am79c203 ETC-unknow, am79c203 Datasheet - Page 17

• Manufacturer Part Number: am79c203
• Description: Advanced Subscriber Line Interface Circuit Aslic Device
• Manufacturer: ETC-unknow

PERFORMANCE SPECIFICATIONS
(See note 1) T
No.
10
11
1
2
3
4
5
6
7
8
9
2-wire loop voltage
Feed resistance per leg
at pins AD and BD
ISUM current
IDIF current
Ternary input voltage boundaries for C2–C1 pins. Mid-
level input source must be high impedance or 3-state
Low boundary
High boundary
Logic inputs C2–C1
Input High current
Input Low current
3-state voltage
Logic inputs C5–C3
Input High voltage
Input Low voltage
Input High current
Input Low current
V
V
β, Ratio of V
voltage:
Thermal shutdown
threshold voltage output
on V
Gain from VLBIAS pin to
AD or BD pin
Input resistance to
AGND, VLBIAS pin
β
TX
REF
=
output offset
DC
------------------------------------
VDC VREF
input voltage
VSA VSB
A
= 0°C to 70°C unless otherwise noted.
Item
–
–
DC
to loop
Standby state, R
Active state, RL
IRSN = 140 µA
Disable state, RL
IRSN = 80 µA
Standby state
Standby state, R
Standby state
A to Q
B to ground
I
BAL1 pin open
IREF = ±1 mA
Tj < 145°C, V
to V
nected from V
VSA – VSB = 40 V.
I
VLBIAS = 3 V
C1
VDC
Table 2. ASLIC Device DC Specifications
= I
REF
= 20 µA
C2
BAT
, 35.7 kΩ resistor con-
Condition
= 1 µA
ASLIC/ASLAC Products
DC
DC
AD–BD
AD–BD
is referenced
L
L
to V
= 1 MΩ
= 1930 Ω
REF
= 600 Ω
= 600 Ω
.
Q
V
BAT
0.0253
19.51
11.34
Min
CC
–200
–400
35.4
43.4
5.58
130
44.6
–50
0.8
2.0
2.0
4.2
20
– 1.8
– 1
Q
V
BAT
0.0242
CC
12.19
Typ
21.1
33.3
250
–80
2.1
6.0
56
90
– 0.4
– 1.1
Q
BAT
0.0232
Max
22.68
13.04
6.42
375
200
200
+50
0.8
3.5
0.8
2.2
40
40
– 0.5
Unit
V/V
V/V
mV
µA
µA
kΩ
µA
Ω
V
V
V
V
V
Note
4
4
4
17