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VCA8500_0803 Datasheet(PDF) 5 Page - Texas Instruments |
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VCA8500_0803 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 40 page www.ti.com VCA8500 SBOS390A – JANUARY 2008 – REVISED MARCH 2008 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = +25°C, AVDD2 = 5.0V, AVDD1 = DVDD = 3.3V; single-ended, ac-coupled (1µF) input configuration to the preamp (LNA), fIN = 5MHz, VCNTL = 1.0V, PG = 30dB, clamp disabled (CL = 1), LPF = 15MHz, and RLOAD = 1kΩ on each output to ground, unless otherwise noted. VCA8500 TEST PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LEVEL(1) DIGITAL INPUTS (SDI) (PD, DIN, DOUT, CLK, RST) VIH, high-level input voltage 2.0 VD V B VIL, low-level input voltage 0 0.8 V B Input current ±10 µA A Clock frequency (fCLK) 10k 20M Hz B Input resistance 1 M Ω C Input capacitance 5 pF C POWER SUPPLY Supply Voltages AVDD1, DVDD Operating 3.15 3.3 3.6 V B AVDD2 Operating 4.75 5 5.25 V B Supply Currents(4) IAVDD1 TGC mode (D5 = 1) 145 156 mA A CW mode (D5 = 0) 78 84 mA A IDVDD TGC, CW mode 1.5 3 mA A IAVDD2 TGC mode 8 10 mA A CW mode 54 59 mA A Power dissipation, total All channels, TGC mode, no signal 522 570 mW A All channels, CW mode, no signal 533 575 mW A POWER-DOWN MODES Standby Mode PD (pin 49) = high IAVDD1 18 mA A IDVDD 1.5 mA A IAVDD2 8 mA A Power dissipation 104 130 mW A Power-down response time 0.2 µs C Power-up response time(5) PD to valid output (90% level) 50 µs C Shut-Down Mode D2 (PWR) = high IAVDD1 1.5 mA A IDVDD 1.5 mA A IAVDD2 2 mA A Power dissipation 19 35 mW A THERMAL CHARACTERISTICS Temperature range Ambient, operating –40 +85 °C Thermal resistance, θ JA 22.5 °C/W Soldered pad; four-layer PCB with thermal vias Thermal resistance, θ JC 17.0 °C/W (4) Clamp enabled (D4 = 0). (5) See Figure 59 of the Typical Characteristics. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): VCA8500 |
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