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TEA1098ATV Fiches technique(PDF) 5 Page - NXP Semiconductors |
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TEA1098ATV Fiches technique(HTML) 5 Page - NXP Semiconductors |
5 / 40 page 2000 Mar 21 5 Philips Semiconductors Preliminary specification Speech and handsfree IC TEA1098A PINNING SYMBOL PIN DESCRIPTION TEA1098ATV TEA1098AH PD 1 38 power-down input (active LOW) MUTE 2 39 logic input (active LOW) BPC 3 40 logic input (active LOW) EVCI 4 41 logic input for digital volume control (earpiece and loudspeaker LSB) LVCI 5 42 logic input for digital volume control (loudspeaker MSB) n.c. − 43 not connected n.c. − 44 not connected HFRX 6 1 receive input for loudspeaker amplifier TNOI 7 2 transmit noise envelope timing adjustment TENV 8 3 transmit signal envelope timing adjustment TSEN 9 4 transmit signal envelope sensitivity adjustment RNOI 10 5 receive noise envelope timing adjustment RSEN 11 6 receive signal envelope sensitivity adjustment RENV 12 7 receive signal envelope timing adjustment DLC 13 8 dynamic limiter capacitor for the loudspeaker amplifier n.c. − 9 not connected VBB 14 10 stabilized supply for internal circuitry GALS 15 11 loudspeaker amplifier gain adjustment LSAO 16 12 loudspeaker amplifier output GND 17 13 ground reference SLPE 18 14 line current sense LN 19 15 positive line terminal REG 20 16 line voltage regulator decoupling IR 21 17 receive amplifier input AGC 22 18 automatic gain control/line loss compensation VDD 23 19 3.35 V regulated voltage supply for microcontrollers MICS 24 20 microphone supply STAB 25 21 reference current adjustment SWR 26 22 switching range adjustment n.c. − 23 not connected SWT 27 24 switch-over timing adjustment IDT 28 25 Idle mode timing adjustment TXO 29 26 handsfree microphone amplifier output GATX 30 27 handsfree microphone amplifier gain adjustment TXI 31 28 handsfree microphone amplifier input GNDTX 32 29 ground reference for microphone amplifiers MIC − 33 30 negative handset microphone amplifier input MIC+ 34 31 positive handset microphone amplifier input |
Numéro de pièce similaire - TEA1098ATV |
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Description similaire - TEA1098ATV |
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