HT9032
A.C. Characteristics
-
FSK Detection
V
SS
=0V, Crystal=3.58MHz, Ta=0 to 70°C, 0dBm=0.7746Vrms @ 600W
Symbol
Parameter
Input Sensitivity: TIP,
RING
S/N
Signal to Noise Ratio
Band Pass Filter
60Hz
550Hz
2700Hz
3300Hz
Carrier Detect Sensitivity
t
DOSC
t
SUPD
t
DAQ
t
DCH
Oscillator Start Up Time
Power Up to FSK Signal
Set Up Time
Carrier Detect
Acquisition Time
End of Data to Carrier
Detect High
Test Conditions
V
DD
5V
5V
Frequency Response
Relative to 1700Hz @
0dBm
Conditions
Min.
-40
¾
Typ.
-45
20
-64
-4
-3
-34
-48
2
¾
14
¾
Max.
¾
¾
Unit
dBm
dB
5V
¾
¾
dB
5V
5V
5V
5V
5V
¾
¾
¾
¾
¾
¾
15
¾
8
¾
¾
¾
¾
¾
dBm
ms
ms
ms
ms
2 S e c
0 .5 S e c
R in g S ig n a l
t
D
R T IM E
0 1 0 1 0 1 ..
1
D A T A
0 .5 S e c
O S C
R D E T
t
S
P D W N
U P D
C D E T
t
D
A Q
t
D
R a w D A T A
C H
D O U T
D O U T C
C o o k e d D A T A
X 1
3 .5 8 M H z
6
April 6, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
