MAX531 Maxim, MAX531 Datasheet
MAX531
Manufacturer Part Number
MAX531
Description
+5V / Low-Power / Voltage-Output / Serial 12-Bit DACs
Manufacturer
Maxim
Datasheet
1.MAX531.pdf
(16 pages)
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The MAX531/MAX538/MAX539 are low-power, voltage-
output, 12-bit digital-to-analog converters (DACs) speci-
fied for single +5V power-supply operation. The MAX531
can also be operated with ±5V supplies. The
MAX538/MAX539 draw only 140µA, and the MAX531
(with internal reference) draws only 260µA. The
MAX538/MAX539 come in 8-pin DIP and SO packages,
while the MAX531 comes in 14-pin DIP and SO pack-
ages. All parts have been trimmed for offset voltage,
gain, and linearity, so no further adjustment is necessary.
The MAX538’s buffer is fixed at a gain of +1 and the
MAX539’s buffer at a gain of +2. The MAX531’s internal
op amp may be configured for a gain of +1 or +2, as
well as for unipolar or bipolar output voltages. The
MAX531 can also be used as a four-quadrant multiplier
without external resistors or op amps.
For parallel data inputs, see the MAX530 data sheet.
19-0172; Rev 6; 2/97
________________Functional Diagram
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
_______________General Description
_______________________Applications
(MAX531
ONLY)
AGND
SCLK
CLR
DIN
CS
Battery-Powered Test Instruments
Digital Offset and Gain Adjustment
Battery-Operated/Remote Industrial Controls
Machine and Motion Control Devices
Cellular Telephones
POWER-UP
(MAX531 ONLY)
CONTROL
(MAX531 ONLY)
REFERENCE
RESET
LOGIC
REFOUT
2.048V
________________________________________________________________ Maxim Integrated Products
(LSB)
REFIN
SHIFT REGISTER
DAC REGISTER
(12 BITS)
DAC
(12 BITS)
MAX531
MAX538
MAX539
(MAX531 ONLY)
(MSB)
BIPOFF
+5V, Low-Power, Voltage-Output,
BITS
4
RFB
(MAX531
ONLY)
VOUT
V
DGND
(MAX531
ONLY)
V
(MAX531
ONLY)
DOUT
DD
SS
Ordering Information continued at end of data sheet.
*Dice are specified at T
_________________Pin Configurations
______________Ordering Information
___________________________Features
MAX531ACPD
MAX531BCPD
MAX531ACSD
MAX531BCSD
MAX531BC/D
Operate from Single +5V Supply
Buffered Voltage Output
Internal 2.048V Reference (MAX531)
140µA Supply Current (MAX538/MAX539)
INL = ±1/2LSB (max)
Guaranteed Monotonic over Temperature
Flexible Output Ranges:
8-Pin SO/DIP (MAX538/MAX539)
Power-On Reset
Serial Data Output for Daisy-Chaining
Pin Configurations continued at end of data sheet.
PART
TOP VIEW
0V to V
V
0V to 2.6V (MAX531/MAX538)
Serial 12-Bit DACs
SS
to V
DOUT
SCLK
TEMP. RANGE
DIN
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
CS
DD
DD
A
1
2
3
4
(MAX531/MAX539)
= +25°C only.
(MAX531)
MAX538
MAX539
DIP/SO
PIN-PACKAGE
14 Plastic DIP
14 Plastic DIP
14 SO
14 SO
Dice*
8
7
6
5
V
VOUT
REFIN
AGND
DD
ERROR
(LSB)
±1/2
±1
±1/2
±1
±1
1
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