Pin description – Rainbow Electronics MAX105 User Manual
Page 9
MAX105
Dual, 6-Bit, 800Msps ADC with On-Chip,
Wideband Input Amplifier
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9
PIN
NAME
FUNCTION
1, 20
T.P.
Test Point. Do not connect.
2
REF
Reference Output
3
AV
CC
R
Analog Reference Supply. Supply voltage for the internal bandgap reference. Bypass to AGNDR
with 0.01µF in parallel with 47pF for proper operation.
4
AGNDR
Reference, Analog Ground. Connect to AGND for proper operation.
5, 8
AGNDI
I-Channel, Analog Ground. Connect to AGND for proper operation.
6
INI-
I-Channel, Differential Input. Negative terminal.
7
INI+
I Channel, Differential Input. Positive terminal.
9
AV
CC
I
I-Channel, Analog Supply. Supplies I-channel common-mode buffer, pre-amplifier and quantizer.
Bypass to AGNDI with 0.01µF in parallel with 47pF for proper operation.
10
CLK+
Sampling Clock Input
11
CLK-
Complementary Sampling Clock Input
12
AV
CC
Q
Q-Channel, Analog Supply. Supplies Q-channel common-mode buffer, pre-amplifier and quantizer.
Bypass to AGNDQ with 0.01µF in parallel with 47pF for proper operation.
13, 16
AGNDQ
Q-Channel, Analog Ground. Connect to AGND for proper operation.
14
INQ+
Q-Channel, Differential Input. Positive terminal.
15
INQ-
Q-Channel, Differential Input. Negative terminal.
17, 18
AGND
Analog Ground
19
AV
CC
Analog Supply. Bypass to AGND with 0.01µF in parallel with 47pF for proper operation.
21
A5Q+
Auxiliary Output Data Bit 5 (MSB), Q-Channel
22
A5Q-
Complementary Auxiliary Output Data Bit 5 (MSB), Q-Channel
23
P5Q+
Primary Output Data Bit 5 (MSB), Q-Channel
24
P5Q-
Complementary Primary Output Data Bit 5 (MSB), Q-Channel
25
A4Q+
Auxiliary Output Data Bit 4, Q-Channel
26
A4Q-
Complementary Auxiliary Output Data Bit 4, Q-Channel
27
P4Q+
Primary Output Data Bit 4, Q-Channel
28
P4Q-
Complementary Primary Output Data Bit 4, Q-Channel
29, 35
OV
CC
Q
Q-Channel Outputs, Digital Supply. Supplies Q-channel output drivers and DOR logic. Bypass to
OGND with 0.01µF in parallel with 47pF for proper operation.
30, 36
OGNDQ
Q-Channel Outputs, Digital Ground. Connect to designated digital ground (OGND) on PC board
for proper operation.
Pin Description