Siemens TC65 Terminal User Manual

TC65 Terminal Hardware Interface Description
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TC65 Terminal_HD_V02.000b Page 59 of 65 19.02.2007
5.11 Characteristics of the ADC Interface
Table 37: Characteristics of the ADC interface
Function Signal name IO Signal form and level Comment
ADC1_IN_P
ADC1_IN_N
Analog/
Digital
Converter
balanced
input
ADC2_IN_P
ADC2_IN_N
Sin
gle ended or differential input
voltage
ADCx_IN_N = GND or negative
voltage
ADCx_IN_P = positive voltage
VI min = 0V
VI max = 5V
Ri single ended ≈ 600kOhm
Ri balanced ≈ 1200kOhm
Cut-off-frequency, fg = 70Hz
Common-mode rejection ratio,
CMRR > 50dB
Inaccuracy ±1mV
Linear error ±1mV
Temperature error ±1mV
Burst e
rror ±1mV
ADC1_IN and ADC2_IN
are balanced lines and
multiplexed with an analog
switch.
Both inputs are filtered by
a low pass
5.12 Characteristics of the RTC Supply
Table 38: Characteristics of the RTC supply
Function Signal name IO Signal form and level Comment
RTC
backup
BACKUP I/O
V
IN
max = 4.7V
Module power down
V
IN
min=2.6V at Imax = 25µA
Module active
V
IN
=<3.6V I
IN
= 0µA
V
IN
=>3.7V I
IN
= 25µA
If unused, keep pin open.

Siemens TC65 Terminal Specifications

General

Brand	Siemens
Model	TC65 Terminal
Category	Telephone Accessories
Language	English