參數(shù)資料
型號(hào): DS2187
英文描述: Receive Line Interface
中文描述: 接收線路接口
文件頁數(shù): 7/10頁
文件大?。?/td> 129K
代理商: DS2187
DS2187
7 of 10
ANALOG ELECTRICAL CHARACTERISTICS
PARAMETER
(0
°
C to 70
°
C; V
DD
= 5.0V ± 5%)
TYP
MAX
SYMBOL
MIN
UNITS
NOTES
Clock Acquisition
t
LOCK
50
ms
1
RTIP, RRING Minimum
Sensitivity
V
THRES
.4
.6
V
pk
2
FLL Loop Bandwidth
f
BW
50
Hz
3
Capture Range
f
CAP
± 6
%
4
Input Jitter Tolerance
J
IN
200
UI
5
NOTES:
1.
Time from reappearance of a valid signal at RPOS and RNEG to a LOCK=1.
2.
Minimum peak voltage necessary for proper processing of signal.
3.
Loop bandwidth when in lock (LOCK=1).
4.
When out of lock (LOCK=0), measured as a percent of incoming clock frequency.
5.
Maximum input jitter in unit intervals at 10 Hz.
CAPACITANCE
PARAMETER
(T
A
= 25
°
C)
UNITS
SYMBOL
MIN
TYP
MAX
NOTES
Input Capacitance
C
IN
5
pF
Output Capacitance
C
OUT
7
pF
AC ELECTRICAL CHARACTERISTICS
PARAMETER
RCLK Period
RCLK Period
RCLK Pulse Width
(0
°
C to 70
°
C; V
DD
= 5.0V ± 5%)
TYP
MAX
648
702
488
530
324
SYMBOL
t
RCLK
t
RCLK
t
RWH
,
t
RWL
t
RWH
,
t
RWL
t
R,
t
F
t
PRD
MIN
594
445
UNITS
ns
ns
ns
NOTES
1,3
2,3
1
RCLK Pulse Width
244
ns
2
RCLK Rise and Fall Times
Propagation delay RCLK TO
RPOS, RNEG
Propagation delay RCLK to
BPV, RCL, AIS
RAIS
Setup
20
75
ns
ns
t
PRA
75
ns
t
SU,
t
HD
50
ns
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