參數(shù)資料
型號: Si3232
廠商: Electronic Theatre Controls, Inc.
英文描述: DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
中文描述: 兩個可編程的CMOS用戶接口與在線監(jiān)測
文件頁數(shù): 10/128頁
文件大小: 2327K
代理商: SI3232
Si3232
10
Preliminary Rev. 0.96
Table 5. Linefeed Characteristics
(V
DD
, V
DD1
–V
DD4
=
3.13 to 3.47 V, T
A
=
0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
DC Loop Current Accuracy
I
LIM
= 18 mA
±10
%
DC Open Circuit Voltage
Accuracy
Active Mode; V
OC
= 48 V,
V
TIP
– V
RING
±4
V
DC Differential Output
Resistance
R
DO
I
LOOP
< I
LIM
320
DC On-Hook Voltage
Accuracy—Ground Start
V
OHTO
I
RING
<I
LIM
; V
RING
wrt ground
V
RING
= –51 V
±4
V
DC Output Resistance—
Ground Start
R
ROTO
I
RING
<I
LIM
; RING to ground
320
DC Output Resistance—
Ground Start
R
TOTO
TIP to ground
300
k
Loop Closure Detect
Threshold Accuracy
I
THR
= 13 mA
±10
±15
%
Ground Key Detect
Threshold Accuracy
I
THR
= 13 mA
±10
±15
%
Ring Trip Threshold
Accuracy
ac Detection, V
RING
= 70 V
PK
,
I
TH
= 80 mA
dc detection,
20 V dc offset, I
TH
= 13 mA
Open circuit, V
BATH
= 100 V
5 REN load, R
LOOP
= 0
,
V
BATH
= 100 V
±4
±5
mA
±1.5
±2
mA
Ringing Amplitude*
V
RING
93
82
V
PK
V
PK
Sinusoidal Ringing Total
Harmonic Distortion
R
THD
2
%
Ringing Frequency Accuracy
f = 16 Hz to 100 Hz
±1
%
Ringing Cadence Accuracy
Accuracy of ON/OFF times
±50
ms
Calibration Time
CAL to
CAL bit
600
ms
Loop Voltage Sense
Accuracy
Accuracy of boundaries for each
output Code;
V
TIP
– V
RING
= 48 V
±2
±4
%
Loop Current Sense
Accuracy
Accuracy of boundaries for each
output code;
I
LOOP
= 18 mA
±7
±10
%
Power Alarm Threshold
Accuracy
Power Threshold = 300 mW
±25
%
*Note:
Ringing amplitude is set for 93 V peak using the RINGAMP RAM address and measured at TIP-RING using no series
protection resistance.
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