Rainbow Electronics MAX1181 - Manual (Page 9)

MAX1181
Dual 10-Bit, 80Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
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Pin Description
PIN NAME FUNCTION
1 COM Common-Mode Voltage Input/Output. Bypass to GND with a ≥0.1µF capacitor.
2, 6, 11, 14, 15 V DD
Analog Supply Voltage. Bypass to GND with a capacitor combination of 2.2µF in parallel with
0.1µF.
3, 7, 10, 13, 16 GND Analog Ground
4 INA+ Channel ‘A’ Positive Analog Input. For single-ended operation, connect signal source to INA+.
5 INA- Channel ‘A’ Negative Analog Input. For single-ended operation, connect INA- to COM.
8 INB- Channel ‘B’ Negative Analog Input. For single-ended operation, connect INB- to COM.
9 INB+ Channel ‘B’ Positive Analog Input. For single-ended operation, connect signal source to INB+.
12 CLK Converter Clock Input
17 T/B
T/B selects the ADC digital output format.
High: Two’s complement.
Low: Straight offset binary.
18 SLEEP
Sleep Mode Input.
High: Deactivates the two ADCs, but leaves the reference bias circuit active.
Low: Normal operation.
19 PD
Power-Down Input.
High: Power-down mode.
Low: Normal operation.
20 OE
Output Enable Input.
High: Digital outputs disabled.
Low: Digital outputs enabled.
21 D9B Three-State Digital Output, Bit 9 (MSB), Channel B
22 D8B Three-State Digital Output, Bit 8, Channel B
23 D7B Three-State Digital Output, Bit 7, Channel B
24 D6B Three-State Digital Output, Bit 6, Channel B
25 D5B Three-State Digital Output, Bit 5, Channel B
26 D4B Three-State Digital Output, Bit 4, Channel B
27 D3B Three-State Digital Output, Bit 3, Channel B
28 D2B Three-State Digital Output, Bit 2, Channel B
29 D1B Three-State Digital Output, Bit 1, Channel B
30 D0B Three-State Digital Output, Bit 0 (LSB), Channel B
31, 34 OGND Output Driver Ground
32, 33 OV
DD
Output Driver Supply Voltage. Bypass to OGND with a capacitor combination of 2.2µF in parallel
with 0.1µF.
35 D0A Three-State Digital Output, Bit 0 (LSB), Channel A
36 D1A Three-State Digital Output, Bit 1, Channel A
37 D2A Three-State Digital Output, Bit 2, Channel A
38 D3A Three-State Digital Output, Bit 3, Channel A
39 D4A Three-State Digital Output, Bit 4, Channel A