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SA3291 Datasheet(PDF) 4 Page - ON Semiconductor |
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SA3291 Datasheet(HTML) 4 Page - ON Semiconductor |
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4 / 20 page  AYRE SA3291 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 = NVB = 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 NVBOFF Transceiver Operation 0.93 0.965 1.0 Supply Voltage Turn On Threshold VBON Ramp up, Zinc Air battery 1.06 1.10 1.16 V NVBON Ramp up, Zinc Air battery 1.06 1.10 1.14 EEPROM Burn Cycles − − 100 k − − cycles Flash−RAM Write/Erase Cycle − − 10 k 100 k − cycles Low Frequency System Limit − DSP, Transceiver − 125 − Hz High Frequency System Limit − DSP − − 16 kHz − Transceiver (−3 dB) − 7 − Total Harmonic Distortion THD VIN = −40 dBV − − 1 % THD at Maximum Input THDM VIN = −15 dBV, HRX − ON − − 3 % Clock Frequency fCLK − 3.78 − 4.10 MHz NFMI TRANSCEIVER Carrier Frequency fC − − 10.597 − MHz Modulation Scheme − TDMA, CPFSK − − − − Supply Current in Sleep Mode Isleep − − 2 − mA Supply Current in Standby Mode Istandby − 189 227 273 mA Average Operating Current IAVE Bi−directional TDMA mode, full chip operation − 3.2 − mA Transmitter Antenna Coil Voltage VTX AC Signal − − 12 VPP 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 = fCLK/2 − 8 kHz, VIN = −40 dBV − 80 − dB Crosstalk − Between both A/D and Mux − 60 − dB Maximum Input Level − − − −15 − dBV |
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