MIL-M-38510-140 Microcircuits, Linear, Monolithic And Hybrid Silicon, Microprocessor Compatible, 12 Bit Analog-To-Digital ConvertersThis specification covers the detail requirements for monolithic and hybrid, microprocessor compatible, 12-bit successive approximation analog-to-digital converters buffered outputs. Two product assurance classes and a choice of case outlines and lead finishes are provided and are reflected in the complete part number. For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3.

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ANALOG INPUT VOLTAGE (VOLTS)

DIGITAL OUTPUT

0 to +10 V

0 to +20 V

±5 V

±10 V

MSB          LSB

+10.0000

+20.0000

+5.0000

+10.0000

1111 1111 1111

+9.9963

+19.9927

+4.9963

+9.9927

1111 1111 111>

+5.0012

+10.0024

+0.0012

+0.0024

1000 0000 000>

+4.9988

+9.9976

-0.0012

-0.0024

>>>> >>>> >>>>

+4.9963

+9.9927

-0.0037

-0.0073

0111 1111 111>

+0.0012

+0.0024

-4.9988

-9.9976

0000 0000 000>

+0.0000

0.000

-5.000

-10.0000

0000 0000 0000

Control Inputs

Operation

CE

CS

R /  C

12 /  8

A0

0

x

x

x

x

No operation

x

1

x

x

x

No operation

1

0

1-0

x

0

Initiates 12-bit conversion

1

0

1-0

x

1

Initiates 8-bit conversion

0-1

0

0

x

0

Initiates 12-bit conversion

0-1

0

0

x

1

Initiates 8-bit conversion

1

1-0

0

x

0

Initiates 12-bit conversion

1

1-0

0

x

1

Initiates 8-bit conversion

1

0

0-1

VLOG

x

Enable 12-bit parallel output

1

0

0-1

0.0 V

0

Enables 8 MSB's

1

0

0-1

0.0 V

1

Enables 4 LSB's and 4 trailing

zero's