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LTC1420I

12-Bit, 10Msps, Sampling ADC

Linear Technology 

LTC1420

TYPICAL APPLICATIONS

Single Supply, 10Msps, 12-Bit ADC with 3V Logic Outputs

ANALOG INPUT

(2.5V ±1.024V)

30Ω

470pF

NPO

1µF

1µF

5V

1µF

LTC1420

1

+AIN

GAIN 28

2 –AIN

OF 27

3 VCM

26

CLK

4

25

SENSE VSS

5 VREF

GND 24

6

GND

VDD 23

7

VDD

22

OVDD

8 GND OGND 21

9 D11

D0 20

10

D10

19

D1

11 D9

D2 18

12 D8

D3 17

13

D7

16

D4

14 D6

D5 15

10MHz CLOCK

3V

1µF

5V

1µF

0V TO 3V

12-BIT

PARALLEL DATA

PLUS OVERFLOW

1420 TA03

Dual Supply, 10Msps, 12-Bit ADC with 71dB SINAD

ANALOG INPUT

(±2.048V)

30Ω

470pF, NPO

1µF

1µF

5V

1µF

LTC1420

1 +AIN

28

GAIN

2 –AIN

OF 27

3

VCM

CLK 26

4

25

SENSE VSS

5 VREF

GND 24

6 GND

23

VDD

7

VDD

22

OVDD

8

21

GND OGND

9 D11

D0 20

10 D10

D1 19

11 D9

D2 18

12 D8

D3 17

13 D7

D4 16

14 D6

D5 15

5V

10MHz CLOCK

5V

1µF

–5V

1µF

12-BIT

PARALLEL DATA

PLUS OVERFLOW

1420 TA04

18

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