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The THAT 2150 Series integrated-circuit voltagecontrolledamplifiers (VCAs) are high-performancecurrent-in/current-out devices with twoopposingpolarity,voltage-sensitive control ports. Based ondbx technology, they offer wide-range exponentialcontrol of gain and attenuation with low signal distortion.The parts are housed in a space-efficient,plastic 8-pin single-in-line (SIP) package, and requireminimal support circuitry. Fabricated in asuper low-noise process utilizing high hFE, complementaryNPN/PNP pairs, the 2150 Series VCAscombine high gain-bandwidth product with lownoise, low distortion, and low offset to offer discreteperformance at IC prices. They are available inthree grades, selected for distortion, allowing theuser to optimize cost vs. performance.
THAT2155 Maximum Ratings
Positive Supply Voltage (VCC) +18 V Negative Supply Voltage (VEE) -18 V Supply Current (ICC) 10 mA Power Dissipation (PD) (TA = 75°C) 330 mW Operating Temperature Range (TOP) -20 to +75°C Storage Temperature Range (TST) -40 to +125°C
THAT2155 Features
• Wide Dynamic Range: >116 dB • Wide Gain Range: >130 dB • Exponential (dB) Gain Control • Low Distortion: (0.008% @ 0 dBgain, 0.035% @15dB gain) • Wide Gain-Bandwidth: 6 MHz • Low Cost: $2.20 in '000s (2155) • Single In-Line Package • Dual Gain-Control Ports (pos/neg)