Pin description – Rainbow Electronics MAX5251 User Manual
Page 7
MAX5251
+3V, Quad, 10-Bit Voltage-Output DAC
with Serial Interface
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7
______________________________________________________________Pin Description
Serial-Data Input
DIN
9
Serial-Clock Input
SCLK
10
Digital Ground
DGND
11
Serial-Data Output
DOUT
12
User-Programmable Logic Output
UPO
13
DAC B Output Amplifier Feedback
FBB
5
Reference Voltage Input for DAC A and DAC B
REFAB
6
Clears All DACs and Registers. Resets all outputs (OUT_, UPO, DOUT) to 0, active low.
CL
7
Chip-Select Input. Active low.
CS
8
DAC B Output Voltage
OUTB
4
DAC A Output Voltage
OUTA
3
PIN
DAC A Output Amplifier Feedback
FBA
2
Analog Ground
AGND
1
FUNCTION
NAME
Power-Down Lockout. Active low. Locks out software shutdown if low.
PDL
14
Reference Voltage Input for DAC C and DAC D
REFCD
15
DAC C Output Amplifier Feedback
FBC
16
DAC C Output Voltage
OUTC
17
DAC D Output Voltage
OUTD
18
DAC D Output Amplifier Feedback
FBD
19
Positive Power Supply
V
DD
20