LTC2630-LM8 데이터 시트보기 (PDF) - Linear Technology

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LTC2630-LM8

Single 12-/10-/8-Bit Rail-to-Rail DACs with Integrated Reference in SC70

Linear Technology 

LTC2630

TYPICAL PERFORMANCE CHARACTERISTICS

LTC2630

Large-Signal Response

Midscale-Glitch Impulse

INTERNAL REF

Power-On Reset Glitch

LTC2630-L

0.5V/DIV

VFS = VCC = 5V

1/4 SCALE TO 3/4 SCALE

2µs/DIV

CS/LD

5V/DIV

VOUT

5mV/DIV

2630 G22

LTC2630-H12, VCC = 5V:

2.4nV-s TYP

VCC

2V/DIV

LTC2630-L12, VCC = 3V:

2.0nV-s TYP

VOUT

2mV/DIV

2µs/DIV

2630 G23

ZERO-SCALE

200µs/DIV

2630 G24

Headroom at Rails vs Output

Current

5.0

5V SOURCING

4.5

4.0

3.5

3.0 3V (LTC2630-L) SOURCING

2.5

2.0

1.5

1.0

5V SINKING

0.5 3V (LTC2630-L) SINKING

0

0123 4 567 8

IOUT (mA)

2630 G25

Noise Voltage vs Frequency

500

CODE = MIDSCALE

400

0.1Hz to 10Hz Voltage Noise

VCC = 4V, VFS = 2.5V

CODE = MIDSCALE

300

200

100

0

100

LTC2630-H

(VCC = 5V)

10µV/DIV

LTC2630-L

(VCC = 4V)

1k

10k

100k

1M

FREQUENCY (Hz)

2630 G26

1s/DIV

2630 G27

Exiting Power-Down to Midscale

CS/LD

2V/DIV

VOUT

0.5V/DIV

4µs/DIV

LTC2630-H

2630 G28

Supply Current vs Logic Voltage

1.0

SWEEP SCK, SDI, CS/LD

BETWEEN 0V AND VCC

0.8

0.6

VCC = 5V

0.4

VCC = 3V

(LTC2630-L)

0.2

0

0

1

2

3

4

5

LOGIC VOLTAGE (V)

2630 G29

2630f

11

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