Datasheet
ADC12030, ADC12032, ADC12034
ADC12038, ADC12H030, ADC12H032
ADC12H034, ADC12H038
SNAS080K –JULY 1999–REVISED MARCH 2013
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Table 5. Mode Programming
(1)
(continued)
ADC12038 DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7
ADC12034 DI0 DI1 DI2 DI3 DI4 DI5 DI6 DO Format
Mode Selected
(next Conversion
ADC12030
(Current)
Cycle)
and DI0 DI1 DI2 DI3 DI4 DI5
ADC12032
L L L L L H H H 12 Bit Conversion of Offset 12 or 13 Bit LSB First
L L L L H L L L Auto Cal No Change
L L L L H L L H Auto Zero No Change
L L L L H L H L Power Up No Change
L L L L H L H H Power Down No Change
L L L L H H L L Read Status Register No Change
L L L L H H L H Data Out without Sign No Change
H L L L H H L H Data Out with Sign No Change
L L L L H H H L Acquisition Time—6 CCLK Cycles No Change
L H L L H H H L Acquisition Time—10 CCLK Cycles No Change
H L L L H H H L Acquisition Time—18 CCLK Cycles No Change
H H L L H H H L Acquisition Time—34 CCLK Cycles No Change
L L L L H H H H User Mode No Change
Test Mode
H X X X H H H H No Change
(CH1–CH7 become Active Outputs)
Table 6. Conversion/Read Data Only Mode Programming
CS CONV PD Mode
L L L See Table 5 for Mode
L H L Read Only (Previous DO Format). No Conversion.
H X L Idle
X X H Power Down
Table 7. Status Register
Status Bit
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8
Location
Status Bit PU PD Cal 8 or 9 12 or 13 16 or 17 Sign Justification Test Mode
Device Status DO Output Format Status
“High” “High” “High” “High” “High” “High” “High” When “High” When “High”
indicates a indicates a indicates an indicates an indicates a indicates a indicates the the device is
Power Up Power Auto Cal 8 or 9 bit 12 or 13 bit 16 or 17 bit that the conversion in test mode.
Sequence Down Sequence format format format sign bit is result will be When “Low”
is in Sequence is in included. output MSB the device is
Function
progress is in progress When “Low” first. When in user
progress the sign bit “Low” the mode.
is not result will be
included. output LSB
first.
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Product Folder Links: ADC12030 ADC12032 ADC12034 ADC12038 ADC12H030 ADC12H032 ADC12H034
ADC12H038