LTC1043_09 datasheet(3/16 Pages) LINER

Part #	LTC1043

Description	Dual Precision Instrumentation Switched Capacitor Building Block

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1043

3

1043fa

Power Supply Current vs

Power Supply Voltage

(Test Circuits 2 through 4)

TYPICAL PERFOR A CE CHARACTERISTICS

RON vs VIN

RON (Peak) vs Power Supply

Voltage and Temperature

RON (Peak) vs Power Supply

Voltage

Oscillator Frequency, fOSC

vs COSC

Normalized Oscillator Frequency,

fOSC vs Supply Voltage

Oscillator Frequency, fOSC

vs Supply Voltage

VSUPPLY (V)

0

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

16

LTC1043 • TPC01

48

12

20

14

26

10

18

TA = –55°C

COSC = 0pF

COSC = 0.0047pF

TA = 25°C

COSC = 0pF

COSC = 0.0047pF

TA = 125°C

COSC = 0pF

COSC = 0.0047pF

VIN (V)

0

350

450

550

4

LTC1043 • TPC02

250

150

300

400

500

200

100

1

2

3

5

V+ = 5V

V– = 0V

TA = 25°C

VIN

RON (PEAK)

I = mA

I = 100

µA

I = 100

µA

VIN (V)

0

180

220

260

16

LTC1043 • TPC04

140

100

160

200

240

120

80

4

2

8

6

12 14

18

10

20

V+ = 15V

V– = 0V

TA = 25°C

VIN

RON (PEAK)

I = mA

I = 100

µA

I = 100

µA

COSC (pF)

1k

10k

100k

1M

04k

6k

8k

100

2k

10k

LTC1043 • TPC07

TA = 25°C

V+ = 15V, V– = 0V

V+ = 5V, V– = 0V

V+ = 10V, V– = 0V

VSUPPLY (V)

0

150

200

250

16

LTC1043 • TPC08

100

50

125

175

225

75

25

4

2

8

6

12 14

18

10

20

TA = 25°C

COSC = 0pF

COSC = 100pF

VSUPPLY (V)

0

1.2

1.6

2.0

16

LTC1043 • TPC09

0.8

0.4

1

1.4

1.8

0.6

0.2

0

4

2

8

6

12 14

18

10

20

0pF < COSC < 0.01µF

TA = 25°C

VIN (V)

0

200

240

280

8

LTC1043 • TPC03

160

120

220

260

180

140

100

2

4

6

10

7

1

3

5

9

V+ = 10V

V– = 0V

TA = 25°C

VIN

RON (PEAK)

I = mA

I = 100

µA

I = 100

µA

VSUPPLY (V)

0

600

800

1000

16

LTC1043 • TPC05

400

200

500

700

900

300

100

0

4

2

8

6

12 14

18

10

20

VIN

RON (PEAK)

VIN = 1.6V

VIN ≈ 3.2V

VIN ≈ 7V

VIN ≈ 11V

VIN ≈ 15.1V

3V ≤ V+ + ≤18V

V– = 0V

TA = 25°C

I = 100µA

VSUPPLY (V)

0

700

900

1100

16

LTC1043 • TPC06

500

300

600

800

1000

400

200

100

4

2

8

6

12 14

18

10

20

VIN

RON (PEAK)

TA = 125°C

TA = –55°C

I = 100µA

TA = 70°C

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