特点
Guaranteed
Filter Specification for ?2.37V and ±5V Supply
Operates up to 30kHz
Low Power and 88dB Dynamic Range at ±2.5V Supply
Center Frequency Q Product up to 1.6MHz
Guaranteed
Offset Voltages
Guaranteed
Clock to Center Frequency Accuracy over Temperature
0.3% for LTC1060A
0.8% for LTC1060
Guaranteed
Q Accuracy Over Temperature
Low Temperature Coefficient of Q and Center Frequency
Low Crosstalk, 70dB
Clock Inputs TTL and CMOS Compatible
典型应用
典型应用
描述
The LTC?1060 consists of two high performance, switched capacitor filters. Each filter, together with 2 to 5 resistors, can produce various 2nd order filter functions such as lowpass, bandpass, highpass notch and allpass. The center frequency of these functions can be tuned by an external clock or by an external clock and resistor ratio. Up to 4th order full biquadratic functions can be achieved by cascading the two filter blocks. Any of the classical filter configurations (like Butterworth, Chebyshev, Bessel, Cauer) can be formed.
The LTC1060 operates with either a single or dual supply from ?2.37V to ?8V. When used with low supply (i.e. single 5V supply), the filter typically consumes 12mW and can operate with center frequencies up to 10kHz. With ±5V supply, the frequency range extends to 30kHz and very high Q values can also be obtained.
The LTC1060 is manufactured by using Linear Technology’s enhanced LTCMOS? silicon gate process. Because of this, low offsets, high dynamic range, high center frequency Q product and excellent temperature stability are obtained.
The LTC1060 is pinout compatible with MF10.