User Manual
MAX1200
+5V Single-Supply, 1Msps, 16-Bit
Self-Calibrating ADC
_______________________________________________________________________________________ 7
Pin Description
12
18
17, 28, 29
16
1
PIN
15
8
7
3, 6
2, 4, 5
11
10
9
14
NAME
20
FUNCTION
19
13
D11 Bit 11
D7 Bit 7
DGND Digital Ground
DRV
DD
Digital Power Supply for the Output Drivers. +3V to +5.25V, DRV
DD
≤ DV
DD
D8 Bit 8
D9
ST_CAL
Digital Input to Start Calibration.
ST_CAL = 0: Normal conversion mode.
ST_CAL = 1: Start self-calibration.
Bit 9
D5 Bit 5
D6 Bit 6
D10
D15 Bit 15 (MSB)
Bit 10
DOR Data Out-of-Range Bit
AV
DD
Analog Power Supply, +5V ±5%
AGND Analog Ground
D12 Bit 12
D13 Bit 13
D14 Bit 14
21
23
22
D4 Bit 4
D2 Bit 2
D3 Bit 3
24
26
25
D1 Bit 1
TEST1
Test Pin 1. Do not connect.
D0 Bit 0 (LSB)
27, 30
32
31
DV
DD
Digital Power Supply, +3V to +5.25V
DAV
Data Valid Clock. This clock can be used to transfer the data to a memory or any other data
acquisition system.
CLK Input Clock. Receives power from AV
DD
to reduce jitter.
33
35
34
OE Output Enable. OE = 0: D0–D15 and DOR are high impedance. OE = 1: All bits are active.
CM
Common-Mode Voltage. Analog Input. Drive midway between positive and negative reference
voltages.
TEST0
Test Pin 0. Do not connect.
36
38
37
RFPF Positive Reference Voltage, Force Input
RFNF Negative Reference Voltage, Force Input
RFPS Positive Reference Voltage, Sense Input
39
41, 42
40
RFNS Negative Reference Voltage, Sense Input
N.C. Not Connected. No internal connection.
INP Positive Input Voltage
43
44
INN Negative Input Voltage
END_CAL
Digital Output for End of Calibration.
END_CAL = 0: Calibration in progress.
END_CAL = 1: Normal conversion mode.