AN6167S, AN6167SB Cordless Telephone Speech Network IC ■ Overview Unit : mm AN6167S 0.1±0.1 to make level and frequency adjustments easier. • The standby circuit provides for a low-power consumption 0.3 cordless telephone. • The expander has a 6-dB amplifier to allow received-signal amplificaition. • SOP package with 1.27mm pitch pins, and USO package with 0.8mm pitch pins. 17.81±0.3 0.15 1.27 ■ Features • The compressor/expander circuit incorporates preamplifiers 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0.925 2.0±0.2 0.4±0.25 0.45 The AN6167S and AN6167SB are speech network ICs for the handset of a cordless telephone. They incorporate compander, MIC, and receiver amplifiers. With a minimal number of external components, they can perform all the functions of the handset of a cordless telephone featuring low radio-transmission noise. 7.2±0.3 9.4±0.3 SOP package with 28 pins (SOP028-P-0375A) Unit : mm (0.45) AN6167SB 28 0.8 11.6±0.3 0.3±0.1 1 0.15 0.9 0.1±0.1 0.3 7.2±0.3 9.3±0.3 2.0±0.2 15 14 SSOP package with 28 pins (SSOP028-P-0375) ■ Block Diagram VCC EPI EPN 28 27 26 EPO ECCA EDET EOUT EREF VREF STC STBV DG 25 24 23 22 21 20 19 18 17 RIN GNDG 16 15 DET VRE – +E D6dB – + CCA POWER STBY REC + – REC CCA + – + –C VRC VRR 11 12 DET 1 2 GNDC CPI 3 CPN 4 5 6 7 CPO CCCA CDET CIN 8 9 10 13 14 COR COUT CPC CREF RREF RO –2 RO –1 ■ Absolute Maximum Ratings (Ta=25˚C) Symbol Rating Supply voltage Parameter VCC 7.5 Unit V Input supply voltage Vin – 0.3 to VCC + 0.3 V Output supply voltage Vout – 0.3 to VCC + 0.3 V Power dissipation (Ta = 75˚C) PD 280 Operating ambient temperature Topr –20 to + 75 ˚C Storage temperature Tstg –55 to +150 ˚C mW ■ Recommended Operating Range (Ta=25˚C) Parameter Symbol Range VCC 2 to 5V Operating supply voltage range ■ Electrical Characteristics (Ta=25˚C) Parameter Symbol Condition min typ max Unit Compressor RA/RB=51kΩ/5.1kΩ, Vin=–40dBV RA/RB=51kΩ/5.1kΩ, THD=5%, RL=1kΩ VIRC=–20dBV (Ref. output) Preamplifier voltage gain GPC Preamplifier output voltage VPC Reference output VORC ∆ Gain (1) ∆C1 ∆ Gain (2) ∆C2 Vin=VIRC–20dB, ∆C1=VORC–VOC1 Vin=VIRC–40dB, ∆C2=VORC–VOC2 Distortion THDC Vin=–20dBV Maximum output voltage VOCM Output noise voltage VNOC THD=5%, RL=1kΩ Rg=2kΩ with a CCITT filter 20 21 –10 –7 –13 –11 –9 dBV –11 –10 –9 dB –22 –20 –19 dB 0.5 1 –10 22 dB dBV –7 % dBV –64 –56 dBV 20 21 22 dB –10 –7 –32 –29 –26 dBV –21 –20 –19 dB –41.5 –40 –38.5 dB 0.5 1 Expander ∆ Gain (1) ∆E1 ∆ Gain (2) ∆E2 Distortion THDE RA/RB=51kΩ/5.1kΩ, Vin=–40dBV RA/RB=51kΩ/5.1kΩ, THD=5%, RL=1kΩ VIRE=–20dBV (Ref. output) Vin=VIRC–10dB, ∆E1=VORE–VOE1 Vin=VIRC–20dB, ∆E2=VORE–VOE2 Vin=–20dBV Maximum output voltage VOFM THD=5%, RL=1kΩ Output noise voltage VNOE Rg=2kΩ with a CCITT filter Receiver amp. gain ∆GE Pin17 ON [GND] Receiver voltage characteristics GVR Maximum output voltage VOEM Current consumption Receiver voltage characteristics Preamplifier voltage gain GPE Preamplifier output voltage GPE Reference output VORE –10 dBV –7 % dBV –95 –90 dBV 4 6 8 dB Vin=–30dB, RL=1kΩ 18 20 22 THD=5%, RL=1kΩ 2 5 ICC VCC=3V, no signal 3 5 8 mA ISC Standby pin (H) 1 10 µA Receiver amplifier dB dBV Power supply ■ Pin Descriptions Pin No. Symbol 1 GNDC Description Pin No. Symbol Compander GND 15 GNDR Description REC GND 2 CPI COMP preamp. input (+) 16 RIN REC external signal input 3 CPN COMP preamp. input (–) 17 DG REC 6-dB amplification 4 CPO COMP preamp. output 18 STBY 5 CCCA COMP-CCA input 19 STC Standby adjustment 6 CDET COMP detection 20 VREF Compander VREF 7 CIN COMP signal input 21 EREF EXP-VREF 8 COR COMP output VREF 22 EOUT EXP output Standby 9 COUT COMP output 23 EDET EXP detection 10 CPC COMP phase adjustment 24 ECCA EXP-CCA input 11 CREF COMP-VREF 25 EPO EXP preamp. output 12 RREF REC-VREF 26 EPN EXP preamp. input (–) 13 RO–2 REC output (2) 27 EPI EXP preamp. input (+) 14 RO–1 REC output (1) 28 VCC Supply voltage ■ Application Circuit 5.1kΩ 28 27 26 25 24 23 22 21 + + 20 19 10µF 10µF + 33µF 1kΩ + 10µF + 2.2µF 10µF + 51kΩ 1µF 1kΩ 1µF + + 18 17 16 15 DET – +E VRE D6dB REC CCA POWER – + STBY + – REC CCA + – + C – VRC VRR 11 12 DET 1 2 3 4 5 6 7 8 9 10 1kΩ 10µF + + 22µF 5.1kΩ 2.2µF + + 10µF 51kΩ 1µF 1kΩ 180pF + + + + 100µF 3V REC IN ECCA IN EP IN COMP IN 10µF CP IN 10µF 1kΩ 13 14