LT6237 datasheet(12/52 Pages) LINER

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LTC2373-16

237316fa

For more information www.linear.com/LTC2373-16

Typical perForMance characTerisTics T

A = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,

Pseudo-Differential Bipolar Range, fSMPL = 1Msps, unless otherwise noted.

SNR, SINAD vs Input Level,

fIN = 1kHz

Differential Nonlinearity vs

Output Code

DC Histogram (Near Full-Scale)

32k Point FFT fSMPL = 1Msps,

fIN = 1kHz

32k Point FFT fSMPL = 1Msps,

fIN = 1kHz, REFBUF = 5V

SNR, SINAD vs REFBUF, fIN = 1kHz

THD, Harmonics vs REFBUF,

fIN = 1kHz

Integral Nonlinearity vs Output

Code

DC Histogram (Zero-Scale)

OUTPUT CODE

16384

32768

49152

65536

–1.0

–0.8

–0.6

–0.4

–0.2

–0.0

0.2

0.4

0.6

0.8

1.0

237316 G37

OUTPUT CODE

16384

32768

49152

65536

–0.5

–0.4

–0.3

–0.2

–0.1

–0.0

0.1

0.2

0.3

0.4

0.5

237316 G38

σ = 0.47

CODE

–2

–1

50000

100000

150000

200000

250000

237316 G39

σ = 0.48

CODE

32743 32744 32745 32746 32747

50000

100000

150000

200000

250000

237316 G40

SNR = 93.5dB

THD = –110.3dB

SINAD = 93.4dB

SFDR = 112.8dB

FREQUENCY (kHz)

100

200

300

400

500

–180

–160

–140

–120

–100

–80

–60

–40

–20

237316 G41

SNR = 94.2dB

THD = –109.5dB

SINAD = 94.1dB

SFDR = 112.0dB

FREQUENCY (kHz)

100

200

300

400

500

–180

–160

–140

–120

–100

–80

–60

–40

–20

237316 G42

SNR

SINAD

INPUT LEVEL (dB)

–40

–30

–20

–10

237316 G45

SNR

SINAD

REFBUF VOLTAGE (V)

2.5

3.5

4.5

237316 G43

THD

3RD

2ND

REFBUF VOLTAGE (V)

2.5

3.5

4.5

–130

–125

–120

–115

–110

–105

237316 G44

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