Measurement Computing ADAC/5500 Series - Manual (Page 53)

6.3.1 A/D Inputs – ADAC/5503HR and ADAC/5504HR
Number of Inputs: 16 Single-ended
16 pseudo-differential
8 differential
A/D Expansion: Up to 256 channels external
Resolution: 16 bit (155.070 µV/bit on 0 to 10 V range)
Acquisition Rate: 200 kHz max
A/D Full Scale Ranges: ±10 V
0 to 10 V
Programmable Gain
High level (ADAC/5503HR): x1, x2, x4, x8
Low level (ADAC/5504HR): x1, x10, x100
Full Scale Input Ranges
A/D Full Scale Range Plus Input Gain
ADAC/5503HR: ±10 V, ±5 V, ±2.5 V, ±1.25 V,
0-10 V, 0-5 V, 0-2.5 V, 0-1.25 V
ADAC/5504HR: ±10 V, ±1 V, ±0.09968 V,
0-10 V, 0-1 V, 0-0.0998 V
ADAC/5503HR: 0-20mA
Differential Linearity: ± 3 LSB, no missing codes
Gain Error: Adjustable to Zero
Gain Drift: ± 7 ppm/ °C
Zero Error: Adjustable to Zero
Zero Drift: ± 2 ppm/ °C
Signal to Noise and Distortion: S/(N+D) 83 dB min. @ gain = 1
Total Harmonic Distortion: 90 dB (typical) @ gain = 1, measured to 5th harmonic
Full Power Bandwidth: 1 MHz
Input Impedance
Shunt Res. to Ground: 10 M ohm
Shunt Capacitance: 28 pf
On Resistance: 400 ohm
Overvoltage Protection: ±25 V (powered) ±40 V (unpowered)
Acceptable Operating Limit
Signal Plus Common Mode: ±12 V
Output Coding
Unipolar: Straight binary
Bipolar: Offset binary 2's complement
ADAC Series 908196
-48- ADAC/5500 Series User’s Manual