Instruction Manual

MAX5230/MAX5231
3V/5V, 12-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
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DAC A
V
DD
DOUT
AGNDSCLKDINCS DGND
AMP A
AMP B
BANDGAP
REFERENCE
REFERENCE
BUFFER
DAC B
2.5V (1.25V)
( ) FOR MAX5230 ONLY
OUTA
OSA
OSB
OUTB
121kΩ
1kΩ
1kΩ SHUTDOWN
1kΩ SHUTDOWN
77.25kΩ
16-BIT
SHIFT REGISTER
SR
CONTROL
1
REF
1.25V
LDAC
RSTV
PDL
CLR
MAX5230
MAX5231
121kΩ
77.25kΩ
2X
(1X)
DAC
REGISTER
INPUT
REGISTERS
DECODE
CONTROL
Functional Diagram