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TSH512CF データシート(PDF) 7 Page - STMicroelectronics |
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TSH512CF データシート(HTML) 7 Page - STMicroelectronics |
7 / 19 page TSH512 7/19 ELECTRICAL CHARACTERISTICS Vcc = 2.7V, Tamb = 25°C, faudio = 1 kHz, fcarrier = 2.8 MHz (unless otherwise specified) Symbol Parameter Test condition Min Typ Max Unit Overall Circuit ICC_TOT Current consumption, TX1 and TX2 are on. TX1 on, TX2 on, MIC-BIAS1 and MIC-BIAS2 not used: VOX-MUTE=1, output buffers on VOX-MUTE=0, output buffers off 16 11 18.6 12.8 mA mA ICC_SBY Current consumption with TX2 in stand-by: SBY (pin5) active TX1 on, TX2 off, MIC-BIAS1 and MIC-BIAS2 not used: VOX-MUTE=1, output buffers on VOX-MUTE=0, output buffers off 10 7 11.5 8 mA mA LNA Sections (for TX1 and TX2) GBPLNA Gain Band Product No external load 7 MHz RinLNA Input Resistance on positive input: (LNA-INP1 pin 12 or LNA-INP2 pin 44) 30 k Ω THDLNA Total Harmonic Distortion GLNA=0dB VoutLNA =700mVPP 0.01 0.05 % En Equivalent Input Noise Voltage GLNA=40dB, at f=1kHz Rs=390 Ω, Rfeedback= 39k Ω 6 nV/ √Hz Automatic Level Control (ALC) Section GALC Voltage Gain 20 dB VALC_OUT Regulated Output Level (At positive input of the PEA amplifier) 600 710 800 mVpp Pre-Emphasis Amplifier (PEA) Section GBPPEA Gain Band Product (PEA-OUT1 pin17 or PEA-OUT2 pin39) No Load 9 MHz VOpp-PEA Output voltage RL = 22k Ω 550 mVpp Audio LNA+ALC+PEA sections THDALC Total Harmonic Distorsion in linear region on PEA-OUT1 pin17 or PEA-OUT2 pin 39 GLNA = 0 dB, f =1kHz VinALC < 25mVrms (-30dBu) RL = 22 k Ω tied to GND 0.05 0.15 % THDAGC Total Harmonic Distorsion in compres- sion region (Vin)ALC = 36mVrms (-27dBu) (Vin)ALC= 100mVrms (-18dBu) RL = 22 k Ω tied to GND 1.3 3 1.7 4 % % ΦΜ PEA Phase Margin at PEA-OUT1 pin 17 or PEA-OUT2 pin 39 RL = 22 k Ω LNA and PEA at unity gain Vin = 40mV 70 ° |
同様の部品番号 - TSH512CF |
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同様の説明 - TSH512CF |
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