ADC12L030CIWM National Semiconductor, ADC12L030CIWM Datasheet - Page 23

• Manufacturer Part Number: ADC12L030CIWM
• Description: 3.3V Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
• Manufacturer: National Semiconductor

Note 21: ADC12L030 does not have A/DIN1, A/DIN2, MUXOUT1 and MUXOUT2 pins.
Tables
X = Don’t Care
Note 22: The A/D powers up with no Auto Cal, no Auto Zero, 10 CCLK acquisition time, 12-bit + sign conversion, power up, 12- or 13-bit MSB first and user mode.
ADC12L038
ADC12L034
ADC12L030
ADC12L032
DI0
H
H
Address
L
L
MUX
and
DI1
H
H
L
L
(Continued)
DI0
DI0
DI0
See Tables 2, 3, 4
See Tables 2, 3, 4
See Tables 2, 3, 4
See Tables 2, 3, 4
See Tables 2, 3, 4
See Tables 2, 3, 4
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
CH0
+
−
+
with A/DIN1 tied to MUXOUT1
and A/DIN2 tied to MUXOUT2
Analog Channel Addressed
DI1
DI1
DI1
H
H
X
L
L
L
L
L
L
L
L
L
L
L
L
and Assignment
DI2
DI2
TABLE 4. ADC12L032 and ADC12L030 Multiplexer Addressing
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
DI3
CH1
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
−
+
+
DI4
DI3
DI2
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
DI5
DI4
DI3
TABLE 5. Mode Programming
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
COM
−
−
DI6
DI5
DI4
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
DI7
DI6
DI5
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
A/DIN1
23
Assignment
+
−
+
+
12 Bit Conversion of Full-Scale
A/D Input
Acquisition Time — 10 CCLK
Acquisition Time — 18 CCLK
Acquisition Time — 34 CCLK
Polarity
Acquisition Time — 6 CCLK
12 Bit Conversion of Offset
(CH1–CH7 become Active
Data Out without Sign
Read Status Register
Data Out with Sign
12 Bit Conversion
12 Bit Conversion
12 Bit Conversion
12 Bit Conversion
A/DIN2
8 Bit Conversion
8 Bit Conversion
Mode Selected
Power Down
User Mode
Test Mode
−
+
−
−
Auto Zero
Power Up
(Current)
Auto Cal
Outputs)
Cycles
Cycles
Cycles
Cycles
MUXOUT1
CH0
CH0
CH0
CH1
Assignment
Multiplexer
Channel
Output
MUXOUT2
COM
COM
CH1
CH1
12 or 13 Bit MSB First
16 or 17 Bit MSB First
12 or 13 Bit MSB First
12 or 13 Bit LSB First
16 or 17 Bit LSB First
12 or 13 Bit LSB First
8 or 9 Bit MSB First
8 or 9 Bit LSB First
(next Conversion
DO Format
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
No Change
Cycle)
Single-Ended
Differential
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