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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TEA1069 датащи(PDF) 31 Page - NXP Semiconductors |
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TEA1069 датащи(HTML) 31 Page - NXP Semiconductors |
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31 / 44 page  1998 Jan 08 31 Philips Semiconductors Product specification Versatile speech/dialler/ringer with music-on-hold TEA1069; TEA1069A CHARACTERISTICS Iline = 11 to 140 mA; VEE = 0 V; f = 1 kHz; VDD =3V; fxtal = 3.579545 MHz; Tamb =25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Speech part SUPPLIES LN AND VCC (PINS 40 AND 36) VLN voltage drop over circuit between LN and VEE MIC inputs open-circuit Iline =1mA − 1.6 − V Iline =4mA − 1.9 − V Iline = 15 mA 3.55 4.0 4.25 V Iline = 100 mA 4.9 5.7 6.5 V Iline = 140 mA −− 7.5 V ∆V LN/∆T variation with temperature Iline =15mA −−0.3 − mV/K VLN voltage drop over circuit between LN and VEE with external resistor RVA Iline =15mA RVA (LN to REG) = 68 kΩ− 3.5 − V RVA (REG to SLPE) = 39 kΩ− 4.5 − V ICC supply current VCC = 2.8 V − 0.9 1.35 mA VCC supply voltage available for peripheral circuitry Iline =15mA; MUTE = LOW Ip = 1.2 mA 2.2 2.7 − V Ip =0mA − 3.4 − V MICROPHONE INPUTS MIC − AND MIC+ (PINS 3 AND 4) Z i input impedance differential between MIC − and MIC+ − 64 − k Ω single-ended MIC − or MIC+ to V EE − 32 − k Ω CMRR common mode rejection ratio − 82 − dB Gv voltage gain MIC+ or MIC − to LN Iline = 15 mA; R7 = 68 kΩ 50.5 52.0 53.5 dB ∆G v(f) gain variation with frequency referenced to 800 Hz f = 300 and 3400 Hz −±0.2 − dB ∆G v(T) gain variation with temperature referenced to 25 °C without R6; Iline = 50 mA; Tamb = −25 to +70 °C −±0.2 − dB DTMF INPUT (PIN 7) Zi input impedance − 20.7 − k Ω Gv voltage gain from DTMF to LN Iline = 15 mA; R7 = 68 kΩ 24.0 25.5 27.0 dB ∆G v(f) gain variation with frequency referenced to 800 Hz f = 300 and 3400 Hz −±0.2 − dB ∆Gv(T) gain variation with temperature referenced to 25 °C Iline =50mA; Tamb = −25 to +70 °C −±0.2 − dB GAIN ADJUSTMENT INPUTS GAS1 AND GAS2 (PINS 41 AND 42) ∆Gv transmitting amplifier gain variation by adjustment of R7 between GAS1and GAS2 −8 − 0dB |
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