MAX1391 Datasheet, PDF (12/18 Pages) Maxim Integrated Products – 1.5V to 3.6V, 416ksps, 1-Channel True-Differential/2-Channel Single-Ended, 8-Bit, SAR ADCs

1.5V to 3.6V, 416ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 8-Bit, SAR ADCs
ADC POWER-
STATE DOWN
UNI/BIP
(CH1/CH2)*
POWER-UP
AND ACQUIRE
(t_ACQ)
BIPOLAR (AIN1)*
SAMPLING INSTANT
HOLD AND CONVERT
(t_CONV)
POWER-DOWN
CS = OE
SCLK
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
DOUT
HIGH-Z
D7 D6 D5 D4 D3 D2 D1 D0
HIGH-Z
*INDICATES THE MAX1394
UNI (AIN2)*
1
Figure 8. Serial-Interface Timing for SPI/QSPI (CPOL = CPHA = 1) and MICROWIRE (G6 = 0, G5 = 1)
ADC POWER-
STATE DOWN
UNI/BIP
(CH1/CH2)*
POWER-UP
AND ACQUIRE
(t_ACQ)
BIPOLAR (AIN1)*
SAMPLING INSTANT
HOLD AND CONVERT
(t_CONV)
POWER-DOWN
CS = OE
SCLK
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
DOUT
HIGH-Z
D7 D6 D5 D4 D3 D2 D1 D0
HIGH-Z
*INDICATES THE MAX1394
UNI (AIN2)*
1
Figure 9. Serial-Interface Timing for SPI/QSPI (CPOL = CPHA = 0) and MICROWIRE (G6 = 0, G5 = 0)
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