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Appendix a specifications, Specifications, Pc-lpm-16pnp board – National Instruments PC-LPM-16/PnP User Manual

Page 43: Analog input input characteristics, Transfer characteristics

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National Instruments Corporation

A-1

PC-LPM-16/PnP User Manual

Specifications

Appendix

A

This appendix lists the PC-LPM-16PnP specifications. These
specifications are typical at 25

°

C unless otherwise specified. The

operating temperature range is 0

°

to 70

°

C.

PC-LPM-16PnP Board

Analog Input

Input Characteristics

Number of channels ........................... 16 single-ended

Type of ADC...................................... Successive approximation

Resolution .......................................... 12 bits, 1 in 4,096

Max sampling rate .............................. 50 kS/s

Input signal ranges .............................

±

5 V,

±

2.5 V, 0 to 10 V, or

0 to 5 V, software-selectable

Input coupling .................................... DC

Overvoltage protection .......................

±

45 V powered on,

±

35 V powered off

Inputs protected ....................... ACH<0..15>

FIFO buffer size ................................. 256 S

Data transfers ..................................... Interrupts, programmed I/O

Transfer Characteristics

Relative accuracy ..............................

±

1.0 LSB typ,

±

1.5 LSB max

Integral nonlinearity ...........................

±

0.5 LSB max

Differential nonlinearity .....................

±

1.0 LSB max

(For more information on nonlinearity and quantization error, see

the

Explanation of Analog Input Specifications

section)

Offset error after calibration ...............

±

1.0 LSB typ,

±

2.0 LSB max

a.Book : I.Appendix A Page 1 Wednesday, November 20, 1996 6:36 PM