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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TAS2781RYYR датащи(PDF) 6 Page - Texas Instruments |
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TAS2781RYYR датащи(HTML) 6 Page - Texas Instruments |
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6 / 90 page  TA = 25 °C, PVDDH = 18 V, PVDDL= 3.8 V, AVDD = 1.8 V, IOVDD =1.8 V, RL = 4Ω + 15µH, fin = 1 kHz, fs = 48 kHz, Gain = 21 dBV, SDZ = 1, NG_EN=0, EN_LLSR=0, PWR_MODE1, Measured filter free as in Section 7 (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIL(SDZ) Low-level digital input logic voltage threshold SDZ 0.3 x AVDD V VIH(1P8V) High-level digital input logic voltage threshold ICC, NC_SCLK 0.7xNC_V1P 8V V VIL(1P8V) Low-level digital input logic voltage threshold ICC, NC_SCLK 0.3 x NC_V1P8 V V VOH High-level digital output voltage SDOUT; IOH = 100 µA. IOVDD–0.2 V V VOL Low-level digital output voltage SDOUT; IOH = 100 µA. 0.2 V VOL(I2C) Low-level digital output voltage SDA_SDI; IOL = -1 mA. 0.2 x IOVDD V VOH(1P8V) High-level digital output voltage NC_SDO 0.8xNC_V1P 8V V VOL(1P8V) Low-level digital output voltage NC_SDO 0.2xNC_ V1P8V V IIH Input logic-high leakage for digital inputs All digital pins; Input = Supply Rail. –1 1 µA IIL Input logic-low leakage for digital inputs All digital pins; Input = GND. –1 1 µA CIN Input capacitance for digital inputs All digital pins 5 pF RPD Pull down resistance for IO pins when asserted on 18 kΩ ROS OUT to VSNS resistors Load disconnected 10 kΩ IO Output Current Strength Measured at 0.4 V below supply and 0.4 V above GND. 8 mA AMPLIFIER PERFORMANCE POUT Peak Output Power THD+N = 10 %, PWR_MODE0(1), PWR_MODE1(2) 30 W Maximum Continuous Output Power THD+N = 1 %, PVDDL = 5 V, PWR_MODE0, PWR_MODE1 25 System Efficiency POUT = 1W, PVDDL = 5 V, PWR_MODE1 84 % POUT = 1 W, PVDDL = 5 V, PWR_MODE0 79 POUT = 3 W, PVDDL = 5 V, PWR_MODE0 and PWR_MODE1 85 POUT = 8 W, PVDDL = 5 V, PWR_MODE0 and PWR_MODE1 88 THD+N Total Harmonic Distortion and Noise POUT = 1 W, fin = 1 kHz -84 dB POUT = 1 W, fin = 6.667 kHz -84 IMD Inter-Modulation Distortion ITU-R, 19 kHz / 20 kHz, 1:1: 12.5 W -83 dB VN Idle Channel Noise A-Weighted, 20 Hz - 20 kHz, PWR_MODE0 42 µV A-Weighted, 20 Hz - 20 kHz, PWR_MODE2 (3) 34 A-Weghted, 20 Hz - 20 kHz, PWR_MODE1 32 Idle Channel Noise with Ultrasonic Chirp (100 us duty cycle, 25 ms period) A-Weghted, 20 Hz - 20 kHz, PWR_MODE3 (4), 1 VPeak, Register 0x73 set to E0h 34 FPWM Class-D PWM Switching Frequency Average frequency in Spread Spectrum Mode, CLASSD_SYNC=0 384 kHz Fixed Frequency Mode, CLASSD_SYNC=0 384 Fixed Frequency Mode, CLASSD_SYNC=1, fs = 44.1 kHz and 88.2 kHz 352.8 Fixed Frequency Mode, CLASSD_SYNC=1, fs = 48 kHz and 96 kHz 384 VOS Output Offset Voltage Idle Mode -1.3 ±0.3 1.3 mV TAS2781 SLOSE86B – JULY 2022 – REVISED JULY 2023 www.ti.com 6 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: TAS2781 |
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