LTC6362 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC6362

Precision, Low Power Rail-to-Rail Input/Output Differential Op Amp/SAR ADC Driver

Linear Technology 

LTC6362

TYPICAL APPLICATIONS

LTC6362 Used as Lowpass Filter/Driver with 10VP-P Singled-Ended Input, Driving a SAR ADC

1.8nF

2k

1.8nF

4.5V

4-POLE FILTER

f–3dB = 50kHz

5V

0.1µF

0.5V

VCM

5V

–5V

VIN

1.27k

1.27k

1.27k

–+

1.8nF

LTC6362

0.1µF + –

1.8nF

1.27k 1.27k 1.27k

1.8nF

100Ω

100Ω

1.8nF

4.5V

1.8nF

1.8nF

VCM

2k

0.5V

1.8nF

5V 2.5V

AIN+ VREF

VDD

LTC2380-16

SAR ADC

AIN–

GND

6362 TA09

16 BIT

2Msps

18

Differential AV = 1 Configuration Using an LT®5400 Quad-Matched Resistor Network

4.5V

0.5V VINM

4.5V VINP

0.5V

LT5400 R1

1

R2

2

R3

3

R4

4

8

7

0.1µF

6

5

5V

VOCM – +

SHDN LTC6362

+–

6362 TA10a

4.5V

V+OUT

0.5V

4.5V

V–OUT

0.5V

CMRR Comparison Using the LT5400 and 1% 0402 Resistors

100

90

80

70

60

50

40

30

20 VS = 5V, 0V

10

0

10

USING LT5400 MATCHED RESISTORS

USING 1% 0402 RESISTORS

100

1k

10k

100k

FREQUENCY (Hz)

6362 TA10b

6362fa

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