LTC1164-6M 查看數據表（PDF） - Linear Technology

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LTC1164-6M

Low Power 8th Order Pin Selectable Elliptic or Linear Phase Lowpass Filter

Linear Technology 

LTC1164-6

ELECTRICAL CHARACTERISTICS The ● denotes specifications that apply over the full operating temperature

range, otherwise specifications are at TA = 25°C. VS = ±7.5V, RL = 10k, TA = 25°C, fCLK = 400kHz, TTL or CMOS level (maximum clock

rise or fall time ≤ 1µs) and all gain measurements are referenced to passband gain, unless otherwise specified. (fCLK/ fCUTOFF) = 4kHz

at 100:1 and 8kHz at 50:1.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Maximum fCLK (Table 3)

Clock Feedthrough

Wideband Noise

Input Impedance

VS ≥ ±7.5V

VS ≤ ±5V

VS = Single 5V, AGND = 2V

Input at GND, f = fCLK, Square Wave

VS = ±7.5V, (fCLK/ fC) = 100:1

VS = ±5V, (fCLK/ fC) = 50:1

Input at GND, 1Hz ≤ f < fCLK

VS = ±7.5V

VS = ±2.5V

1.5

1.0

1.0

500

200

115 ± 5%

100 ± 5%

45

75

110

MHz

MHz

MHz

µVRMS

µVRMS

µVRMS

µVRMS

kΩ

Output DC Voltage Swing

Output DC Offset

Output DC Offset Tempco

Power Supply Current

VS = ±2.375V

VS = ±5V

VS = ±7.5V

VS = ±5V, (fCLK/ fC) = 100:1

VS = ±5V, (fCLK/ fC) = 100:1

VS = ±2.375V, TA > 25°C

●

±1.25

±1.50

●

±3.70

±4.10

●

±5.40

±5.90

±100

±160

±100

2.5

4.0

●

4.5

V

V

V

mV

µV/°C

mA

mA

VS = ±5V, TA > 25°C

4.5

7.0

mA

●

8.0

mA

VS = ±7.5V, TA > 25°C

7.0

11.0

mA

●

12.5

mA

Power Supply Range

±2.375

±8

V

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: Connecting any pin to voltages greater than V+ or less than V –

may cause latch-up. It is recommended that no sources operating from

external supplies be applied prior to power-up of the LTC1164-6.

Note 3: All gains are measured relative to passband gain.

Note 4: The cutoff frequency of the filter is abbreviated as fCUTOFF or fC.

TYPICAL PERFOR A CE CHARACTERISTICS

Stopband Gain vs Frequency

(Elliptic Response)

10

0

VS = ±5V

fCLK = 500kHz

–10

fC = 5kHz

– 20

(fCLK/fC) =

(PIN 10 AT

100:1

V–)

– 30

TA = 25°C

– 40

– 50

– 60

– 70

– 80

– 90

2 4 6 8 10 12 14 16 18 20 22

FREQUENCY (kHz)

1164-6 G01

Stopband Gain vs Frequency

(Elliptic Response)

10

0

VS = ±5V

fCLK = 250kHz

–10

(fCLK/fC) =

(PIN 10 AT

50:1

V+)

– 20

TA = 25°C

– 30

WITH EXTERNAL

SINGLE POLE LOW-

– 40

PASS RC FILTER

(f– 3dB = 10kHz)

– 50

– 60

– 70

– 80

– 90

2 4 6 8 10 12 14 16 18 20 22

FREQUENCY (kHz)

1164-6 G02

11646fa

3

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