5
FN7488.1
February 20, 2008
Pin Descriptions
PIN NUMBER PIN NAME PIN TYPE PIN DESCRIPTION
1 OUTA Analog Output Channel A output voltage
2 LDO_COMP Analog Input LDO compensation capacitor
3 LDO_IN Analog Input LDO inverting input
4 VSD Power Positive power supply for digital circuits (3.3V - 5V)
5 SDI Logic Input Serial data input
6 SCLK Logic Input Serial data clock
7ENA
Logic Input Chip select, low enables data input to logic
8 SDO Logic Output Serial data output
9 RD_WRBAR Analog Input Read, write select: “0” = write, “1” = read
10 EXT_OSC Input/Output Oscillator pin for synchronizing
11 RESET Analog Input Reset all registers: “0” = reset
12 OUTR Analog Output Channel R output voltage
13 OUTQ Analog Output Channel Q output voltage
14 OUTP Analog Output Channel P output voltage
15 OUTO Analog Output Channel O output voltage
16 OUTN Analog Output Channel N output voltage
17 OUTM Analog Output Channel M output voltage
18 OUTL Analog Output Channel L output voltage
19 OUTK Analog Output Channel K output voltage
20 OUTJ Analog Output Channel J output voltage
21, 30 VS Power Positive supply voltage for analog circuits (4.5V - 16.5V)
22 OUTCOM Analog Output V
COM
output
23, 29 GND Power Ground
24 INNCOM Analog Input V
COM
inverting input
25 REFL Analog Input Low reference voltage
26 REFH Analog Input High reference voltage
27 LDO_OUT Analog Output LDO output
28 CAP Analog Decoupling capacitor for internal reference
31 OUTI Analog Output Channel I output voltage
32 OUTH Analog Output Channel H output voltage
33 OUTG Analog Output Channel G output voltage
34 OUTF Analog Output Channel F output voltage
35 OUTE Analog Output Channel E output voltage
36 OUTD Analog Output Channel D output voltage
37 OUTC Analog Output Channel C output voltage
38 OUTB Analog Output Channel B output voltage
EL5625
