AD5590 datasheet(1/45 Pages) AD

Numer części	AD5590

Szczegółowy opis	16 Input, 16 Output Analog I/O Port with Integrated Amplifiers

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16 Input, 16 Output Analog I/O Port

with Integrated Amplifiers

AD5590

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother

rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.

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

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

FEATURES

Input channels

12-bit successive approximation ADC

16 inputs with sequencer

Fast throughput rate: 1 MSPS

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

Output channels

16 outputs with 12-bit DACs

On-chip 2.5 V reference

Hardware LDAC and LDAC override function

CLR function to programmable code

Rail-to-rail operation

Operational amplifiers

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

Available in 80-ball CSP_BGA package

APPLICATIONS

Optical line cards

Base stations

General-purpose analog I/O

Monitoring and control

FUNCTIONAL BLOCK DIAGRAM

INPUT

REGISTER

DDIN

LDAC

VOUT7

ADCVDD

LDAC

VREFIN1/VREFOUT1

DSYNC1

DSCLK

AD5590

CLR

2.5V REF

VOUT0

DAC

REGISTER

STRING

DAC 0

BUFFER

INPUT

REGISTER

DAC

REGISTER

STRING

DAC 7

BUFFER

POWER-DOWN

LOGIC

POWER-ON

RESET

DAC

INTERFACE

LOGIC

IN0(–) IN0(+)

OUT0

IN7(–) IN7(+)

OUT7

VIN0

VIN15

INPUT

MUX

T/H

ASCLK

ASYNC

SEQUENCER

VREFA

VDRIVE

DACGND (×2)

DSYNC2

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

INTERFACE

LOGIC

ADIN

ADOUT

INPUT

REGISTER

VOUT15

VOUT8

DAC

REGISTER

STRING

DAC 8

BUFFER

INPUT

REGISTER

DAC

REGISTER

STRING

DAC 15

BUFFER

VREFIN2/VREFOUT2

POWER-DOWN

LOGIC

2.5V REF

DACVDD (×2)

ADCGND

V1+ V2+ V1– V2–

Figure 1.

Podobny numer części - AD5590

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