參數(shù)資料
型號(hào)： PCT1789N
英文描述： PCT303DL
中文描述： PCT303DL
文件頁(yè)數(shù)： 29/40頁(yè)
文件大小： 632K
代理商： PCT1789N
PC-TEL, Inc.
52
1789N0DOCDAT01A-0399
PCT1789N DATA SHEET
E
LECTRICAL
C
HARACTERISTICS
!
PRELIMINARY
PRELIMINARY
303DL Loop Characteristics
Given values are: V
A
= charge pump, V
D
= +3.3 V ± 0.3 V; T
A
= 0 °C to 70 °C for K-grade, –40 °C to +85 °C for
B-grade; refer to Figure 22 on page 59.
Table 19 303DL Loop Characteristics
303DL DC Characteristics
V
D
= 5V
Given values are: V
A
= +5 V ±5%; V
D
= +5 V ± 5%; T
A
= 0 °C to 70 °C for K-grade, –40 °C to +85 °C for B-grade.
Table 20 303DL DC Characteristics, V
D
= +5V
Parameter
DC termination voltage
Symbol
V
DCT
V
DCT
I
RDC
I
RDC
Z
ACT
I
LP
LCS
V
RD
F
R
I
LK
REN
REN
Test Condition
I
L
= 20mA
I
L
= 105mA
Min
Typ
Max
7.7
Unit
V
DC termination voltage
12
V
DC ring current (with Caller ID)
1
mA
DC ring current (without Caller ID)
20
μA
AC termination impedance
600
Operating loop current
20
105
mA
Loop current sense bits
Ring voltage detect
LCS = Fh
160
13
140
18
mA
V
RMS
Hz
26
Ring frequency
15
68
On-hook leakage current
V
BAT
= –48V
1
μA
Ringer equivalence number (with Caller ID)
Ringer equivalence number (without Caller ID)
1.0
0.2
1.67
Parameter
High-level input voltage
Symbol
V
IH
V
IL
V
OH
V
OL
I
L
I
A
I
D
Test Condition
Min
3.5
Typ
Max
Unit
V
Low-level input voltage
0.8
V
High-level output voltage
I
O
= –2mA
I
O
= +2mA
2.4
V
Low-level output voltage
0.4
V
Input leakage current
±10
μA
Power supply current, analog
V
A
pin
V
D
pin
0.3
1
mA
Power supply current, digital
a
a.
All inputs at 0.4 or V
D
– 0.4 (CMOS levels). All inputs held static except clock and all outputs unloaded
(Static I
OUT
= 0 mA).
RGDT is not functional in this state.
14
18
mA
Total supply current, sleep mode
a
Total supply current, deep sleep
a,b
1.3
2.5
mA
b.
0.5
mA
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