LTC1446LCN8 Просмотр технического описания (PDF) - Linear Technology

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LTC1446LCN8

Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8

Linear Technology 

LTC1446/LTC1446L

TYPICAL PERFORMANCE CHARACTERISTICS

LTC1446 Differential Nonlinearity

(DNL)

0.5

0.4

0.3

0.2

0.1

0

– 0.1

– 0.2

– 0.3

– 0.4

– 0.5

0 512 1024 1536 2048 2560 3072 3584 4095

CODE

1446/46L G01

LTC1446L Integral Nonlinearity

3

2

1

0

–1

–2

–3

0

512 1024 1536 2048 2560 3072 3584 4095

CODE

1446/46L G04

LTC1446 Min Output Voltage vs

Output Sink Current

600

CODE: ALL 0'S

500

400

125°C

25°C

300

–55°C

200

100

0

0

5

10

15

OUTPUT SINK CURRENT (mA)

LTC1446/46L • TPC07

LTC1446 Integral Nonlinearity (INL)

3

2

1

0

–1

–2

–3

0

512 1024 1536 2048 2560 3072 3584 4095

CODE

1446/46L G02

LTC1446 Min Supply Headroom for

Full Output Swing vs Load Current

0.8

∆VOUT < 1LSB

CODE: ALL 1's

VOUT = 4.095V

0.6

0.4

0.2

0

0

5

10

15

LOAD CURRENT (mA)

LTC1446/46L • TPC05

LTC1446 Full-Scale Voltage

vs Temperature

4.11

4.10

4.09

4.08

4.07

–55 –25 5

35 65

TEMPERATURE (°C)

95 125

1446/46L G09

LTC1446L Differential Nonlinearity

0.5

0.4

0.3

0.2

0.1

0

– 0.1

– 0.2

– 0.3

– 0.4

– 0.5

0 512 1024 1536 2048 2560 3072 3584 4095

CODE

1446/46L G03

LTC1446L Min Supply Headroom for

Full Output Swing vs Load Current

1.2

∆VOUT < 1LSB

CODE: ALL 1's

1.0 VOUT = 2.5V

0.8

0.6

0.4

0.2

0

0

5

10

15

LOAD CURRENT (mA)

LTC1446/46L • TPC06

LTC1446 Supply Current

vs Logic Input Voltage

3.0

2.6

2.2

1.8

1.4

1.0

0.6

0

1

2

3

4

5

LOGIC INPUT VOLTAGE (V)

1446/46L G09

4

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