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TDA7052BT Datasheet(PDF) 5 Page - NXP Semiconductors |
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TDA7052BT Datasheet(HTML) 5 Page - NXP Semiconductors |
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5 / 16 page  1997 Aug 15 5 Philips Semiconductors Product specification Mono BTL audio amplifier with DC volume control TDA7052B CHARACTERISTICS VP =6V; VDC = 1.4 V; f = 1 kHz; RL =8 Ω; Tamb =25 °C; unless otherwise specified (see Fig.13). Notes 1. With a load connected to the outputs the quiescent current will increase, the maximum value of this increase being equal to the DC output offset voltage divided by RL. 2. The noise output voltage (RMS value) at f = 500 kHz is measured with RS =0 Ω and B = 5 kHz. 3. The ripple rejection is measured with RS =0 Ω and f = 100 Hz to 10 kHz. The ripple voltage VR of 200 mV (RMS value) is applied to the positive supply rail. 4. The noise output voltage (RMS value) is measured with RS =5kΩ unweighted. 5. The DC volume control can be configured in several ways. Two possible circuits are shown in Figs 14 and 15. The circuits at the volume control pin will influence the switch-on and switch-off behaviour and the maximum voltage gain. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VP supply voltage 4.5 − 18 V Iq(tot) total quiescent current note 1; RL = ∞− 9.2 13 mA Maximum gain (V4 = 1.4 V) PO output power THD = 10% TDA7052B 0.9 1.0 − W TDA7052BT 0.5 0.55 − W THD total harmonic distortion TDA7052B PO = 0.5 W − 0.3 1 % TDA7052BT PO = 0.25 W − 0.3 1 % Gv(max) maximum total voltage gain 39.5 40.5 41.5 dB VI input signal handling (RMS value) Gv(max) = 0 dB; THD < 1% 1.0 −− V Vno noise output voltage (RMS value) note 2; f = 500 kHz − 210 −µV B bandwidth at −1dB − 0.02 to 300 − kHz SVRR supply voltage ripple rejection note 3 48 60 − dB ∆V O DC output offset voltage V8 − V5− 0 200 mV ZI input impedance (pin 3) 15 20 25 k Ω Mute position VO output voltage in mute position note 4; V4 ≤ 0.4 V; VI = 1.0 V −− 30 µV DC volume control; note 5 φ gain control 68 73.5 − dB I4 control current V4 =0V −20 −25 −30 µA |
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