ADLINK Technology MCM-216, User Manual

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4 Introduction
1.3.3 Isolated Digital I/O
Offset Error Voltage mode: ±1 mV (± 10 V)
Current mode: ±0.01 mA (typical)
Gain Error Voltage mode: ±0.05% of FSR (± 10 V)
Current mode: ±0.13% of FSR (typical)
-3dB Bandwidth >100 Hz
Flatness ±0.1dB (20 Hz to 30 KHz)
Trigger Sources Software, digital trigger, analog trigger, built-in button
Overvoltage Protection ±15 V
Input Impedance
MCM-216: >1G ohm
MCM-218: ±249 ohms
CMRR 105 dB for ±1.25 V & ±0.3125 V
95 dB for ±2.5 V
85 dB for ±10 V
SFDR 100 dB for ±10 V, Diff
THD 103 dB for ±10 V, Diff
SINAD 86 dB for ±10 V, Diff
SNR 87 dB for ±10 V, Diff
ENOB 14-bit for ±10 V, Diff
Isolated Digital I/O Specifications
Number of I/O 4-ch digital input and 4-ch digital output
Digital Type TTL input: 0-5 V for DI / Open drain for DO
Input Logic Level Logic low: VIL = 0.8 V max., IIL = 0.2 mA max.
Logic high: VIH = 2.0 V min., IIH = 0.2 mA max.
Supplied Voltage 5 to 35V DC (for DO open drain)
Input Frequency Range 500 KHz for 1 μ s pulse
Max. Sink Current 250 mA @ 100% duty (per channel)
Overvoltage Protection DO: -50V to +50V; DI: 0V to +5V
Supported Modes
• Static digital input/output
• Tachometer support (DI 0 only; range:
0.6 Hz to 500 kHz; 500 kHz for 1 microsecond)
• External digital trigger in
Analog Input Specifications