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XRD54L12 Datasheet Preview

XRD54L12 Datasheet

Serial 8/10/12-Bit DAC

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FEATURES
D 8/10/12-Bit Resolution
D Operates from a Single 3V Supply
D Buffered Voltage Output: 13ms Typical Settling Time
D 145mW Total Power Consumption (typ)
D Guaranteed Monotonic Over Temperature
D Flexible Output Range: 0V to VDD
D 8 Lead SOIC and PDIP Package
D Power On Reset
D Serial Data Output for Daisy Chaining
XRD54L08/L10/L12
3V, Low Power, Voltage Output
Serial 8/10/12-Bit DAC Family
APPLICATIONS
D Digital Calibration
D Battery Operated Instruments
D Remote Industrial Devices
D Cellular Telephones
D Motion Control
D VXCO Control
D Comparator Level Setting
May 2000-2
GENERAL DESCRIPTION
The XRD54L08/L10/L12 are low power, voltage output
digital-to-analog converters (DAC) for +3V power supply
operation. The parts draw only 50mA of quiescent current
and are available in both an 8-lead PDIP and SOIC
package.
The XRD54L08/L10/L12 have a 3 wire serial port with an
output allowing the user to daisy chain several of them
together. The serial port will support both Microwiret,
SPIt, and QSPIt standards.
The outputs of the XRD54L08/L10/L12 are set at a gain of
+2. The output short circuit current is 7mA typical.
ORDERING INFORMATION
Part No.
XRD54L08AID
XRD54L08AIP
XRD54L10AID
XRD54L10AIP
XRD54L12AID
XRD54L12AIP
Package
8 Lead 150 Mil JEDEC SOIC
8 Lead 300 Mil PDIP
8 Lead 150 Mil JEDEC SOIC
8 Lead 300 Mil PDIP
8 Lead 150 Mil JEDEC SOIC
8 Lead 300 Mil PDIP
Operating
Temperature Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Rev. 1.30
E2000
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z (510) 668-7017




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XRD54L12 Datasheet Preview

XRD54L12 Datasheet

Serial 8/10/12-Bit DAC

No Preview Available !

XRD54L08/L10/L12
BLOCK DIAGRAM
VREFIN
AGND
CS
SCLK
SDIN
2n Switch
Matrix
R
+
-
VOUT
R
VDD VDD
Shift Register
DOUT
Power On
Reset
Figure 1. Block Diagram
PIN CONFIGURATION
SDIN
SCLK
CS
DOUT
1
2
3
4
8 VDD
7 VOUT
6 VREFIN
5 AGND
8 Lead SOIC (Jedec, 0.150”)
SDIN
SCLK
CS
DOUT
1
2
3
4
8 VDD
7 VOUT
6 VREFIN
5 AGND
8 Lead PDIP (0.300”)
PIN DESCRIPTION
Pin #
1
2
3
4
5
6
7
8
Symbol
SDIN
SCLK
CS
DOUT
AGND
VREFIN
VOUT
VDD
Rev. 1.30
Description
Serial Data Input
Serial Data Clock
Chip Select (Active High)
Serial Data Output
Analog Ground
Voltage Reference Input
DAC Output
Supply Voltage
2


Part Number XRD54L12
Description Serial 8/10/12-Bit DAC
Maker Exar
Total Page 16 Pages
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