Rainbow Electronics MAX126 - Manual (Page 7)

MAX125/MAX126
2x4-Channel, Simultaneous-Sampling
14-Bit DAS
_______________________________________________________________________________________ 7
MUX
2.50V
BANDGAP REFERENCE
REFIN
10k
AGND REFOUT
MUX
T/H
T/H
T/H
T/H
A
B
MUX
A
B
MUX
A
B
MUX
CH1A
CH1B
CH2A
CH2B
CH3A
CH3B
CH4A
CH4B
A
B
14-BIT
DAC
CONTROL LOGIC
BUS INTERFACE
CLK CONVST INT CS RD WR DV DD DGND
SAR
14x4
RAM
V REF
THREE-STATE
OUTPUT
DRIVERS
AV DD
AGND
AV SS
D0/A0 (LSB)
D1/A1
D2/A2
D3/A3
D13 (MSB)
MAX125
MAX126
V REF
COMP
Figure 2. Functional Diagram