AN6167SB

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