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ST7538QTR Datasheet(PDF) 11 Page - STMicroelectronics |
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ST7538QTR Datasheet(HTML) 11 Page - STMicroelectronics |
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11 / 44 page  ST7538Q Electrical characteristics 11/44 HD2ATO Second Harmonic Distortion on ATO VATO = 2VPP -55 -42 dBc HD3ATO Third Harmonic Distortion on ATO -52 -49 dBc IATOP Output Transmitting Current in programmable current limiting Rcl = 1.85k Ω; RLOAD = 1 Ω (as in Figure 14) 250 310 370 mArms VATOP(AC) Max Carrier Output AC Voltage for each ATOP1 and ATOP2 pins RCL = 1.t5kΩ Vsense(AC) = 0V 3.5 4.6 6 Vpp VATOP(DC) Output DC Voltage on ATOP1 and ATOP2 pins 3.5 4.2 5 V HD2ATOP Second Harmonic Distortion on each ATOP1 and ATOP2 pins VATOP = 4VPP , PAVCC = 10V No Load -55 -42 dBc VATOP = 4VPP , PAVCC = 10V RLOAD =50Ω (Differential) Carrier Frequency: 132.5KHz -65 -53 dBc HD3ATOP Third Harmonic Distortion on each ATOP1 and ATOP2 pins VATOP = 4VPP , PAVCC = 10V No Load. -56 -49 dBc VATOP = 4VPP , PAVCC = 10V RLOAD =50Ω (Differential) Carrier Frequency: 132.5KHz -65 -52 dBc VATOP Accuracy with Voltage Control Loop Active RCL = 1.75Ω; Vsense(AC) = 0V -1 +1 GST GST ALC Gain Step Control loop gain step 0.6 1 1.4 dB DRNG ALC Dynamic Range 30 dB VsenseTH Voltage control loop reference threshold on Vsense pin Figure 14 160 180 200 mVPK VsenseHYS Hysteresis on Voltage loop reference threshold Figure 14 ±18 mV VSENSE(DC) Output DC Voltage on VSENSE 1.865 V VSENSE VSENSE Input Impedance 36 k Ω Table 4. Electrical characteristics (continued) (AVdd = DVdd = +5V, PAVcc =+9 V, PAVss, SGND = DVss = 0V, -40°C ≤TA ≤ 85°C, TJ < 125 °C, fc = 86kHz, other control register parameters as default value, unless otherwise specified) Symbol Parameter Test condition Min Typ Max Unit PAVcc VATOP AC () 2 ------------------------------------ 7.5V + ≥ |
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