MAX1068 Maxim Integrated Products, MAX1068 Datasheet - Page 15

• Manufacturer Part Number: MAX1068
• Description: (MAX1067 / MAX1068) 200ksps Analog-to-Digital Converters
• Manufacturer: Maxim Integrated Products

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