Datasheet > LTC1069-7

LTC1069-7

更新时间： 2023-12-20 18:46:08

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
10页	163K
描述
线性相位 8 阶低通滤波器

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数据手册

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LTC1069-7 数据手册

LTC1069-7

TYPICAL PERFORMANCE CHARACTERISTICS

Passband Gain and Phase

vs Frequency

Passband Gain and Delay

vs Frequency

13.5

180

135

CLK

= 100kHz

= 2.5MHz

CLK

= 100kHz

= 2.5MHz

13.0

12.5

12.0

11.5

11.0

–1

–2

–3

–4

–5

–6

–7

–8

–1

–2

–3

–4

–5

–6

–7

–8

GAIN

–45

–90

–135

–180

–225

–270

ꢀHASE

DELAY

10 20 30 40 50 60 70 80 90 100

FREQUENCY (kHz)

1069-7 G12

1069-7 G10

Phase Matching vs Frequency

THD + Noise vs Input (V_P-P

)

THD + Noise vs Frequency

–40

–45

–50

–55

–60

–65

–70

–75

–40

–45

–50

–55

–60

–65

–70

–75

–80

2.50

2.25

2.00

1.75

1.50

1.25

1.00

0.75

0.50

0.25

= 2.5MHz

= 1MHz

CLK

70°C

= 100kHz

= 40kHz

= 1kHz

25°C

= 5V

= 5V, V = 1V

IN ꢀ-ꢀ

CLK

≤ 2.5MHz

ꢀHASE DIFFERENCE BETWEEN

ANY TWO UNITS (SAMꢀLE OF

20 REꢀRESENTATIVE UNITS)

= 5V

5V, V = 2V

ꢀ-ꢀ

0.1

100

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

INꢀUT (V )

FREQUENCY (kHz)

FREQUENCY (f

/FREQUENCY)

ꢀ-ꢀ

CUTOFF

1609-7 G13

1069-7 G11

1069-7 G14

Output Voltage Swing

vs Temperature

Transient Response

Output Offset vs Clock Frequency

–10

–15

–20

–25

–30

–35

–40

–45

–50

4.3

4.2

4.1

1.2

1.1

1.0

= 5V

= 5V (AGND AT 2.5V)

= 500kHz

CLK

CUTOFF

= 20kHz

= 10k

≤ 1mA

SOURCE SINK

1069-7 G15

0.1ms/DIV

= 500kHz

CLK

CUTOFF

= 20kHz

0.25

1.25

2.25

3.25

4.25

5.25

100

= 4V

–40

–20

ꢀ-ꢀ SQUARE WAVE AT 1kHZ

CLOCK FREQUENCY (MHz)

TEMꢀERATURE (°C)

1069-7 G16

1069-7 G17

10697fa

1 2 3 456 7 8...10

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