Advent Instruments AI-5620 - Input & Output

Advent Instruments Inc. 4. Technical Overview
AI-5620 User Guide 19
DC Resistance
Minimum applied Voltage
>1.4 Vdc
On Hook DC impedance Max
>5M
On Hook DC impedance Range
1k to 20k, Programmable
On Hook DC impedance Accuracy
1% ± 75.0 Ω
Off Hook DC impedance Range
50 to 1000 , Programmable
Off Hook DC impedance Accuracy
1% ± 5.0 Ω
Maximum DC load Power dissipation
4.5W
AC Channel Measurements
Max AC input
12.V p-p, (+12.4 dBV)
AC input accuracy
± 0.2 dB (50 Hz – 10 kHz)
AC input noise (low gain)
-55 dBV Full Bandwidth,
-68 dBV ITU 0.41 psophometric weighted, 600 
AC input noise (High gain)
-70 dBV Full Bandwidth,
-86 dBV ITU 0.41 psophometric weighted, 600 
Frequency Measurement Accuracy
0.1%  1 Hz (100 Hz to 10 kHz & > -45 dBv)
Common Mode Rejection
-70 dB at 60 Hz
AC Generator
AC Level Max
8 V p-p Open Circuit
AC Level Accuracy
± 0.2 dB (50 Hz – 10 kHz), on hook
AC Frequency range
20 Hz – 18 kHz
AC Terminations
Resistive AC termination Range
200  to 1000 
Resistive AC Termination Accuracy
± 2 % (100 Hz to 4000 Hz)
Reactive AC termination Setting
TBR-21, German Zr, Optional
Reactive AC termination
± 4.5 % (100 Hz to 4000 Hz)
Ringer Load
1-6 REN*
1
programmable in 1 REN steps
Connector Style
RJ-11 (center two conductors used)
*1 or Ringer Equivalence Number REN ≡ 6.9k + 8uF
4.3.2 Input & Output
BNC Input:
Unbalanced AC Coupled
Input Impedance
100 k ,  5%
Maximum Input Level
5 Vp-p Maximum
Level Accuracy
± 0.2 dB, 50 Hz to 10 kHz
Frequency Range
10 Hz to 18 kHz
Maximum DC input Voltage
± 55 Volts
BNC Output:
Unbalanced, Ground Referenced
Output Impedance
600 ,  3%
Output Level
5 Vp-p Maximum
Level Accuracy
 0.2 dB, 50 Hz to 10 kHz
Frequency Range
10 Hz to 18 kHz
Signal Source
Tip/Ring, Tip/Ring with user selectable filters, Tone
Generator
Digital I/O:
Number of Output Pins
3 (can be set to mirror hook state, ring detect status,
and FSK decoder output status)
Output Pin Configuration
Open Collector
Output Pin Maximum Sink Current
25 mA
Output Pin Pull-up Resistance
5.1 k
Number of Input Pins
2
Input Pin Impedance
100 k
Input Pin Low Level Input
0.8 Volts (for logic 0) Maximum
Input Pin High Level Input
2.0 Volts (for logic 1) Minimum