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MC34119P bảng dữ liệu(PDF) 3 Page - Freescale Semiconductor, Inc |
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MC34119P bảng dữ liệu(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 12 page MC34119 3 MOTOROLA ANALOG IC DEVICE DATA PIN FUNCTION DESCRIPTION Symbol Pin Description CD 1 Chip Disable – Digital input. A Logic “0” (<0.8 V) sets normal operation. A logic “1” ( ≥2.0 V) sets the power down mode. Input impedance is nominally 90 k Ω . FC2 2 A capacitor at this pin increases power supply rejection, and affects turn–on time. This pin can be left open if the capacitor at FC1 is sufficient. FC1 3 Analog ground for the amplifiers. A 1.0 µF capacitor at this pin (with a 5.0 µF capacitor at Pin 2) provides (typically) 52 dB of power supply rejection. Turn–on time of the circuit is affected by the capacitor on this pin. This pin can be used as an alternate input. Vin 4 Amplifier input. The input capacitor and resistor set low frequency rolloff and input impedance. The feedback resistor is connected to this pin and VO1. VO1 5 Amplifier Output #1. The dc level is ≈ (VCC – 0.7 V)/2. VCC 6 DC supply voltage (+2.0 V to +16 V) is applied to this pin. GND 7 Ground pin for the entire circuit. VO2 8 Amplifier Output #2. This signal is equal in amplitude, but 180 ° out–of–phase with that at VO1. The dc level is ≈ (VCC – 0.7 V)/2. TYPICAL TEMPERATURE PERFORMANCE (–20 ° C < TA < +70°C) Function Typical Change Units Input Bias Current (@ Vin) ±40 pA/ °C Total Harmonic Distortion +0.003 %/ °C (VCC = 6.0 V, RL = 32 Ω. Pout = 125 mW, f = 1.0 kHz) Power Supply Current µA/°C (VCC = 3.0 V, RL = ∞, CD = 0 V) –2.5 (VCC = 3.0 V, RL = ∞, CD = 2.0 V) –0.03 |
Số phần tương tự - MC34119P |
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Mô tả tương tự - MC34119P |
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