LTC2411I 데이터 시트보기 (PDF) - Linear Technology

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LTC2411I

24-Bit No Latency ∆Σ™ ADC with Differential Input and Reference in MSOP

Linear Technology 

TYPICAL PERFOR A CE CHARACTERISTICS

LTC2411/LTC2411-1

RMS Noise vs VINCM

1.60

1.55

RVCECF+==5V5V

REF– = GND

VIN = 0V

FO = GND

TA = 25°C

1.50

1.45

1.40

1.35

1.30

–1 0

1 23 4

VINCM (V)

RMS Noise vs VREF

1.60

RVCECF–==5VGND

1.55 VIN = 0V

FO = GND

1.50 TA = 25°C

56

2411 G10

1.45

1.40

1.35

1.30

0

1

2

3

VREF (V)

4

5

2411 G13

Offset Error vs VCC

0 REF+ = 2.5V

0.8 REF– = GND

0.6

VIN = 0V

VINCM = GND

0.4 FO = GND

0.2 TA = 25°C

0

–0.2

–0.4

–0.6

–0.8

–1.0

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

VCC (V)

2411 G16

RMS Noise vs Temperature

1.60

VCC = 5V

1.55

VREF = 5V

VIN = 0V

VINCM = GND

1.50 FO = GND

1.45

1.40

1.35

1.30

–45 –30 –15 0 15 30 45 60 75 90

TEMPERATURE (°C)

2411 G11

Offset Error vs VINCM

0

–0.1 VRCECF+==5V5V

–0.2

REF– = GND

VIN = 0V

–0.3 FO = GND

–0.4 TA = 25°C

–0.5

–0.6

–0.7

–0.8

–0.9

–1.0

–1 0

1234

VINCM (V)

56

2411 G14

Offset Error vs VREF

0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

1

2

3

VREF (V)

VCC = 5V

REF– = GND

VIN = 0V

VINCM = GND

FO = GND

TA = 25°C

4

5

2411 G17

RMS Noise vs VCC

1.60 REF+ = 2.5V

REF– = GND

1.55 VIN = 0V

FO = GND

1.50 TA = 25°C

1.45

1.40

1.35

1.30

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

VCC (V)

2411 G12

Offset Error vs Temperature

0

VCC = 5V

–0.1 VREF = 5V

–0.2

VIN = 0V

VINCM = GND

–0.3 FO = GND

–0.4

–0.5

–0.6

–0.7

–0.8

–0.9

–1.0

–45 –30 –15 0 15 30 45 60 75 90

TEMPERATURE (°C)

2411 G15

+ Full-Scale Error vs Temperature

3

VCC

REF

=

+

5V

= 5V

2 REF – = GND

IN+ = 2.5V

1

IN– = GND

FO = GND

0

–1

–2

–3

–45 –30 –15 0 15 30 45 60 75 90

TEMPERATURE (°C)

2411 G18

7

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