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VCA2615PFBR Datasheet(PDF) 4 Page - Texas Instruments |
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VCA2615PFBR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  VCA2615 SBOS316D − JULY 2005 − REVISED OCTOBER 2008 www.ti.com 4 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = +25°C, VDD = 5V, load resistance = 500Ω on each output to ground; the input to the preamp (LNP) is single-ended; fIN = 5MHz, LNP Gain (G1, G2) = 10, H/L = 0, VCNTL = 2.5V; VCA output is 1VPP differential; CA, CB = 3.9µF, unless otherwise noted. PARAMETER UNIT VCA2615 CONDITIONS PARAMETER UNIT MAX TYP MIN CONDITIONS ACCURACY Gain Slope VCNTL = 0.4V to 2.0V 22 dB/V Gain Error(4) VCNTL = 0.4V to 2.0V −1.5 ±0.9 +1.5 dB Gain Range VCNTL = 0.2V to 2.5V 52 dB Gain Range VCNTL = 0.4V to 2.0V 36.5 dB Gain Range (H/L) H/L = 0 (+6dB); VGA High Gain; VCNTL = 0.2V to 2.5V −12 to +40 dB H/L = 1 (0dB); VGA Low Gain; VCNTL = 0.2V to 2.5V −18 to +34 dB Output Offset Voltage, Differential ±50 mV Channel-to-Channel Gain Matching VCNTL = 0.4V to 2.0V, CHA to CHB ±0.33 dB GAIN CONTROL INTERFACE (VCNTL) Input Voltage Range 0.2 to 2.5 V Input Resistance Response Time 1 M Ω Input Resistance Response Time VCNTL = 0.2V to 2V; to 90% Signal Level 0.6 µs DIGITAL INPUTS(5), (6) (G1, G2, PDL, PDV, H/L, FB1-FB4, VCAINSEL) VIH, High-Level Input Voltage 2.0 V VIL, Low-Level Input Voltage 0.8 V Input Resistance 1 M Ω Input Capacitance 5 pF POWER SUPPLY Supply Voltage 4.75 5.0 5.25 V Power-Up Response Time 25 µs Power-Down Response Time 2 µs Total Power Dissipation PDV, PDL = 1 308 350 mW VGA Power-Down PDV = 0, PDL = 1 236 mW LNP Power-Down PDL = 0, PDV = 1 95 mW THERMAL CHARACTERISTICS Temperature Range Ambient, Operating −40 +85 °C Thermal Resistance, qJA QFN−48 Soldered Pad; Four-Layer PCB with Thermal Vias 29.1 °C/W qJC 2.2 °C/W qJA TQFP−48 58 °C/W (1) R IN + R F (1 ) A LNP 2 ) (2) 2nd−harmonic, 3rd-harmonic distortion less than or equal to −30dBc. (3) See Table 5. (4) Referred to best-fit dB linear curve. (5) Parameters ensured by design; not production tested. (6) Do not leave inputs floating; no internal pull-up/pull-down resistors. |
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Similar Description - VCA2615PFBR |
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