TLV2785CPWR datasheet(12/44 Pages) TI1

12 / 44 page

TLV2780, TLV2781, TLV2782, TLV2783, TLV2784, TLV2785, TLV278xA

FAMILY OF 1.8 V HIGHSPEED RAILTORAIL INPUT/OUTPUT

OPERATIONAL AMPLIFIERS WITH SHUTDOWN

SLOS245E − MARCH 2000 − REVISED JANUARY 2005

WWW.TI.COM

TYPICAL CHARACTERISTICS

Figure 24

−140

−120

−100

−80

−60

−40

−20

100

1 k

10 k

100 k

Crosstalk in Shutdown

VDD = 1.8 V & 2.7 V

VIC = 60% of VDD

AV = 1

RL= 2 kΩ

TA = 25°C

All Channels

CROSSTALK

FREQUENCY

f − Frequency − Hz

Crosstalk/No Shutdown

Figure 25

100

120

140

100

1 k

10 k

100 k

1 M

10 M

Forward and Reverse Isolation

VDD = 1.8 & 2.7 V

VIC = VDD /2

RL = 2 kΩ

CL= 10 pF

AV = 1

TA = 25°C

SHUTDOWN FORWARD

AND REVERSE ISOLATION

FREQUENCY

f − Frequency − Hz

Figure 26

0.5

1.5

2.0

2.5

−40 −25 −10 5

20 35 50 65 80 95 110 125

SHUTDOWN SUPPLY CURRENT

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

Shutdown = 0V

VIC = VDD/2

AV = 1

VDD = 2.7 V

VDD= 3.6 V

VDD = 1.8 V

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

2.2

2.4

2.6

0.4 0.8 1.2 1.6

2.4 2.8

3.2 3.6

SHUTDOWN SUPPLY CURRENT

SUPPLY VOLTAGE

Shutdown = 0 V

VIC = VDD/2

AV = 1

VDD − Supply Voltage − V

TA = 125°C

TA = 25°C

TA = −40°C

Figure 27

−1

SHUTDOWN SUPPLY CURRENT / OUTPUT VOLTAGE

TIME

t − Time −

µsec

VDD = 2.7 V

AV = 1

RL = 10 kΩ

CL = 10 pF

VIC = VDD/2

TA = 25° C

IDD(SD)

1.5

0.0

0.3

0.5

0.8

1.0

1.3

1.5

0.0

0.3

0.5

0.8

1.0

1.3

1.8

Figure 28

3.0

0.0

0.5

1.0

1.5

2.0

2.5

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