HT9320
Symbol
Parameter
Test Conditions
V
DD
Conditions
Pulse rate=10pps. No resistor
is linked between R1 and C5
(HT9320A/B/C/K)
T
IDP
Inter-digit-pause
Time
¾
Pulse rate=10pps (HT9320H/L)
Pulse rate=10pps. A resistor
is linked between R1 and C5
(HT9320A/B/C/K)
Pulse rate=20pps
A resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=VSS (HT9320A)
T
M
Pulse Make
Duration
¾
M/B=VDD (HT9320H)
No resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=Floating (HT9320A)
M/B=VSS (HT9320H)
A resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=VSS (HT9320A)
T
B
pulse Break
Duration
¾
M/B=VDD (HT9320H)
No resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=Floating (HT9320A)
M/B=VSS (HT9320H)
T
KT
F
KTC
Keytone Duration
Keytone Carrier
¾
¾
Pulse mode (HT9320K)
Pulse mode (HT9320K)
¾
¾
34
1.2
¾
¾
ms
kHz
60 (10pps)
30 (20pps)
66 (10pps)
33 (20pps)
40 (10pps)
20 (20pps)
¾
¾
400
500
33 (10pps)
17 (20pps)
¾
¾
Min.
Typ.
Max. Unit
¾
800
¾
ms
¾
¾
ms
¾
¾
¾
¾
ms
¾
¾
Tone Mode Electrical Characteristics
Symbol
V
TDC
I
TOL
V
TAC
R
L
A
CR
Parameter
DTMF Output DC Level
DTMF Sink Current
DTMF Output AC Level
DTMF Output Load
Column Pre-emphasis
Test Conditions
V
DD
¾
¾
Conditions
¾
Row group, R
L
=5kW
f
OSC
=3.5795MHz, Ta=25°C
Min.
0.45V
DD
0.1
0.12
5
1
Typ.
¾
¾
0.155
¾
2
Max.
0.7V
DD
¾
0.18
¾
3
Unit
V
mA
Vrms
kW
dB
2.5V V
DTMF
=0.5V
2.5V THD£-23dB
2.5V Row group=0dB
10
July 21, 1999
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
