ch1840 ETC-unknow, ch1840 Datasheet - Page 6

• Manufacturer Part Number: ch1840
• Description: Profile Data Access Arrangement Modules
• Manufacturer: ETC-unknow

© 2000 Cermetek Microelectronics, Inc.
LOGIC
Telephone Line Interface AC
Impedance
Isolation Protection
Surge Protection
Transmit Level
Transmit Insertion Loss
Receive insertion Gain
Trans-hybrid loss
On-Hook Impedance
Loop Current
Receive Output Impedance
Transmit Input Impedance
FCC Registration Number
Ringer Equivalence
TIMERS
Hook Switch
Power Supply Current
Input high
Input low
Input leakage high
Input leakage low
Output high
Output low
Ring Detection Delay
Billing Delay Timer
PARAMETER
Extended Temperature (ET) versions available to T
SYMBOL
Z
G
REN
Z
G
I
Z
T
V
Z
V
V
G
I
LOOP
T
V
V
ONHK
I
CH5
I
LINE
RGD
RNC
TRX
TRX
TRX
RCV
IH
IL
OH
OL
BD
TH
IH
IL
T
A
CH1840 DAA Electrical Specifications
= 0ºC to 55ºC unless otherwise specified
I
I
Conforms to FCC Part 68 hazardous voltage and
leakage
Conforms to FCC Part 68 for surge
Measure at XMIT, 1800 Hz
(Voice Mode)
1800 Hz, 600 Ohms, 35mA loop current
(Voice Mode)
1800 Hz, 600 Ohms, 35mA loop current
600 Ohms +3% between TIP & RING
600 Hz to 4000 Hz
OFFHK = 0 volts
OFFHK = 5 volts
Measured at RCV
Measured at XMIT @ 1800 Hz
Supplied on unit label
Supplied on unit label
Ringing at 40 Hz, 45 V
+5V ±5% Supply Voltage
Off Hook
On Hook
OH
OL
= 0.2mA
= 2.0mA
Table 2
CH1840
CH1840D
CH1840
CH1840D
CONDITIONS
RMS
Page 6
A
= -40ºC to +85ºC
MIN.
-0.3
600
800
-0.5
-0.5
Document No. 607-0011 Rev. A (5/00)
3.0
3.0
9.5
2.0
1K
18
10
20
50
0
TYP.
0.2A
100
200
3.5
0.2
0.0
2.5
0.5
10
23
20
0
6
3
MAX.
0.774
0.251
-500
10.5
+0.5
500
360
5.0
0.8
5.3
0.4
0.5
3.0
1.0
80
50
10
6
UNITS
Vpeak
Mohm
Ohms
Kohm
REN
V
V
V
mA
mA
sec
mA
mA
mA
ms
uA
uA
dB
dB
dB
dB
RMS
RMS
RMS
V
V
V
V