HT9320 データシートの表示（PDF） - Holtek Semiconductor
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HT9320 Datasheet PDF : 29 Pages
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HT9320 Series
Symbol
Parameter
TIDP
Inter-digit-pause Time
TM
Pulse Make Duration
TB
Pulse Break Duration
TKT
FKTC
Keytone Duration
Keytone Carrier
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
Pulse rate=10pps. No resistor
is linked between R1 and C5
(HT9320A/B/C/K)
¾
800
¾
Pulse rate=10pps (HT9320H/L)
¾
ms
Pulse rate=10pps. A resistor
is linked between R1 and C5 ¾
400
¾
(HT9320A/B/C/K)
Pulse rate=20pps
¾
500
¾
A resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=VSS (HT9320A)
¾
33 (10pps)
17 (20pps)
¾
M/B=VDD (HT9320H)
¾
ms
No resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=Floating (HT9320A)
¾
40 (10pps)
20 (20pps)
¾
M/B=VSS (HT9320H)
A resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=VSS (HT9320A)
¾
66 (10pps)
33 (20pps)
¾
M/B=VDD (HT9320H)
¾
ms
No resistor is linked between
R2 and C1 (HT9320B/C/K/L)
M/B=Floating (HT9320A)
¾
60 (10pps)
30 (20pps)
¾
M/B=VSS (HT9320H)
¾ Pulse mode (HT9320K)
¾
34
¾ ms
¾ Pulse mode (HT9320K)
¾
1.2
¾ kHz
Tone Mode Electrical Characteristics
Symbol
Parameter
VTDC
ITOL
VTAC
RL
DTMF Output DC Level
DTMF Sink Current
DTMF Output AC Level
DTMF Output Load
Test Conditions
VDD
Conditions
¾
¾
2.5V VDTMF=0.5V
¾ Row group, RL=5kW
2.5V THD£-23dB
ACR
THD
TTMIN
Column Pre-emphasis
Tone Signal Distortion
Minimum Tone Duration
2.5V Row group=0dB
2.5V RL=5kW
¾ Auto-redial
TITPM Minimum Inter-tone Pause
¾ Auto-redial
THD (Distortion) (dB) = 20 log ( V12 + V22 +K Vn2 / Vi2 + Vh2 )
Vi, Vh: Row group and column group signals
V1, V2, ... Vn: Harmonic signals (BW=300Hz~3500Hz)
fOSC=3.5795MHz, Ta=25°C
Min. Typ. Max. Unit
0.45VDD ¾ 0.7VDD V
0.1
¾
¾
mA
0.12 0.155 0.18 Vrms
5
¾
¾
kW
1
2
3
dB
¾
-30 -23
dB
¾ 82.5 ¾
ms
¾ 85.5 ¾
ms
Rev. 1.10
8
October 1, 2002
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