ADC 2 Spezifikationen PDF herunterladen (Seite 7)

LTC4261/LTC4261-2

7

42612fd

For more information www.linear.com/LTC4261

OV Threshold vs Temperature

OV Hysteresis vs Temperature

Current Limit Voltage

vs Temperature

Current Limit Propagation Delay

(t

PHL(SENSE)

) vs V

SENSE

PG, PGIO Output Low

vs Load Current

ADC Total Unadjusted Error

vs Code (ADIN Pin)

ADC Full-Scale Error vs

Temperature (ADIN Pin) ADC INL vs Code (ADIN Pin)

ADC DNL vs Code (ADIN Pin)

I

IN

= 5mA, T

A

= 25°C, unless otherwise noted

TEMPERATURE (°C)

–50

1.755

OV THRESHOLD VOLTAGE (V)

1.760

1.765

1.770

1.775

1.785

–25

0 25 50

42612 G10

75

100

1.780

TEMPERATURE (°C)

–50

25

OV HYSTERESIS (mV)

30

35

40

45

50

–25

0 25 50

42612 G11

75 100

TYPICAL PERFORMANCE CHARACTERISTICS

TEMPERATURE (°C)

–50

49.0

CURRENT LIMIT SENSE VOLTAGE (mV)

49.5

50.0

50.5

51.0

52.0

–25

0 25 50

42612 G12

75

100

51.5

V

SENSE

(mV)

0

t

PHL(SENSE)

(ns)

400

42612 G13

100

100

200

300

500

1000

C

GATE

= 1pF

LOAD CURRENT (mA)

0

0

PG OUTPUT LOW VOLTAGE (V)

1

2

3

4

5

6

2 4 6 8

42612 G14

10

T

A

= 85°C

T

A

= 25°C

T

A

= –40°C

CODE

0

ADC TOTAL UNADJUSTED ERROR (LSB)

0

0.5

1024

42612 G15

–0.5

–1.0

256

512

768

1.0

TEMPERATURE (°C)

–50

–3

ADC FULL-SCALE ERROR (LSB)

–2

–1

0

1

3

–25

0 25 50

42612 G16

75

100

2

CODE

0

ADC INL (LSB)

0

0.5

1024

42612 G17

–0.5

–1.0

256

512

768

1.0

CODE

0

ADC DNL (LSB)

0

0.5

1024

42612 G18

–0.5

–1.0

256

512

768

1.0

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