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TEA1062N-S16-R 데이터시트(PDF) 5 Page - Unisonic Technologies |
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TEA1062N-S16-R 데이터시트(HTML) 5 Page - Unisonic Technologies |
5 / 13 page TEA1062N/TEA1062AN LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 13 www.unisonic.com.tw QW-R108-011.C ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT DUAL-TONE MULTI-FREQUENCY INPUT DTMF (PIN 11) Input Impedance ∣ Zi∣ 20.7 k Ω Voltage Gain From DTMF to LN Gv ILINE =15mA, R7=68kΩ 24 25.5 27 dB Gain Variation With Frequency at f=300Hz and f=3400Hz ΔGvf w.r.t.800Hz ± 0.2 dB Gain Variation With Temperature at -25 °C and +75°C ΔGvT w.r.t.25 °C, ILINE =50mA ± 0.2 dB GAIN ADJUSTMENT GAS1 AND GAS2 (PINS 2 AND 3) Gain Variation Of The Ransmitting Amplifier By Varying R7 Between GAS1 And GAS2 ΔGv -8 0 dB ILINE =15mA, THD=10% 1.7 2.3 V Sending Amplifier Output LN (pin 1) Output Voltage VLN(rms) ILINE =4mA, THD=10% 0.8 V Noise Output Voltage VNO(rms) ILINE =15mA; R7=68kΩ; 200Ω between MIC- and MIC+; psophometrically weighted -69 dBmp RECEIVING AMPLIFIER INPUT IR (PIN 10) Input Impedance ∣ Zi∣ 21 k Ω RECEIVING AMPLIFIER OUTPUT QR (PIN 4) ∣ ZO∣ 4 Ω Output Impedance Voltage Gain From IR To QR Gv ILINE =15mA; RL(from pin 9 to pin 4 )=300 Ω 29.5 31 32.5 dB Gain Variation With Frequency at f=300Hz and f=3400Hz ΔGvf w.r.t.800Hz ±0.2 dB Gain Variation With Temperature at-25 °C and +75°C ΔGvT w.r.t.25 °C without R6 ILINE =50mA ±0.2 dB RL=150 Ω 0.22 0.33 V THD=2% sinwave drive, Ip=0mA, R4=100k Ω; ILINE =15mA RL=450 Ω 0.3 0.48 V Output Voltage THD=10% VO(rms) R4=100k Ω ILINE =4mA RL=150 Ω 15 mV Noise Output Voltage VNO(rms) ILINE=15mA, R4=100kΩ, IR open – circuit psophometrically weighted RL=300 Ω 50 μV GAIN ADJUSTMENT GAR (PIN 5) Gain Variation Of Receiving Amplifier Achievable By Varying R4 Between GAR And QR ΔGv -11 0 dB MUTE INPUT (PIN 12) Input Voltage(HIGH) VIH 1.5 VCC V Input Voltage(LOW) VIL 0.3 V Input Current IMUTE 8 15 μA REDUCTION OF GAIN TEA1062N MUTE=HIGH MIC+ Or MIC- To LN TEA1062AN ΔGv MUTE=LOW 70 dB Voltage Gain From DTMF To QR Gv R4=100k Ω, RL=300Ω -19 dB |
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