Pin description – Rainbow Electronics MAX1198 User Manual
Page 10
MAX1198
Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
COM
Common-Mode Voltage I/O. 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: Disables both quantizers, but leaves the reference bias circuit active
Low: Normal operation
19
PD
Active-High Power-Down Input
High: Power-down mode
Low: Normal operation
20
OE
Active-Low Output Enable Input
High: Digital outputs disabled
Low: Digital outputs enabled
21
D7B
Three-State Digital Output, Bit 7 (MSB), Channel B
22
D6B
Three-State Digital Output, Bit 6, Channel B
23
D5B
Three-State Digital Output, Bit 5, Channel B
24
D4B
Three-State Digital Output, Bit 4, Channel B
25
D3B
Three-State Digital Output, Bit 3, Channel B
26
D2B
Three-State Digital Output, Bit 2, Channel B
27
D1B
Three-State Digital Output, Bit 1, Channel B
28
D0B
Three-State Digital Output, Bit 0, Channel B
29, 30, 35, 36
N.C.
No Connection
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.
37
D0A
Three-State Digital Output, Bit 0, Channel A
38
D1A
Three-State Digital Output, Bit 1, Channel A
39
D2A
Three-State Digital Output, Bit 2, Channel A
40
D3A
Three-State Digital Output, Bit 3, Channel A
41
D4A
Three-State Digital Output, Bit 4, Channel A