HT9170B(1999) Просмотр технического описания (PDF) - Holtek Semiconductor

Номер в каталоге

Компоненты Описание

производитель

HT9170B
(Rev.:1999)

DTMF Receiver

Holtek Semiconductor 

HT9170

Symbol

Parameter

IOH

IOL

fOSC

Source Current

(D0~D3, EST, DV)

Sink Current

(D0~D3, EST, DV)

System Frequency

Test Conditions

VDD

Conditions

5V VOUT=4.5V

Min. Typ. Max. Unit

-0.4 -0.8 ¾ mA

5V VOUT=0.5V

1.0 2.5 ¾ mA

5V Crystal=3.5795MHz 3.5759 3.5795 3.5831 MHz

A.C. Characteristics

fOSC=3.5795MHz, Ta=25°C

Symbol

Parameter

DTMF Signal

Test Conditions

VDD

Conditions

Min. Typ. Max. Unit

3V

Input Signal Level

5V

-36 ¾

-29 ¾

-6

dBm

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

¾ ¾ ±1.5 %

Frequency Deviation Rejection 5V

±3.5 ¾ ¾ %

Power Up Time (tPU)

(See Figure 4.)

5V

¾ 30 ¾ ms

Gain Setting Amplifier

RIN

IIN

VOS

PSRR

CMRR

AVO

Input Resistance

Input Leakage Current

Offset Voltage

Power Supply Rejection

Common Mode Rejection

Open Loop Gain

5V

¾

¾ 10 ¾ MW

5V VSS<(VVP,VVN)<VDD ¾ 0.1 ¾ mA

5V

¾

¾ ±25 ¾ mV

5V

100 Hz

5V -3V<VIN<3V

5V

¾ 60 ¾ dB

¾ 60 ¾ dB

¾ 65 ¾ dB

fT

Gain Band Width

VOUT Output Voltage Swing

5V

¾

5V RL>100kW

¾ 1.5 ¾ MHz

¾ 4.5 ¾ VPP

5

December 20, 1999

Share Link: