SI3230 SILABS [Silicon Laboratories], SI3230 Datasheet - Page 7

• Manufacturer Part Number: SI3230
• Manufacturer: SILABS [Silicon Laboratories]

Table 4. Linefeed Characteristics
(V
Parameter
Loop Resistance Range
DC Loop Current Accuracy
DC Open Circuit Voltage
Accuracy
DC Differential Output
Resistance
DC Open Circuit Voltage—
Ground Start
DC Output Resistance—
Ground Start
DC Output Resistance—
Ground Start
Loop Closure/Ring Ground
Detect Threshold Accuracy
Ring Trip Threshold
Accuracy
Ring Trip Response Time
Ring Amplitude
Ring DC Offset
DDA
, V
DDD
= 3.13 to 5.25 V, T
A
Figure 1. Overload Compression Performance
= 0 to 70°C for K-Grade, –40 to 85°C for B-Grade)
Output Power
Fundamental
Symbol
R
V
R
R
(dBm0)
R
R
V
OCTO
ROTO
LOOP
TOTO
DO
OS
TR
2.6
9
8
7
6
5
4
3
2
1
0
User Programmable Register 70
R
I
I
RING
I
LOOP
LIM
RING
Active Mode; V
Programmable in Indirect
Preliminary Rev. 0.96
and Indirect Register 36
5 REN load; sine wave;
1
= 29 mA, ETBA = 4 mA
<I
<I
I
I
Fundamental Input Power (dBm0)
Test Condition
THR
THR
= 160 Ω, V
2
LIM
TIP to ground
V
LIM
I
V
Register 19
LOOP
See note.*
TIP
; V
OC
; RING to ground
3
= 11.43 mA
= 40.64 mA
– V
RING
= 48 V
< I
4
RING
OC
LIM
BAT
wrt ground
5
= 48 V,
= –75 V
6
Acceptable
Region
7
8
Min
–10
150
–20
–10
–4
–4
44
—
—
—
0
0
9
Typ
160
160
—
—
—
—
—
—
—
—
—
—
Max
160
10
20
10
—
—
—
—
—
—
Si3230
4
4
Unit
V
kΩ
%
%
%
Ω
V
Ω
V
Ω
rms
V
7