LTC1664 Просмотр технического описания (PDF) - Linear Technology

Номер в каталоге

Компоненты Описание

производитель

LTC1664

Micropower Quad 10-Bit DAC

Linear Technology 

Typical Performance Characteristics

LTC1664

Integral Nonlinearity (INL)

2.5

VCC = 5V

2.0 VREF = 4.096V

1.5

1.0

0.5

0

– 0.5

–1.0

–1.5

– 2.0

– 2.5

0

256

512

768

CODE

1023

1664 G01

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

256

512

768

1023

CODE

1664 G02

Supply Current vs Temperature

300

VREF = VCC

280 CODE = 1023

260

VCC = 5.5V

240

VCC = 4.5V

220

VCC = 3.6V

200

VCC = 2.7V

180

160

–55 –35 –15 5 25 45 65

TEMPERATURE (°C)

85 105 125

1664 G03

Load Regulation vs Output Current

2.0 VCC = VREF = 5V

CODE = 512

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

SOURCE

SINK

–2.0

–2

–1

0

1

IOUT (mA)

2

1664 G04

Mid-Scale Output Voltage

vs Load Current

3.0 VREF = VCC

2.9 CODE = 512

2.8

2.7

VCC = 5.5V

2.6

2.5

VCC = 5V

2.4

2.3

VCC = 4.5V

2.2

2.1

2.0

SOURCE

SINK

–30 –20 –10 0 10

IOUT (mA)

20 30

1664 G07

Load Regulation vs Output Current

2.0 VCC = VREF = 3V

CODE = 512

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

SOURCE

SINK

–500

0

IOUT (µA)

500

1664 G05

Mid-Scale Output Voltage

vs Load Current

2.0 VREF = VCC

1.9 CODE = 512

1.8

1.7

VCC = 3.6V

1.6

1.5

VCC = 3V

1.4

1.3

VCC = 2.7V

1.2

1.1

1.0

SOURCE SINK

–15 –12 – 8 – 4 0 4 8

IOUT (mA)

12 15

1664 G08

Large-Signal Step Response

5

VCC = VREF = 5V

10% TO

4

90% STEP

3

2

1

0

0

20

40

60

80 100

TIME (µs)

1664 G06

Supply Current vs Logic Input

Voltage

1.2

ALL DIGITAL INPUTS

SHORTED TOGETHER

1.0

0.8

0.6

0.4

0.2

0

0

1

2

3

4

5

LOGIC INPUT VOLTAGE (V)

1664 G09

1664fa

5

Share Link: