Datasheet

MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
______________________________________________________________________________________ 13
HIGH-Z
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
t
CONV
DOUT*
CS
SCLK
1ST BYTE READ 2ND BYTE READ
EOC
MSB LSB
*WHEN CS IS HIGH, DOUT = HIGH -Z
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
t
CONV
DOUT*
CS
SCLK
EOC
MSB LSB
HIGH-Z
*WHEN CS IS HIGH, DOUT = HIGH -Z
Figure 12. SPI/MICROWIRE Serial Interface Timing (CPOL = CPHA = 0)
Figure 13. QSPI Serial Interface Timing (CPOL = CPHA = 0)
SUPPLIES
+3V +3V GND
DGND+3V
DIGITAL
CIRCUITRY
GNDV
DD
MAX1240
MAX1241
*OPTIONAL
R* = 10Ω
4.7μF
0.1μF
Figure 14. Power-Supply Grounding Condition