LTC2626IDD-1-TRPBF Просмотр технического описания (PDF) - Linear Technology

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LTC2626IDD-1-TRPBF

16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

Linear Technology 

LTC2606/LTC2616/LTC2626

TYPICAL PERFORMANCE CHARACTERISTICS

LTC2616

Integral Nonlinearity (INL)

8

VCC = 5V

6 VREF = 4.096V

4

2

0

–2

–4

–6

–8

0

4096

8192 12288 16383

CODE

2606 G09

LTC2626

Integral Nonlinearity (INL)

2.0

VCC = 5V

1.5

VREF = 4.096V

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

0

1024

2048

CODE

3072

LTC2606/LTC2616/LTC2626

4095

2606 G12

Current Limiting

0.10

CODE = MIDSCALE

0.08

VREF = VCC = 5V

0.06

VREF = VCC = 3V

0.04

0.02

0

–0.02

–0.04

–0.06

VREF = VCC = 3V

VREF = VCC = 5V

–0.08

–0.10

–40 –30 –20 –10 0 10 20 30 40

IOUT (mA)

2606 G17

Differential Nonlinearity (DNL)

1.0

VCC = 5V

0.8 VREF = 4.096V

0.6

Settling to ±1LSB

0.4

VOUT

0.2

100μV/DIV

0

–0.2

–0.4

SCL

2V/DIV

9TH CLOCK

OF 3RD DATA

BYTE

8.9μs

–0.6

–0.8

–1.0

0

4096

8192

CODE

12288 16383

2μs/DIV

VCC = 5V, VREF = 4.096V

1/4-SCALE TO 3/4-SCALE STEP

RL = 2k, CL = 200pF

AVERAGE OF 2048 EVENTS

2606 G10

2606 G11

Differential Nonlinearity (DNL)

1.0

VCC = 5V

0.8 VREF = 4.096V

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

1024

2048

CODE

3072

4095

2606 G13

Settling to ±1LSB

VOUT

1mV/DIV

6.8μs

SCL

2V/DIV

9TH CLOCK

OF 3RD DATA

BYTE

2μs/DIV

VCC = 5V, VREF = 4.096V

1/4-SCALE TO 3/4-SCALE STEP

RL = 2k, CL = 200pF

AVERAGE OF 2048 EVENTS

2606 G14

Load Regulation

1.0

CODE = MIDSCALE

0.8

0.6

0.4

0.2

0

VREF = VCC = 5V

–0.2

–0.4

–0.6

VREF = VCC = 3V

–0.8

–1.0

–35 –25 –15 –5 5 15

IOUT (mA)

25 35

2606 G18

Offset Error vs Temperature

3

2

1

0

–1

–2

–3

–50 –30 –10 10 30 50

TEMPERATURE (°C)

70 90

2606 G19

26061626fb

7

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