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Analog Devices - 16 Output Analog I/O Port

Numéro de référence AD5590
Description 16 Output Analog I/O Port
Fabricant Analog Devices 
Logo Analog Devices 





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AD5590 fiche technique
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
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
APPLICATIONS
Optical line cards
Base stations
General-purpose analog I/O
Monitoring and control
FUNCTIONAL BLOCK DIAGRAM
ADCVDD DACVDD (×2)
V1+ V2+ V1– V2– VREFIN1/VREFOUT1
DSCLK
DSYNC1
DSYNC2
DDIN
LDAC
CLR
POWER-ON
RESET
DAC
INTERFACE
LOGIC
LDAC
INPUT
REGISTER
DAC
REGISTER
POWER-DOWN
1.25V/2.5V
LOGIC
REF
STRING
DAC 0
BUFFER
VOUT0
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 7
BUFFER
VOUT7
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 8
BUFFER
VOUT8
VDRIVE
ASCLK
ASYNC
ADIN
ADOUT
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 15
ADC
INTERFACE
LOGIC
1.25V/2.5V
REF
SEQUENCER
12-BIT
SUCCESSIVE
APPROXIMATION
ADC
IN0(–) IN0(+)
OUT0 IN7(–) IN7(+)
OUT7 DACGND (×2)
Figure 1.
BUFFER
VOUT15
POWER-DOWN
LOGIC
VREFIN2/VREFOUT2
VIN0
T/H
INPUT
MUX
AD5590
ADCGND
VINI5
VREFA
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.
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
©2008 Analog Devices, Inc. All rights reserved.

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