LTC1164-6MJ datasheet(3/12 Pages) LINER

Part #	LTC1164-6MJ

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

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Manufacturer	LINER [Linear Technology]

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LTC1164-6

ELECTRICAL C

C

HARA TERISTICS

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

Clock Feedthrough

Input at GND, f = fCLK, Square Wave

VS = ±7.5V, (fCLK/fC) = 100:1

500

µVRMS

VS = ±5V, (fCLK/fC) = 50:1

200

µVRMS

Wideband Noise

Input at GND, 1Hz

≤ f < fCLK

VS = ±7.5V

115

± 5%

µVRMS

VS = ±2.5V

100

± 5%

µVRMS

Input Impedance

30

40

70

k

Ω

Output DC Voltage Swing

VS = ±2.375V

q

±1.25

±1.50

V

VS = ±5V

q

±3.70

±4.10

V

VS = ±7.5V

q

±5.40

±5.90

V

Output DC Offset

VS = ±5V, (fCLK/fC) = 100:1

±100

±160

mV

Output DC Offset TempCo

VS = ±5V, (fCLK/fC) = 100:1

±100

µV/°C

Power Supply Current

VS = ±2.375V, TA > 25°C

2.5

4.0

mA

q

4.5

mA

VS = ±5V, TA > 25°C

4.5

7.0

mA

q

8.0

mA

VS = ±7.5V, TA > 25°C

7.0

11.0

mA

q

12.5

mA

Power Supply Range

±2.375

±8V

The q denotes specifications which apply over the full operating

temperature range.

Note 1: Absolute Maximum Ratings are those values beyond which life of

the device may be impaired.

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.

Stopband Gain vs Frequency

(Elliptic Response)

CC

HARA TERISTICS

A

TYPICALPERFOR

CE

Stopband Gain vs Frequency

(Elliptic Response)

FREQUENCY (kHz)

2

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

18

1164-6 G02

6

10

14

22

4

8

12

16

20

VS = ±5V

fCLK = 250kHz

(fCLK/fC) = 50:1

(PIN 10 AT V+)

TA = 25°C

WITH EXTERNAL

SINGLE POLE LOW-

PASS RC FILTER

(f– 3dB = 10kHz)

FREQUENCY (kHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

1164-6 G01

218

6

10

14

22

4

8

12

16

20

VS = ±5V

fCLK = 500kHz

fC = 5kHz

(fCLK/fC) = 100:1

(PIN 10 AT V –)

TA = 25°C

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