Datasheet > LTC1069-1

LTC1069-1

更新时间： 2022-11-25 12:22:29

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	242K
描述
Low Power, 8th Order Progressive Elliptic, Lowpass Filter

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数据手册

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LTC1069-1 数据手册

LTC1069-1

ELECTRICAL CHARACTERISTICS

f_CUTOFFis the filter’s cutoff frequency and is equal to f_CLK/100. The f_CLKsignal level is TTL or CMOS (clock rise or fall time ≤ 1µs),

V_S= 3.3V to ±5V, R_L= 10k, T_A= 25°C, unless otherwise noted. All AC gains are measured relative to the passband gain.

PARAMETER

Gain at 1.50f

CONDITIONS

V = ±5V,

MIN

TYP

MAX

UNITS

f = 500kHz

CLK

–58

–59

–53

–50

–49

CUTOFF

= 7.5kHz,

= 1V

●

TEST

RMS

V = 3.3V,

= 200kHz

–58

–59

–53

–50

–49

CLK

= 3kHz,

= 0.5V

TEST

RMS

Output DC Offset (Input at AGND)

Output Voltage Swing

V = ±5V,

= 500kHz

= 400kHz

= 200kHz

150

CLK

V = 4.75V,

V = 3.3V,

100

V = ±5V

●

–3.25

–1.50

–0.70

±4.0

±1.7

±0.9

3.25

1.25

0.60

V = 4.75V

V = 3.3

Power Supply Current

V = ±5V

= 500kHz

= 400kHz

= 200kHz

●

3.8

2.5

2.0

5.5

4.5

3.5

CLK

V = 4.75V

V = 3.3

Maximum Clock Frequency

V = ±5V

1.2

0.8

0.5

MHz

V = 4.75V

V = 3.3V

Input Frequency Range

Input Resistance

MHz

kΩ

CLK

Operating Power Supply Voltage

±1.57

±5.5

The

● denotes specificatons which apply over the full operating

temperature range.

U W

TYPICAL PERFORMANCE CHARACTERISTICS

Transition Band Gain vs

Passband Gain vs Frequency

Frequency

Stopband Gain vs Frequency

1.0

0.8

–70

–72

–74

–76

–78

–80

–82

–84

–86

–88

–90

= ±5V

CLK

= 5kHz

= ±5V

= 500kHz

CLK

= 500kHz

CLK

= 5kHz

0.6

–10

–20

–30

–40

–50

–60

–70

–80

–90

= 2V

RMS

= 2V

RMS

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1.0

11 12 13 14 15 16 17 18 19 20 21

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

FREQUENCY (kHz)

1069-1 G02

1069-1 G03

1069-1 G01

1 234 5 6 7 8

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