Datasheet > LTC1297

LTC1297

更新时间： 2023-12-20 18:44:05

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	317K
描述
单芯片 12 位数据采集系统

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数据手册

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LTC1297 数据手册

LTC1292/LTC1297

U W

TYPICAL PERFOR A CE CHARACTERISTICS

LTC1297 Supply Current (Power

Shutdown) vs CLK Frequency

Unadjusted Offset Voltage vs

Reference Voltage

Change in Linearity vs

Reference Voltage

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

1.25

= 5V

REF

CS HIGH

CMOS LOGIC LEVELS

1.00

0.75

0.50

0.25

= 0.250mV

= 0.125mV

200

400

600

800

1000

REFERENCE VOLTAGE (V)

CLK FREQUENCY (kHz)

REFERENCE VOLTAGE (V)

LTC1292/7 G05

LTC1292/7 G04

LTC1292/7 G06

Change in Gain vs

Reference Voltage

Change in Linearity vs

Temperature

Change in Offset vs Temperature

0.5

0.4

0.5

0.4

= 5V

REF

= 5V

REF

= 5V

–0.2

CLK = 1MHz

–0.4

–0.6

0.3

0.2

0.1

0.3

0.2

0.1

–0.8

–1.0

–1.2

–50

–25

100 125

–25

100 125

REFERENCE VOLTAGE (V)

AMBIENT TEMPERATURE (°C)

LTC1292/7 G08

LTC1292/7 G09

LTC1292/7 G07

Minimum Clock Rate for

0.1 LSB Error*

D_OUTDelay Time vs Temperature

Change in Gain vs Temperature

0.5

0.4

0.3

0.2

0.1

250

200

150

100

= 5V

REF

CLK = 1MHz

= 5V

0.25

0.20

MSB FIRST DATA

0.15

0.10

0.05

LSB FIRST DATA

–50

–25

100 125

–50

–25

100 125

–25

100 125

AMBIENT TEMPERATURE (°C)

LTC1292/7 G10

LTC1292/7 G12

LTC1292/7 G11

* AS THE CLK FREQUENCY IS DECREASED FROM 1MHz, MINIMUM CLK FREQUENCY (∆ERROR ≤ 0.1LSB) REPRESENTS THE

FREQUENCY AT WHICH A 0.1LSB SHIFT IN ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED (NOTE 9).

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