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SSM3302ACPZ-R7 数据表(PDF) 5 Page - Analog Devices |
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SSM3302ACPZ-R7 数据表(HTML) 5 Page - Analog Devices |
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5 / 20 page ![]() Data Sheet SSM3302 Rev. 0 | Page 5 of 20 Parameter Symbol Test Conditions/Comments Min Typ Max Unit ISYAVDD VIN = 0 V, load = 8 Ω + 68 μH, PVDD = 15 V, VREGEN = AGND (internal VREG disabled) 5.85 mA VIN = 0 V, load = 8 Ω + 68 μH, PVDD = 12 V, VREGEN = AGND (internal VREG disabled) 5.8 mA VIN = 0 V, load = 8 Ω + 68 μH, PVDD = 7 V, VREGEN = AGND (internal VREG disabled) 5.6 mA Shutdown Current ISD SD = AGND 10 μA ANALOG SUPPLY External Supply Voltage AVDD Permissible range for external AVDD, VREGEN = AGND 4.5 5.5 V On-Board Regulator VVREG 5 V Regulator Current IVREG 20 mA Regulator Power Supply Rejection PSRRVREG 70 dB GAIN CONTROL Closed-Loop Voltage Gain AV See Table 5 for gain options 9 24 dB Input Impedance ZIN 40 kΩ SHUTDOWN CONTROL Input Voltage High VIH 1.35 V Input Voltage Low VIL 0.35 V Turn-On Time tWU SD rising edge from AGND to AVDD 40 ms Turn-Off Time tSD SD falling edge from AVDD to AGND 500 μs Output Impedance ZOUT SD = GND 56 kΩ AMPLIFIER PROTECTION Overcurrent Threshold IOC 6 A Overtemperature Warning TWARN 120 °C Overtemperature Shutdown TSD 145 °C Recovery Temperature TREC 85 °C NOISE PERFORMANCE Output Voltage Noise en PVDD = 12 V, f = 20 Hz to 20 kHz, inputs are ac grounded, gain = 9 dB, A-weighted 100 μV rms Signal-to-Noise Ratio SNR PO = 10 W, RL = 8 Ω 98 dB 1 Although the SSM3302 has good audio quality above 2 × 10 W into 4 Ω, continuous output power beyond 2 × 10 W into 4 Ω must be avoided due to device packaging limitations. 2 Mono mode. Output power beyond 20 W needs special care for thermally considered printed circuit board (PCB) design. |
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