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AN6426NK Dataheets PDF



Part Number AN6426NK
Manufacturers Panasonic Semiconductor
Logo Panasonic Semiconductor
Description Hands-free Speech Network IC
Datasheet AN6426NK DatasheetAN6426NK Datasheet (PDF)

ICs for Telephone AN6426NK Hands-free Speech Network IC s Overview The AN6426NK incorporates both speech network and hands-free functions. Its well designed block configuration allows realization of a hands-free telephone with a minimal number of components. 36.8±0.3 1 42 0.5±0.1 0.9±0.25 21 13.7±0.3 4.76±0.25 3 to 15° 15.3±0.25 0.3 – 0.05 +0.1 Unit : mm s Features • Incorporates all the functions required of a hands-free telephone. • Incorporates all the functions required of a handset. • Co.

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ICs for Telephone AN6426NK Hands-free Speech Network IC s Overview The AN6426NK incorporates both speech network and hands-free functions. Its well designed block configuration allows realization of a hands-free telephone with a minimal number of components. 36.8±0.3 1 42 0.5±0.1 0.9±0.25 21 13.7±0.3 4.76±0.25 3 to 15° 15.3±0.25 0.3 – 0.05 +0.1 Unit : mm s Features • Incorporates all the functions required of a hands-free telephone. • Incorporates all the functions required of a handset. • Complies with AC and DC impedance requirements. • Provides a wide dynamic range. • A noise detecting circuit prevents inadvertent transmission. • Operation on an external power supply is available. • Each mode can be easily controlled. • A built-in loudspeaker amplifier can operated either on line voltage or an external power supply. 22 0.96±0.25 4.5±0.25 SDIP package with 42 pins (SDIP042-P-0600A) s Block Diagram VL 38 37 – MA2 Vrl + 40 Vrl + 12 13 18 16 – + + – + – MA1 – VCC1 42 36 34 VCC2 29 6 5 35 GND 1 39 19 14 AP Buffer 15 Send 41 Power Regulator Power Regulator Power Regulator Matrix Circuit 33 32 VB TATT VB T Log Matrix Circuit 31 30 Vr1 20 21 22 23 AGC VCC1 17 24 28 VB 27 Vrl Rec Pre 11 AP Buffer – S.Amp + R Log Comp Attenator Control Vr1 – Rec.1 + – Rec.2 + Vr2 VB RATT Vr1 2 3 26 4 25 10 9 7 8 1 AN6426NK s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Symbol GND AGC SAO SAI Vr2 VPO RO1 RO2 RBO RPO RPI MAI1 MAO1 TL1 TLO ND1 ND2 TAI TAO ATC TAC Ground Loudspeaker amp. time constant Loudspeaker amp. output Loudspeaker amp. input Reference voltage (2) Loudspeaker amp. power supply Receiver output (1) Receiver output (2) Receiver buffer output Receiver preamp. output Receiver preamp. input MIC amp. input (1) MIC amp. output (1) Transmitter LOG amp. input Transmitter LOG amp. output Noise detection time constant (1) Noise detection time constant (2) Transmitter att. input Transmitter att. output Att. timing control Transmitter att. control Description Pin No. 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Symbol AC RAC RVR RAO RAI RLO RLI VCC2 Att. control ICs for Telephone Description Receiver att. control To receiver rheostat Receiver att. output Receiver att. input Receiver LOG amp. output Receiver LOG amp. input Supply voltage (2) Mute (R) Receiver mute HSu/SPu HS/HF switching Mute (S) Transmitter mute APC Vr1 VB VCC MAO2 MAO2 TSI S0 VL Auto. PAD control Reference voltage (1) Reference voltage Supply voltage (1) MIC amp. input (2) MIC amp. output (2) Transmitter signal input Transmitter output Line voltage MFI MF MF signal input 2 ICs for Telephone s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply voltage Supply current Power dissipation (Ta = 60˚C) Operating ambient temperature Storage temperature Symbol VL IL PD Topr Tstg Rating 14.4 120 1700 –20 to + 60 –55 to +150 AN6426NK Unit V mA mW ˚C ˚C Note) The IC must be used under the condition PD>VCC × ICC. s Recommended Operating Range (Ta=25˚C) Parameter Operating supply voltage range Symbol VL Range 3V to 12V s Electrical Characteristics (Ta=25˚C) Parameter Power Supply DC line voltage (1) DC line voltage (2) Int. supply voltage (1) Int. supply voltage (2) Int. regulated voltage (1) Int. regulated voltage (2) HSU Receiver Rec. gain Max. rec. level MF rec. gain MF max. rec. level AP (R) characteristics HSU Transmitter Trans. gain Max. trans. level MF trans. gain MF max. trans. level AP (S) characteristics SPU Receiver Att. rec. gain Att. trans. gain Loudspeaker amp. (1) Loudspeaker amp. (2) Loudspeaker amp. (3) Rheostat characteristics (1) GARR GART VOSP (1) VOSP (2) VOSP (3) VV 26 26 4 4 4 26 25 25 3 3 3 25 ni=–20dBm ni=–20dBm, I20=14µA T12–T11 Value VPO=3V, THD=5% VPO=5V, THD=5% VPO=7V, THD=5% V24=V35, ni=–20dBm, IL=60mA –6.5 –38 –10 –4 0 –28 –3.5 –33 –5 1 4 –25 –22 – 0.5 –28 dB dB dBm dBm dBm dBm GS VS GMS VMS DGS 37 37 40 40 37 42 42 42 42 42 ni=–25dBm nO=2.5dBm fi=1kHz, ni=–25dBm fi=1kHz, nO=1dBm Gain difference with ni=–25dBm as IL changes between 30 and 80mA 26 2.5 22 1 –6 29 5.5 25 4 –4 32 8.5 28 7 0 dB dBm dB dBm dB GR VR GMR VMR DGR VL (1) VL (2) VCC (1) VCC (2) VB (1) VB (2) Voltage at Pin42 with IL=20mA Voltage at Pin42 with IL=120mA Voltage at Pin36 with IL=20mA Voltage at Pin36 with IL=120mA Voltage at Pin35 with IL=20mA Voltage at Pin35 with IL=120mA input pin output pin Symbol Condition min 3.6 9.0 1.8 6.0 0.95 1.10 36 4 3 5 –8 typ 4.2 11.0 2.3 7.0 1.10 1.20 39 7 6 8 –6 max 5.2 12.0 2.8 9.0 1.35 1.45 42 10 9 11 –4 Unit V V V V V V dB dBm dB dBm dB 11 11 40 40 11 nO=4dBm fi=1kHz, 7, 8 ni=–25dBm fi=1kHz, 7, 8 nO=5dBm Gain difference with 7, 8 ni=–60dBm as IL changes between 30 and 80mA 7, 8 7, 8 ni=–60dBm 3 AN6426NK s Electrical Characteristics (cont.) (Ta=25˚C) Parameter Rheostat characteristics (2) LOG amp. linearity SPU Transmitter MIC amp. gain MIC amp. max. output Trans. gain Max. trans. level Att. trans. gain Att. rec. gain Idling LOG .


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