ADM7151 datasheet(4/45 Pages) AD

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Data Sheet

LT3097

SPECIFICATIONS

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Rev. 0 | 4 of 45

Table 1. Electrical Characteristics (Continued)

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

VSETP = 0 V to 1.3 V, VINP = 20 V, ILP = 1 mA5

0.3

CHANGE IN VOSN WITH VSETN

VSETN = –1.5 V to –19.5 V, VINN = –20 V, ILN = 1 mA6

0.02

0.5

VSETN = 0 V to –1.5 V, VINN = –20 V, ILN = 1 mA6

0.15

POSITIVE DROPOUT VOLTAGE7

ILP = 1 mA and 50 mA, TA = 25°C

220

275

ILP = 1 mA and 50 mA

330

ILP = 300 mA, TA = 25°C

220

280

ILP = 300 mA

350

ILP = 500 mA, TA = 25°C

260

350

ILP = 500 mA

450

NEGATIVE DROPOUT VOLTAGE8

ILN = 1 mA and 50 mA, TA = 25°C

185

225

ILN = 1 mA and 50 mA

275

ILN = 100 mA, TA = 25°C

185

230

ILN = 100 mA

280

ILN = 500 mA, TA = 25°C

225

310

ILN = 500 mA

410

POSITIVE GND PIN CURRENT, VINP = VOUTP (NOMINAL)9

ILP = 10 µA

2.2

ILP = 1 mA

2.4

ILP = 50 mA

3.5

5.5

ILP = 100 mA

4.3

ILP = 500 mA

NEGATIVE GND PIN CURRENT, VINN = VOUTN (NOMINAL)10 ILN = 10 µA

2.35

ILN = 1 mA

2.4

ILN = 50 mA

3.1

5.5

ILN = 100 mA

3.8

6.5

ILN = 500 mA

POSITIVE OUTPUT NOISE5, 11

ILP = 500 mA, frequency = 10 Hz, CSETP = 0.47 µF, VOUTP

= 3.3 V

500

nV/√Hz

ILP = 500 mA, frequency = 10 Hz, CSETP = 4.7 µF, 1.3 V ≤

VOUTP ≤ 15 V

nV/√Hz

ILP = 500 mA, frequency = 10 kHz, CSETP = 0.47 µF, 1.3

V ≤ VOUTP ≤ 15 V

nV/√Hz

ILP = 500 mA, frequency = 10 kHz, CSETP = 0.47 µF, 0 V

≤ VOUTP < 1.3 V

nV/√Hz

NEGATIVE OUTPUT NOISE6, 12

ILN = 500 mA, frequency = 10 Hz, CSETN = 0.47 µF,

VOUTN = –3.3 V

700

nV/√Hz

ILN = 500 mA, frequency = 10 Hz, CSETN = 4.7 µF, –19.5

V ≤ VOUTN ≤ –1.5 V

nV/√Hz

ILN = 500 mA, frequency = 10 kHz, CSETN = 0.47 µF,

–19.5 V ≤ VOUTN ≤ –1.5 V

2.2

nV/√Hz

ILN = 500 mA, frequency = 10 kHz, CSETN = 0.47 µF, –1.5

V < VOUTN ≤ 0 V

nV/√Hz

POSITIVE OUTPUT RMS NOISE5, 11

ILP = 500 mA, bandwidth = 10 Hz to 100 kHz, CSETP =

0.47 µF, VOUTP = 3.3 V

2.5

µV rms

ILP = 500 mA, bandwidth = 10 Hz to 100 kHz, CSETP = 4.7

µF, 1.3 V ≤ VOUTP ≤ 15 V

0.8

µV rms

ILP = 500 mA, bandwidth = 10 Hz to 100 kHz, CSETP = 4.7

µF, 0 V ≤ VOUTP < 1.3 V

1.8

µV rms

NEGATIVE OUTPUT RMS NOISE6, 12

ILN = 500 mA, bandwidth = 10 Hz to 100 kHz, CSETN =

0.47 µF, VOUTN = –3.3 V

µV rms

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