MAX1067 Datasheet, PDF (15/30 Pages) Maxim Integrated Products – Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
Table 2. Channel Select
BIT7
CH SEL2
0
0
0
0
1
1
1
1
BIT6
CH SEL1
0
0
1
1
0
0
1
1
BIT5
CH SEL0
0
1
0
1
0
1
0
1
CHANNEL
AIN_
0
1
2
3
4
5
6
7
Table 4. MAX1068 Scan Mode, Internal
Clock Only (Not for DSP Mode)
ACTION
Single channel, no scan
Sequentially scan channels 0 through N
(N ≤ 7)
Sequentially scan channels 4 through N
(4 ≤ N ≤ 7)
Scan channel N 8 times
BIT4
SCAN1
0
BIT3
SCAN0
0
0
1
1
0
1
1
Table 3. MAX1067 Scan Mode, Internal
Clock Only
ACTION
Single channel, no scan
Sequentially scan channels 0 through N
(N ≤ 3)
BIT4
SCAN1
0
BIT3
SCAN0
0
0
1
Sequentially scan channels 2 through N
(2 ≤ N ≤ 3)
1
0
Scan channel N 4 times
1
1
Table 5. Power-Down Modes
BIT2
REF/PD_
SEL1
BIT1
REF/PD
SEL0
REFERENCE
REFERENCE MODE
(INTERNAL REFERENCE)
0
0
Internal
Internal reference and reference buffer stay
on between conversions
0
1
Internal
Internal reference and reference buffer off
between conversions
1
0
Internal
Internal reference on, reference buffer off
between conversions
1
1
External
Internal reference and buffer always off
TYPICAL
SUPPLY
CURRENT
1mA
TYPICAL WAKE-
UP TIME
(C_REF = 1µF)
NA
0.6µA
5ms
0.43mA
5ms
0.6µA
NA
Table 6. Clock Modes
BIT0
INT/EXT
CLK
0
1
CLOCK MODE
External clock
Internal clock
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