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SSM2315CBZ-REEL 데이터시트(PDF) 3 Page - Analog Devices |
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SSM2315CBZ-REEL 데이터시트(HTML) 3 Page - Analog Devices |
3 / 16 page SSM2315 Rev. A | Page 3 of 16 SPECIFICATIONS VDD = 5.0 V, TA = 25oC, RL = 8 Ω + 33 μH, unless otherwise noted. Table 1. Parameter Symbol Conditions1 Min Typ Max Unit DEVICE CHARACTERISTICS Output Power PO RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 1.48 W RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 0.75 W RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 1.84 W RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 0.94 W RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 2.72 W RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 1.38 W RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 3.402 W RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 1.72 W RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 3.43 W RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 1.72 W RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V 4.282 W RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V 2.14 W Efficiency η PO = 1.4 W, RL = 8 Ω + 33 μH, VDD = 5.0 V 93 % Total Harmonic Distortion + Noise THD + N PO = 1 W, RL = 8 Ω + 33 μH, f = 1 kHz, VDD = 5.0 V 0.004 % PO = 0.5 W, RL = 8 Ω + 33 μH, f = 1 kHz, VDD = 3.6 V 0.004 % Input Common-Mode Voltage Range VCM 1.0 VDD − 1.0 V Common-Mode Rejection Ratio CMRRGSM VCM = 2.5 V ± 100 mV at 217 Hz, output referred 55 dB Average Switching Frequency fSW 280 kHz Differential Output Offset Voltage VOOS Gain = 6 dB 2.0 mV POWER SUPPLY Supply Voltage Range VDD Guaranteed from PSRR test 2.5 5.5 V Power Supply Rejection Ratio PSRR VDD = 2.5 V to 5.0 V, dc input floating 70 85 dB PSRRGSM VRIPPLE = 100 mV at 217 Hz, inputs ac GND, CIN = 0.1 μF 60 dB Supply Current ISY VIN = 0 V, no load, VDD = 5.0 V 3.2 mA VIN = 0 V, no load, VDD = 3.6 V 2.8 mA VIN = 0 V, no load, VDD = 2.5 V 2.4 mA VIN = 0 V, load = 8 Ω + 33 μH, VDD = 5.0 V 3.3 mA VIN = 0 V, load = 8 Ω + 33 μH, VDD = 3.6 V 2.9 mA VIN = 0 V, load = 8 Ω + 33 μH, VDD = 2.5 V 2.4 mA Shutdown Current ISD SD = GND 20 nA GAIN CONTROL Closed-Loop Gain Gain 6 dB Differential Input Impedance ZIN SD = VDD 80 kΩ SHUTDOWN CONTROL Input Voltage High VIH ISY ≥ 1 mA 1.2 V Input Voltage Low VIL ISY ≤ 300 nA 0.5 V Turn-On Time tWU SD rising edge from GND to VDD 7 ms Turn-Off Time tSD SD falling edge from VDD to GND 5 μs Output Impedance ZOUT SD = GND >100 kΩ NOISE PERFORMANCE Output Voltage Noise en VDD = 3.6 V, f = 20 Hz to 20 kHz, inputs are ac-grounded, gain = 6 dB, A-weighted 21 μV rms Signal-to-Noise Ratio SNR PO = 1.4 W, RL = 8 Ω 103 dB 1 Note that although the SSM2315 has good audio quality above 3 W, continuous output power beyond 3 W must be avoided due to device packaging limitations. 2 This value represents measured performance; packaging limitations must not be exceeded. |
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