MAX5803ATBT データシートの表示（PDF） - Maxim Integrated

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MAX5803ATBT

Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output Voltage DACs with Internal Reference and I2C Interface

Maxim Integrated 

MAX5803/MAX5804/MAX5805

Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output

Voltage DACs with Internal Reference and I2C Interface

Typical Operating Characteristics (continued)

(MAX5805, 12-bit performance, TA = +25NC, unless otherwise noted.)

FULL-SCALE ERROR AND GAIN ERROR

vs. TEMPERATURE

0.12

VREF = 2.5V (EXTERNAL)

NO LOAD

0.10

GAIN ERROR (VDD = 5V)

0.08 FULL-SCALE ERROR

0.06

0.04

GAIN ERROR (VDD = 3V)

0.02

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

(2.500V INTERNAL REFERENCE)

300

DAC ON REFERENCE PAD DRIVEN

250

200

DAC ON

REFERENCE PAD UNDRIVEN

150

100

DAC ON EXT REFERENCE = 2.5V

50

VDD = VDDIO

VDAC = FULL SCALE

NO LOAD

0

2.7 3.1 3.5 3.9

DAC OFF

REFERENCE

OUTPUT ONLY

4.3 4.7 5.1 5.5

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs. TEMPERATURE

(PIN UNDRIVEN FOR INTERNAL REF MODES)

380

VDD = VDDIO

340 VDAC_ = FULL SCALE

DAC ENABLED

VREF = 4.096V,

VDD = 5V

300 NO LOAD

260

VREF = 2.5V, VDD = 3V

220

VREF = 2.048V,

VDD = 3V

180

VREF = VDD = 5V

140

VREF = VDD = 3V

100

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

(4.096V INTERNAL REFERENCE)

400

DAC ON

350

REFERENCE PAD DRIVEN

300

250

200

DAC OFF

REFERENCE

150 OUTPUT ONLY

DAC ON

REFERENCE PAD

UNDRIVEN

100

VDD = VDDIO

50 VDAC = FULL SCALE

NO LOAD

0

4.00 4.25 4.50 4.75 5.00 5.25 5.50

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

(2.048V INTERNAL REFERENCE)

300

DAC ON

250

REFERENCE PAD DRIVEN

200

DAC OFF

150

REFERENCE

DAC ON

OUTPUT ONLY REFERENCE PAD

UNDRIVEN

100

50

VDD = VDDIO

VDAC = FULL SCALE

NO LOAD

0

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

SUPPLY VOLTAGE (V)

POWER-DOWN MODE SUPPLY

CURRENT vs. SUPPLY VOLTAGE

0.8

0.7

VDD = VREF

(EXTERNAL, ACTIVE)

0.6

0.5

TA = +85°C

0.4

TA = +125°C

0.3

0.2

0.1

TA = +25°C TA = -40°C

0

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs. CODE

(FOR INTERNAL REF, PIN IS UNDRIVEN)

350

300

VDD = 5V,

VDD = 5V, VREF(INT) = 2.048V

VREF(INT) = 4.096V

VDD = 5V,

VREF(INT) = 2.5V

250

200

150

100

VDD = VREF(EXT) = 5V

VDD = VREF(EXT) = 3V

50

NO LOAD, TA = +25°C

0

0 512 1024 1536 2048 2560 3072 3584 4096

CODE (LSB)

Maxim Integrated

IREF (EXTERNAL) vs. CODE

60

55

VDD = VREF

NO LOAD

50

45

VREF = 5V

40

35

VREF = 3V

30

25

20

0

512 1024 1536 2048 2560 3072 3584 4096

CODE (LSB)

  10

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