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TEA0676T Folha de dados(PDF) 6 Page - NXP Semiconductors |
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TEA0676T Folha de dados(HTML) 6 Page - NXP Semiconductors |
6 / 20 page 1997 Oct 07 6 Philips Semiconductors Product specification Dual pre-amplifier and equalizer for reverse tape decks TEA0676T CHARACTERISTICS VCC = 10 V; RL =10kΩ; CL = 2.5 nF; Tamb =25 °C; Vo = 0 dB means 387.5 mV at output; all levels are referenced to 387.5 mV with 0 dB as standard; EQ switch in 70 µs position; unless otherwise specified; see notes 1 and 2. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VCC supply voltage (pin 5) 7.6 10.0 12.0 V ICC supply current − 10 13 mA THD total harmonic distortion f = 1 kHz; Vo =0dB − 0.08 0.15 % f = 10 kHz; Vo =6dB − 0.15 0.3 % HR headroom at output VCC = 7.6 V; THD = 1%; f=1kHz 12 −− dB PSRR power supply ripple rejection VR(rms) < 0.25 V; f = 1 kHz − 50 − dB α cs channel separation selective measurement; f = 1 kHz; Vo =10dB 57 63 − dB α m channel matching selective measurement; f = 1 kHz; Vo =0dB −0.5 − +0.5 dB α ct crosstalk between active and inactive input selective measurement; f = 1 kHz; Vo =10dB 70 77 − dB signal plus noise-to-noise ratio (RMS value) unweighted; f = 20 Hz to 20 kHz; Rs =0 Ω; internal gain 40 dB; linear; see Fig.13 67 73 − dB Vno(rms) equivalent input noise voltage (RMS value) unweighted; f = 20 Hz to 20 kHz; Rs =0 Ω − 0.8 −µV Gv voltage gain of pre-amplifier from pin INA1 or INA2 to pin EQINA and from pin INB1 or INB2 to pin EQINB 29 30 31 dB Av open-loop amplification pin INA1 to pin OUTA and pin INB1 to pin OUTB f = 10 kHz 80 86 − dB f = 400 Hz 104 110 − dB REQ equalization resistor 4.7 5.8 6.9 k Ω ZI input impedance pre-amplifier 60 100 − k Ω ZO output impedance EQ-amplifier − 80 100 Ω RL output load resistance 10 −− k Ω CL output load capacitance 0 − 10 nF Voffset(DC) input offset voltage pins INA1, INA2, INB1 and INB2 connected to Vref − 2 − mV IO(GND) DC current capability output to ground −2 −− mA IO(VCC) DC current capability output to VCC 300 −− µA EMC DC offset voltage at pins 1 and 16 f = 900 MHz; Vi = 6 V (RMS); see Figs 12, 14 and 15 − 50 − mV SN + N -------------- |
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