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R3920 Datasheet(PDF) 4 Page - ON Semiconductor |
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R3920 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 13 page RHYTHM R3920 www.onsemi.com 4 SPECIFICATIONS Table 1. ABSOLUTE MAXIMUM RATINGS Parameter Value Units Operating Temperature Range 0 to +40 °C Storage Temperature Range −20 to +70 °C Absolute Maximum Power Dissipation 50 mW Maximum Operating Supply Voltage 1.65 VDC Absolute Maximum Supply Voltage 1.8 VDC Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. WARNING: Electrostatic Sensitive Device − Do not open packages or handle except at a static−free workstation. WARNING: Moisture Sensitive Device − RoHS Compliant; Level 4 MSL. Do not open packages except under controlled conditions. Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage VB = 1.25 V; Temperature = 25°C) Parameter Symbol Conditions Min Typ Max Units Minimum Operating Supply Voltage VBOFF Ramp down, audio path 0.93 0.95 0.97 V Ramp down, control logic 0.77 0.80 0.83 Supply Voltage Turn On Threshold VBON Ramp up, zinc−air 1.06 1.10 1.16 V Ramp up, NiMH 1.16 1.20 1.24 Hybrid Current All functions, 32 kHz sampling rate − 730 − mA All functions, 16 kHz sampling rate − 620 − EEPROM Burn Cycles − − 100 k − − cycles Low Frequency System Limit − − − 125 − Hz High Frequency System Limit − − − 16 − kHz Total Harmonic Distortion THD VIN = −40 dBV − − 1 % THD at Maximum Input THDM VIN = −15 dBV, HRX − ON − − 3 % Clock Frequency fCLK − 3.973 4.096 4.218 MHz REGULATOR Regulator Voltage VREG − 0.87 0.90 0.93 V System PSRR PSRRSYS 1 kHz, Input referred, HRX enabled − 70 − dB INPUT Input Referred Noise IRN Bandwidth 100 Hz − 8 kHz − −108 −106 dBV Input Impedance ZIN 1 kHz − 3 − M W Anti−aliasing Filter Rejection − f = [DC − 112 kHz], VIN = −40 dBV − 80 − dB Crosstalk − Between both A/D and Mux − 60 − dB Maximum Input Level − − − −15 −13 dBV Analogue Input Voltage Range VAN_IN VIN1, VIN2, Al 0 − 800 mV VAN_TIN TIN −100 − 800 Input Dynamic Range − HRX − ON Bandwidth 100 Hz − 8 kHz − 95 96 dB Audio Sampling Rate − − 8 − 48 kHz OUTPUT D/A Dynamic Range − 100 Hz − 8 kHz − 88 − dB Output Impedance ZOUT − − 10 13 W |
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