port with Integrated Amplifiers

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数据手册

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AD5590 数据手册

16 Input, 16 Output Analog I/O Port

with Integrated Amplifiers

AD5590

Offset voltage: 2.2 mV maximum

Low input bias current: 1 pA maximum

Single supply operation

Low noise: 22 nV/√Hz

Unity gain stable

Flexible serial interface

SPI-/QSPI-/MICROWIRE-/DSP-compatible

−40°C to +85°C operation

FEATURES

Input channels

12-bit successive approximation ADC

16 inputs with sequencer

Fast throughput rate: 1 MSPS

Wide input bandwidth: 70 dB SNR at f_IN= 50 kHz

Output channels

16 outputs with 12-bit DACs

On-chip 2.5 V reference

APPLICATIONS

Hardware LDAC and LDAC override function

CLR function to programmable code

Rail-to-rail operation

Optical line cards

Base stations

General-purpose analog I/O

Monitoring and control

Operational amplifiers

FUNCTIONAL BLOCK DIAGRAM

REFIN1/VREFOUT1

V1– V2–

ADCV^DDDACVDD (×2)

V1+ V2+

POWER-ON

RESET

POWER-DOWN

LOGIC

1.25V/2.5V

REF

LDAC

BUFFER

DAC

STRING

DAC 0

INPUT

VOUT0

VOUT7

DSCLK

DSYNC1

DSYNC2

DDIN

BUFFER

DAC

STRING

DAC 7

INPUT

DAC

INTERFACE

LOGIC

LDAC

BUFFER

CLR

DAC

STRING

DAC 8

INPUT

VOUT8

DAC

STRING

DAC 15

INPUT

VOUT15

POWER-DOWN

LOGIC

1.25V/2.5V

REF

VDRIVE

REFIN2/VREFOUT2

VIN0

ASCLK

ASYNC

SEQUENCER

ADC

INTERFACE

LOGIC

12-BIT

INPUT

MUX

SUCCESSIVE

APPROXIMATION

ADC

ADIN

T/H

ADOUT

VINI5

AD5590

REFA

IN7(–) IN7(+)

OUT7

IN0(–) IN0(+)

OUT0

DACGND (×2)

ADCGND

Figure 1.

Rev. 0

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

Fax: 781.461.3113

www.analog.com

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