MAX5258 데이터 시트보기 (PDF) - Maxim Integrated

부품명

상세내역

일치하는 목록

MAX5258

+3V/+5V, Low-Power, 8-Bit Octal DACs with Rail-to-Rail Output Buffers

Maxim Integrated 

+3V/+5V, Low-Power, 8-Bit Octal DAC

with Rail-to-Rail Output Buffers

(TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

SUPPLY CURRENT vs. REFERENCE

VOLTAGE (VDD = +5V)

1.8

1.6

1.4 ALL DAC CODES = FF HEX

1.2

1.0

0.8

0.6 ALL DAC CODES = OO HEX

0.4

0.2

0

1

2

3

4

5

REFERENCE VOLTAGE (V)

THD + NOISE AT DAC OUTPUT vs.

REFERENCE AMPLITUDE

0

VREF = SINE-WAVE

-10

VDD = +3V

CENTERED AT +1.5V

-20

DAC CODE = FF HEX

80kHz LOWPASS FILTER

-30

-40

VREF = 20kHz

-50

-60

VREF = 1kHz

-70

-80

0

0.5

1.0

1.5

2.0

REFERENCE AMPLITUDE (Vp-p)

THD + NOISE AT DAC OUTPUT vs.

REFERENCE FREQUENCY

-20

-25

VREF = SINE-WAVE

VDD = +3V

-30 CENTERED AT +1.5V

-35

DAC CODE = FF HEX

500kHz LOWPASS FILTER

-40

-45

-50 VREF = 0.5Vp-p

-55

-60 VREF = 1Vp-p

-65

VREF = 2Vp-p

-70

10

100

1k

10k

100k

FREQUENCY (Hz)

5

0

-5

-10

-15

-20

-25

-30

-35

-40

-45

1

REFERENCE INPUT FREQUENCY

RESPONSE

REFERENCE FEEDTHROUGH

vs. FREQUENCY

-50

-55

VREF = 3Vp-p SINE-WAVE

DAC CODE = OO HEX

-60 VDD = +3V

-65

WORST-CASE 1LSB DIGITAL STEP CHANGE

(POSITIVE)

MAX5258/9 toc15

3V

CS

0

-70

VREF = 0.1Vp-p SINE-WAVE

CENTERED AT 2.5V

DAC CODE = FF HEX

VDD = +3V

10 100 1k 10k 100k 1M 10M

FREQUENCY (Hz)

-75

-80

-85

-90

100 1k

WORST-CASE 1LSB DIGITAL STEP CHANGE

(NEGATIVE)

MAX5258/9 toc16

OUTA

50mV/div

10k 100k

FREQUENCY (Hz)

1M 10M

1µs/div

VDD = +3V DAC CODE = 7F TO 80 HEX

VREF = +2.5V NO-LOAD

WORST-CASE 1LSB DIGITAL STEP CHANGE

(POSITIVE)

MAX5258/9 toc17

3V

3V

CS

CS

0

0

OUTA

50mV/div

OUTA

50mV/div

1µs/div

VDD = +3V DAC CODE = 80 TO 7F HEX

VREF = +2.5V NO-LOAD

1µs/div

VDD = +5V DAC CODE = 7F TO 80 HEX

VREF = +4.5V NO-LOAD

8 _______________________________________________________________________________________

Share Link: