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CLC450 Fiches technique(PDF) 1 Page - National Semiconductor (TI) |
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CLC450 Fiches technique(HTML) 1 Page - National Semiconductor (TI) |
1 / 12 page Features s 100mA output current s 1.5mA supply current s 100MHz bandwidth (Av = +2) s -79/-75dBc HD2/HD3 (1MHz) s 20ns settling to 0.05% s 280V/ µs slew rate s Stable for capacitive loads up to 1000pf s Single 5V to ±5V supplies s Available in Tiny SOT23-5 package Applications s Coaxial cable driver s Twisted pair driver s Transformer/Coil Driver s High capacitive load driver s Video line driver s Portable/battery-powered applications s A/D driver VEE + - CLC450 1k Ω 0.1 µF 6.8 µF Vo Vin +5V 3 2 4 7 6 + 1k Ω 5k Ω 5k Ω 0.1 µF 10m of 75 Ω Coaxial Cable 75 Ω 0.1 µF 75 Ω 0.1 µF Typical Application Single Supply Cable Driver Pinout DIP & SOIC General Description The CLC450 has a new output stage that delivers high output drive current (100mA), but consumes minimal quiescent supply current (1.5mA) from a single 5V supply. Its current feedback architecture, fabricated in an advanced complementary bipolar process, maintains consistent performance over a wide range of gains and signal levels, and has a linear-phase response up to one half of the -3dB frequency. The CLC450 offers superior dynamic performance with a 100MHz small-signal bandwidth, 280V/ µs slew rate and 6.1ns rise/fall times (2Vstep). The combination of low quiescent power, high output current drive, and high-speed performance make the CLC450 well suited for many battery-powered personal communication/computing systems. The ability to drive low-impedance, highly capacitive loads, makes the CLC450 ideal for single ended cable applications. It also drives low impedance loads with minimum distortion. The CLC450 will drive a 100 Ω load with only -75/-64dBc second/third harmonic distortion (Av = +2, Vout = 2Vpp, f = 1MHz). With a 25Ω load, and the same conditions, it produces only -70/-60dBc sec- ond/third harmonic distortion. It is also optimized for driving high currents into single-ended transformers and coils. When driving the input of high-resolution A/D converters, the CLC450 provides excellent -79/-75dBc second/third harmonic distortion (Av = +2, Vout = 2Vpp, f = 1MHz, RL = 1kΩ) and fast settling time. Available in SOT23-5, the CLC450 is ideal for applications where space is critical. Maximum Output Voltage vs. RL RL ( Ω) 1 2 3 4 5 6 7 8 9 10 10 100 1000 Vs = +5V VCC = ±5V CLC450 Single Supply, Low-Power, High Output, Current Feedback Amplifier N June 1999 Response After 10m of Cable 20ns/div Vin = 10MHz, 0.5Vpp Vinv VCC VEE Vo Vnon-inv Pinout SOT23-5 © 1999 National Semiconductor Corporation http://www.national.com Printed in the U.S.A. |
Numéro de pièce similaire - CLC450 |
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Description similaire - CLC450 |
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