Rainbow Electronics MAX5735 - Manual (Page 13)

MAX5732–MAX5735
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
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PIN NAME FUNCTION
1, 42, 48 AV CC Output-Amplifier Positive Supply Input. Bypass to V SS with a 0.1µF capacitor.
2 OUT9 DAC9 Buffered Analog Output Voltage
3 OUT8 DAC8 Buffered Analog Output Voltage
4 OUT7 DAC7 Buffered Analog Output Voltage
5 N.C. No Connection. Internally connected. Do not make any connections to N.C.
6 OUT6 DAC6 Buffered Analog Output Voltage
7 OUT5 DAC5 Buffered Analog Output Voltage
8 OUT4 DAC4 Buffered Analog Output Voltage
9, 38 AGND Analog Ground
10 OUT3 DAC3 Buffered Analog Output Voltage
11, 28, 39 V SS Output-Amplifier Negative Supply Input
12 OUT2 DAC2 Buffered Analog Output Voltage
13 OUT1 DAC1 Buffered Analog Output Voltage
14 OUT0 DAC0 Buffered Analog Output Voltage
15 DSP Digital Serial-Interface-Select Input. Drive low for DSP-interface mode. Drive high for SPI-interface mode.
16 CS Active-Low Digital Chip-Select Input
17 DOUT Digital Serial-Data Output. Use DOUT to daisy chain and read the contents of the DAC registers.
18 SCLK Digital Serial-Clock Input
19 DIN Digital Serial-Data Input
20 DV DD Digital Power-Supply Input. Bypass to DGND with a 0.1µF capacitor.
21 DGND Digital Ground
22 LDAC
Active-Low Digital Load DAC Input. Drive this asynchronous input low to transfer the contents of the
input register to their respective DAC registers and set all DAC outputs accordingly.
23 CLR
Active-Low Digital Clear Input. Drive this asynchronous input low to clear the contents of the input and
DAC registers and set all the DAC outputs to zero.
24 GS
Ground-Sense Analog Input. Offsets the DAC amplifier outputs by ±0.5V to compensate for a remote
system ground potential difference.
25, 49 REFGND Reference Ground
26 REF Analog Reference Voltage Input
27, 50 AV DD Analog Power-Supply Input. Bypass to AGND with a 0.1µF capacitor.
29 OUT31 DAC31 Buffered Analog Output Voltage
30 OUT30 DAC30 Buffered Analog Output Voltage
31 OUT29 DAC29 Buffered Analog Output Voltage
32 OUT28 DAC28 Buffered Analog Output Voltage
33 OUT27 DAC27 Buffered Analog Output Voltage
34 OUT26 DAC26 Buffered Analog Output Voltage
35 OUT25 DAC25 Buffered Analog Output Voltage
36 OUT24 DAC24 Buffered Analog Output Voltage
37 OUT23 DAC23 Buffered Analog Output Voltage
Pin Description