Datasheet > LTC1968

LTC1968

更新时间： 2023-12-20 18:44:06

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
28页	296K
描述
精准型、宽带宽、 RMS 至 DC 转换器

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中文翻译

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数据手册

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LTC1968 数据手册

LTC1968

U W

TYPICAL PERFOR A CE CHARACTERISTICS

AC Linearity

Performance vs Crest Factor

Performance vs Large Crest Factor

0.20

0.15

0.10

0.05

220

210

200

190

180

170

160

150

140

130

120

201.0

200.8

200.6

200.4

200.2

200.0

199.8

199.6

199.4

199.2

199.0

200mV

AVE

O.1%/DIV

SCR WAVEFORMS

SINEWAVES

20Hz

RMS

= 10µF

= MIDSUPPLY

AVE

IN2

10kHz

20Hz

40kHz

60Hz

1kHz

60Hz

10kHz

60Hz

40kHz

–0.05

–0.10

–0.15

–0.20

200mV

RMS

AVE

5%/DIV

SCR WAVEFORMS

= 10µF

100

200

300

400

500

CREST FACTOR

(mV AC

)

RMS

IN1

1968 G05

1968 G06

1968 G07

Supply Current vs Temperature

Supply Current vs Supply Voltage

DC Linearity

0.10

0.08

3.0

2.5

2.0

1.5

1.0

0.5

2.44

2.42

2.40

2.38

2.36

2.34

2.32

2.30

AVE

IN2

= 10µF

= MIDSUPPLY

0.06

0.04

0.02

–0.02

–0.04

–0.06

–0.08

–0.10

EFFECT OF OFFSETS

MAY BE POSITIVE OR

NEGATIVE AT V = 0V

–500

–300

–100

100

(mV)

300

500

–55 –35 –15

25 45 65 85 105 125

SUPPLY VOLTAGE (V)

TEMPERATURE (°C)

IN1

1968 G08

1968 G09

1968 G10

Power Supply and ENABLE Pin

Current vs ENABLE Voltage

Input Signal Bandwidth

vs RMS Value

Input Signal Bandwidth

1000

100

202

200

198

196

3.0

2.5

2.0

1.5

1.0

0.5

300

–3dB

200

100

1% ERROR

194

192

–100

–200

–300

–400

190

188

186

184

182

1%/DIV

–0.5

–1.0

= 10µF

AVE

= 200mV

RMS

10k

100k

10M

100M

100

10k

100k

10M

INPUT SIGNAL FREQUENCY (Hz)

ENABLE PIN VOLTAGE (V)

INPUT SIGNAL FREQUENCY (Hz)

1968 G12

1968 G13

1968 G11

1968f

1 2 3 456 7 8...28

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