TLV255X datasheet(37/53 Pages) TI

37 / 53 page

TLV225x, TLV225xA

Advanced LinCMOS RAILTORAIL

VERY LOW POWER OPERATIONAL AMPLIFIERS

SLOS185D − FEBRUARY 1997 − REVISED AUGUST 2006

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 56

PHASE MARGIN

LOAD CAPACITANCE

CL − Load Capacitance − pF

101

10 2

10 3

10 4

Rnull = 200 Ω

Rnull = 500 Ω

Rnull = 50 Ω

Rnull = 0

TA = 25°C

Rnull = 100 Ω

Rnull = 10 Ω

50 k

Ω

50 k

Ω

VDD −

VDD +

Rnull

−

Figure 57

GAIN MARGIN

LOAD CAPACITANCE

CL − Load Capacitance − pF

101

10 2

10 3

10 5

Rnull = 100 Ω

TA = 25°C

Rnull = 50 Ω

10 4

Rnull = 500 Ω

Rnull = 200 Ω

Rnull = 0

Rnull = 10 Ω

Figure 58

UNITY-GAIN BANDWIDTH

LOAD CAPACITANCE

CL − Load Capacitance − pF

150

100

200

125

175

101

10 2

10 3

10 4

10 5

TA = 25°C

† See application information

Figure 59

OVERESTIMATION OF PHASE MARGIN†

LOAD CAPACITANCE

CL − Load Capacitance − pF

101

10 2

10 3

10 4

10 5

TA = 25°C

Rnull = 100 Ω

Rnull = 50 Ω

Rnull = 10 Ω

Rnull = 500 Ω

Rnull = 200 Ω

‡ Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.

† For all curves where VDD = 5 V, all loads are referenced to 2.5 V. For all curves where VDD = 3 V, all loads are referenced to 1.5 V.

TLV255X Datasheet(PDF) 37 Page - Texas Instruments

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