DAC9881S datasheet(22/39 Pages) TI1

部件名	DAC9881S

功能描述	18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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22 / 39 page

0

1

2

3

4

5

I

(mA)

SOURCE

2.70

2.65

2.60

2.55

2.50

2.45

2.40

DACLoadedwith3FFFFh

DACLoaded

with3F800h

DACLoaded

with3F000h

DACLoaded

with3E000h

DACLoadedwith3FFFFh,V

=2.5V

REFH

V

,unlessotherwisenoted.

REFH =2.7V

0

1

2

3

4

5

I

(mA)

SINK

0.25

0.20

0.15

0.10

0.05

0

DACLoaded

with00800h

DACLoaded

with01000h

DACLoaded

with02000h

DACLoadedwith00000h

Time(2 s/div)

m

1V/div

1mV/div

5V/div

Large-SignalOutput

LDAC

Signal

CodeChange:00000hto3FFFFh

OutputLoadedwith10k

and

W

50pFtoAGND

Small-SignalError

Time(2 s/div)

m

1V/div

1mV/div

5V/div

Large-SignalOutput

LDAC

Signal

CodeChange:3FFFFhto00000h

OutputLoadedwith10k

and

W

50pFtoAGND

Small-SignalError

Time(2 s/div)

m

1V/div

1mV/div

5V/div

Large-SignalOutput

LDAC

Signal

CodeChange:04000hto3C000h

OutputLoadedwith10k

and

W

50pFtoAGND

Small-SignalError

Time(2 s/div)

m

1V/div

1mV/div

5V/div

Large-SignalOutput

LDAC

Signal

CodeChange:3C000hto04000h

OutputLoadedwith10k

and

W

50pFtoAGND

Small-SignalError

DAC9881

SBAS438A – MAY 2008 – REVISED AUGUST 2008 ......................................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS: AVDD = +2.7V (continued)

At TA = +25°C, VREFH = +2.5V, VREFL = 0V, and Gain = 1X Mode, unless otherwise noted.

OUTPUT VOLTAGE

vs DRIVE CURRENT CAPABILITY

(Operation Near AVDD Rail)

(Operation Near AGND Rail)

Figure 56.

Figure 57.

LARGE SIGNAL

SETTLING TIME

Figure 58.

Figure 59.

LARGE SIGNAL

SETTLING TIME

Figure 60.

Figure 61.

22

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类似零件编号 - DAC9881S

制造商	部件名	数据表	功能描述
Texas Instruments	DAC9881SBRGER	1Mb / 38P	[Old version datasheet] 18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
	DAC9881SBRGET	1Mb / 38P	[Old version datasheet] 18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
	DAC9881SRGER	1Mb / 38P	[Old version datasheet] 18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
	DAC9881SRGET	1Mb / 38P	[Old version datasheet] 18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER

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