Measurement-computing CIO-DAC08 User Manual download pdf (Page 17)

Chapter 5

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Analog output

Table 1. Analog input specifications

Parameter Conditions Specification

D/A converter AD7237

Resolution 12-bits

Number of channels 8 voltage outputs

Output ranges ±10 V, ±5 V, ±2.5 V, 0 to 10 V, 0 to 5 V, 0 to 2.5 V.

Each channel independently switch selectable.

D/A pacing Software paced

Data transfer Software

Offset error Adjustable to zero

Gain error Adjustable to zero

Differential nonlinearity ±½ LSB max

Integral nonlinearity ±½ LSB max

Monotonicity 12-bits

Gain drift (DAC) ±30 ppm/°C max

Offset drift (DAC) ±3 ppm/°C max

Throughput System dependant

Slew rate 0.3 V/µS typical

Settling time 20 V step to .01% 70 µs

Current drive ±5 mA min

Output short-circuit duration Indefinite

Output coupling DC

Output resistance (OP-07) 0.1 ohm max

Miscellaneous

 Double buffered output latches

 Update DACs individually or simultaneously (jumper

selectable by pairs)

 Power up and reset option, jumper selectable (revision 3 and

later): With jumper set to "ZERO", all DACs are cleared to

0 volts, ±32 mV, and DACs are set to simultaneous update

mode until first read. With jumper set to "STD", DAC output

on power-up is undefined.

Power consumption

Table 2. Power consumption specifications

Parameter Conditions Specification

+5 V supply 435 mA typical, 525 mA max

+12 V supply 75 mA typical, 98 mA max

Supply current

-12 V supply 52 mA typical, 68 mA max

1 2 ... 12 13 14 15 16 17 18 19 20

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Measurement-computing CIO-DAC08 User Manual Page 17

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