REF5050 datasheet(12/43 Pages) TI1

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−135

−130

−125

−120

−115

−110

−105

−100

−95

100

1000

10000

100000

1000000

Load Resistance (

Ω)

Gain = 1/1

Gain = 1/2

Gain = 1/4

Gain = 1/8

Gain = 1/16

Gain = 1/32

Gain = 1/64

G000

−130

−120

−110

−100

−90

−80

−70

−60

−50

100

1000

10000

100000

1000000

Switch Output Load Resistance (

Ω)

Gain = 1/1

Gain = 1/2

Gain = 1/4

Gain = 1/8

Gain = 1/16

Gain = 1/32

Gain = 1/64

G000

−1

−0.75

−0.5

−0.25

0.25

0.5

0.75

−120

−100

−80

−60

−40

−20

Digital Attenuation (dB)

G000

−2.5

−2

−1.5

−1

−0.5

0.5

1.5

2.5

Switch Input/Output Voltage (V)

TA = −40°C

TA = +25°C

TA = +85°C

G000

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

−55

−35

−15

105

125

Temperature (°C)

G000

Switch Differential On Resistance (

Ω)

30 units

G000

DAC1282

SBAS490

– DECEMBER 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, AVDD = +2.5 V, AVSS = –2.5 V, DVDD = 3.3 V, fCLK = 4.096 MHz, and VREF = 5 V, unless otherwise noted.

THD vs RESISTIVE LOAD

SWITCH THD vs RESISTIVE LOAD

Figure 26.

Figure 27.

DIGITAL GAIN LINEARITY

SWITCH ON-RESISTANCE vs SIGNAL VOLTAGE

Figure 28.

Figure 29.

SWITCH ON-RESISTANCE HISTOGRAM

SWITCH ON-RESISTANCE MATCH vs TEMPERATURE

Figure 30.

Figure 31.

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