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KA8603

Samsung
Part Number KA8603
Manufacturer Samsung
Description UNIVERSAL SPEECH NETWORK
Published Apr 25, 2005
Detailed Description KA8603 UNIVERSAL SPEECH NETWORK INTRODUCTION 16-DIP-300A The KA8603 can fulfill the standards of other countries by ch...
Datasheet PDF File KA8603 PDF File

KA8603
KA8603

Overview
KA8603 UNIVERSAL SPEECH NETWORK INTRODUCTION 16-DIP-300A The KA8603 can fulfill the standards of other countries by changing the external component.
Dynamic or piezoelectric type can be used with receiver.
Each gain is controlled with AGC in accordance with the line current.
The KA8603 can be operated down to D.
C line 1.
6V.
FEATURES • Independent adjustment of DC resistance and AC impedance.
• ECM or dynamic microphone can be used.
• DTMF signal interface.
• Mute function • Operates at the low line voltage (1.
6V) • Low or high impedance receiver type can be used.
• Low line current operation.
(IL = 4mA) 16-SOP-225 ORDERING INFORMATION Device KA8603 KA8603D Package 16-DIP-300A 16-SOP-225 Operating Temperature - 25°C ~ + 75°C BLOCK DIAGRAM Vcc 13 MUTE 12 INVERTER VL 1 5 RXI RXI 10 4 RX AMP MXI RXGA RXO 2 MICMIC+ 6 7 ATTENU ATOR BIAS & REFERENCE DTMF AMP MIC AMP TX AMP TXGA1 MF 11 AGC BAND GAP REF 3 16 RDC 9 GND 8 CST 14 VST 15 AGC TXGA2 KA8603 UNIVERSAL SPEECH NETWORK PIN CONFIGURATION VL TXGA1 TXGA2 RXO RXGA MICMIC+ CST 1 2 3 4 5 6 7 8 16 15 14 RDC AGC VST Vcc MUTE MF RXI GND KA8603 13 12 11 10 9 PIN DESCRIPTION Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VL TXGA1 TXGA2 RXO RXGA MICMIC+ CST GND RXI MF MUTE VCC VST AGC RDC Symbol Description Positive power line and TX Amp output TX gain adjustment TX gain adjustment RX output RX gain adjustment Mic(-) input Mic(+) input Current stabilizer Ground RX input DTMF Input Mute ‘ High’: DTMF mode, Mute ‘ Low’: speech mode Internal power supply pin Voltage stabilizer Automatic gain control DC Resistance control KA8603 UNIVERSAL SPEECH NETWORK ABSOLUTE MAXIMUM RATINGS Characteristic Line Voltage Line Current Surge Line Current Power Dissipation Operating Temperature Storage Temperature Symbol VL IL IL(SURGE) PD T ORP T STG Value 15 150 200 1.
0 - 25 ∼ 75 - 55 ∼ 150 Unit V mA mA W °C °C ELECTRICAL CHARACTERISTICS (Ta = 25°C, f = 1KHz, IL = 15mA, unless otherwise noted) Characteristic Symbol IL ...


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