AMC7820YSLASH2K datasheet(10/29 Pages) TI2

10 / 29 page

AMC7820

SBAS231B

www.ti.com

TYPICAL CHARACTERISTICS: DACs (DAC0, DAC1, DAC2) (Cont.)

At TA = +25°C, +AVDD, BVDD = +5.0V, VREF = Internal +2.5V, unless otherwise noted.

OUTPUT VOLTAGE

vs OUTPUT CURRENT, GAIN = +2

Output Current Magnitude (mA)

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

Sourcing Current

DAC at FFF

Sinking Current

DAC at 008

SETTLING TIME, GAIN = +2

Time (2

µs/div)

Code 2048

Settling Detail

Code 1024

L = 10pF

L = 20kΩ

POWER-ON RESET TO 0V

Time (20

µs/div)

DAC Resets to 000

DD, DVDD, Reset Pin

TYPICAL CHARACTERISTICS: Thermistor Current Source (THERM IOUT, Pin 2)

At TA = +25°C, +AVDD, BVDD = +5.0V, VREF = Internal +2.5V, unless otherwise noted.

THERM_I_OUTPUT vs TEMPERATURE

Temperature (

°C)

0.6

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1.0

–50

–25

100

Ext 2.5V Ref

Int 2.5V Ref

THERM_I_OUTPUT vs COMPLIANCE VOLTAGE

Compliance Voltage (V)

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

µA Nominal

100

µA Nominal

1mA Nominal

AMC7820Y/2K Datasheet(PDF) 10 Page - Texas Instruments

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