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LTC1164-8

Features: Ultraselectivity(50dB Attenuation at ±4% of Center Frequency) Adjustable Passband Gain Noise Independent of Gain Filter Noise: 270µVRMS, VS = Single 5V Supply Clock-Tunable (Center Frequency = fCLK/100) Center Frequencies up to 5kHz, VS = ±5V(Typical ISUPPLY = 3.2mA) Center Freque...

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LTC1164-8: Features: Ultraselectivity(50dB Attenuation at ±4% of Center Frequency) Adjustable Passband Gain Noise Independent of Gain Filter Noise: 270µVRMS, VS = Single 5V Supply Clock-Tunable (Center ...

LTC1164-8 Data Sheet

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Part Number:
LTC1164-8
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Ultraselectivity(50dB Attenuation at ±4% of Center Frequency)
Adjustable Passband Gain
Noise Independent of Gain
Filter Noise: 270µVRMS, VS = Single 5V Supply
Clock-Tunable (Center Frequency = fCLK/100)
Center Frequencies up to 5kHz, VS = ±5V(Typical ISUPPLY = 3.2mA)
Center Frequencies up to 4kHz, VS = Single 5V Supply(Typical ISUPPLY = 2.3mA)


Application

Asynchronous Narrowband Signal Detectors
Low Frequency Asynchronous Demodulators
Handheld Spectrum Analyzers
In-Band Tone Signaling Detectors


Pinout

Connection Diagram


Specifications

Total Supply Voltage (V+to V) ............................  16.5V
Power Dissipation...............................................  700mW
Burn-In Voltage ....................................................  16.5V
Voltage at Any Input ... (V 0.3V) VIN (V+ + 0.3V)
Operating Temperature Range* ..............  0°C to 70°C
Storage Temperature Range ..............65°C to 150°C
Lead Temperature (Soldering, 10 sec)................  300°C
Maximum Clock Frequency
VS = ±7.5V .........................................................  720kHz
VS = ±5V ............................................................  540kHz
VS = Single 5V ....................................................  430kHz


Description

The LTC®1164-8 is a monolithic ultraselective, 8th order,elliptic bandpass filter. The passband of the LTC1164-8 istuned with an external clock and the clock-to-center fre-quency ratio is 100:1. The 3dB pass bandwidth is typi-cally 1% of the filter center frequency. The stopbandattenuation of the LTC1164-8 is greater than 50dB. Thelower and upper stopband frequencies are less than0.96 • center frequency and greater than 1.04 • centerfrequency, respectively.

The LTC1164-8 requires an external op amp and twoexternal resistors (see the circuit below). The filter's gainat center frequency is set by the ratio RIN/RF. For a gainequal to one and an optimum dynamic range, RF should beset to 61.9k and RIN should be 340k. For gains other thanone, RIN = 340k/Gain. Gains up to 1000 are obtainable.

Setting the filter's gain with  input resistor RIN does notincrease the filter's wideband noise. The 270µVRMSwideband noise of the LTC1164-8 is independent of thefilter's center frequency.

The LTC1164-8 is available in a 14-pin PDIP or a 16-pinsurface mount SO Wide package.




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