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HT9170 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT9170
Description  DTMF Receiver
PDF  12 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT9170 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
VDD
Conditions
IOH
Source Current
(D0~D3, EST, DV)
5V VOUT=4.5V
-0.4
-0.8
¾
mA
IOL
Sink Current
(D0~D3, EST, DV)
5V VOUT=0.5V
1.0
2.5
¾
mA
fOSC
System Frequency
5V Crystal=3.5795MHz 3.5759 3.5795 3.5831 MHz
A.C. Characteristics
fOSC=3.5795MHz, Ta=25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
DTMF Signal
Input Signal Level
3V
-36
¾-6
dBm
5V
-29
¾
1
Twist Accept Limit (Positive)
5V
¾
10
¾
dB
Twist Accept Limit (Negative)
5V
¾
10
¾
dB
Dial Tone Tolerance
5V
¾
18
¾
dB
Noise Tolerance
5V
¾-12
¾
dB
Third Tone Tolerance
5V
¾-16
¾
dB
Frequency Deviation
Acceptance
5V
¾¾
±1.5
%
Frequency Deviation Rejection 5V
±3.5
¾¾
%
Power Up Time (tPU)
(See Figure 4.)
5V
¾
30
¾
ms
Gain Setting Amplifier
RIN
Input Resistance
5V
¾¾
10
¾
MW
IIN
Input Leakage Current
5V VSS<(VVP,VVN)<VDD ¾
0.1
¾mA
VOS
Offset Voltage
5V
¾¾
±25
¾
mV
PSRR
Power Supply Rejection
5V
100 Hz
-3V<VIN<3V
¾
60
¾
dB
CMRR Common Mode Rejection
5V
¾
60
¾
dB
AVO
Open Loop Gain
5V
¾
65
¾
dB
fT
Gain Band Width
5V
¾¾
1.5
¾
MHz
VOUT Output Voltage Swing
5V RL>100kW¾
4.5
¾
VPP
HT9170
5
December 20, 1999



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