Datasheet

MAX105
Dual, 6-Bit, 800Msps ADC with On-Chip,
Wideband Input Amplifier
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PIN NAME FUNCTION
1, 20 T.P. Test Point. Do not connect.
2 REF Reference Output
3AV
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.
9AV
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