Datasheet

MAX1246/MAX1247
+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
22 ______________________________________________________________________________________
XF
CLKX
CLKR
DX
DR
FSR
CS
SCLK
DIN
DOUT
SSTRB
TMS320LC3x
MAX1246
MAX1247
Figure 20. MAX1246/MAX1247-to-TMS320 Serial Interface
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
MAX1246
MAX1247
MC683XX
(POWER SUPPLIES)
SCK
PCS0
MOSI
MISO
1µF
0.1µF
0.1µF
(GND)
ANALOG
INPUTS
+3V
+3V
V
DD
CH0
CH1
CH2
CH3
COM
SHDN
VREF
SCLK
CS
DIN
SSTRB
DOUT
DGND
AGND
REFADJ
+2.5V
Figure 19. MAX1246/MAX1247 QSPI Connections, External Reference