LTC1164-8 datasheet(3/12 Pages) LINER

Part #	LTC1164-8

Description	Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1164-8

ELECTRICAL CHARACTERISTICS (See Test Circuit)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Upper Stopband Attenuation

VS = ±2.375V

fIN = 1040Hz (Note 1)

– 48

– 52

dB

(Referenced to Gain at Center Frequency)

fIN = 1200Hz

– 50

– 52

– 58

dB

q

– 48

– 60

dB

VS = ±5V

fIN = 1040Hz (Note 1)

– 48

– 52

dB

fIN = 1200Hz

– 52

dB

Maximum Output for < 0.25%

VS = ±2.5V

fIN = 1000Hz

1.0

VRMS

Total Harmonic Distortion

VS = ±5V

fIN = 1000Hz

2.5

VRMS

Output DC Offset

VS = ±2.5V (At the Output of External Op Amp)

– 40

±50

mV

VS = ±5V

– 50

±60

mV

Power Supply Current (Note 2)

VS = ±2.375V

2.3

4.0

mA

q

4.5

mA

VS = ±5V

3.2

7.0

mA

q

8.0

mA

VS = ±7.5V

4.5

11.0

mA

q

12.5

mA

Power Supply Range

±2.375

±8V

TA = 25°C, Center Frequency = fCLK/100, fCLK = 100kHz ( the clock signal is a TTL or CMOS square wave, clock rise or fall time ≤ 1µs),

the AC test signal level is 1VRMS for VS = ±5V or 0.5VRMS for VS = ±2.375V, unless otherwise specified.

The q denotes specifications which apply over the full operating

temperature range.

Note 1: The minimum stopband attenuation at 960Hz and 1040Hz is

guaranteed by design and test correlation.

Note 2: The maximum current over temperature is at 0

°C. At 70°C the

maximum current is less than its maximum value at 25

°C.

TYPICAL PERFORMANCE CHARACTERISTICS

FREQUENCY (Hz)

760

–30

–10

10

1240

LTC1164-8 • TPC01

–50

–70

–40

–20

0

–60

–80

–90

880

1000

1120

TA = 25°C

VS = ±5V

fCLK = 100kHz

Gain vs Frequency

Passband Gain and Phase

vs Frequency

Passband Variations

vs Power Supply

FREQUENCY (Hz)

990

–6

–3

0

1005

LTC1164-8 • TPC02

–9

–12

995

1000

1010

–15

–18

3

fCLK = 100kHz

GAIN = 1

RIN = 340k

RF = 61.9k

VS = ±2.5V

VS = ±7.5V

VS = ±5V

FREQUENCY (Hz)

984

–6

0

6

1016

LTC1164-8 • TPC03

–12

–18

–9

–3

3

–15

–21

–24

–60

60

180

120

–180

–300

–120

0

–240

–360

–420

992

1000

1008

TA = 25°C

VS = ±5V

fCLK = 100kHz

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