LT6237 datasheet(8/52 Pages) LINER

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LTC2373-16

237316fa

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

Typical perForMance characTerisTics

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)

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

Fully Differential Range, VCM = 2.048V, fSMPL = 1Msps, unless otherwise noted.

OUTPUT CODE

–32768

–16384

16384

32768

–1.0

–0.8

–0.6

–0.4

–0.2

–0.0

0.2

0.4

0.6

0.8

1.0

237316 G01

OUTPUT CODE

–32768

–16384

16384

32768

–0.5

–0.4

–0.3

–0.2

–0.1

–0.0

0.1

0.2

0.3

0.4

0.5

237316 G02

σ = 0.21

CODE

–1

50000

100000

150000

200000

250000

237316 G03

σ = 0.25

CODE

32744

32745

32746

50000

100000

150000

200000

250000

237216 G04

SNR = 96.1dB

THD = –114.3dB

SINAD = 96.0dB

SFDR = 117.4dB

FREQUENCY (kHz)

100

200

300

400

500

–180

–160

–140

–120

–100

–80

–60

–40

–20

237316 G05

SNR = 96.7dB

THD = –110.8dB

SINAD = 96.6dB

SFDR = 111.7dB

FREQUENCY (kHz)

100

200

300

400

500

–180

–160

–140

–120

–100

–80

–60

–40

–20

237316 G06

SNR

SINAD

REFBUF VOLTAGE (V)

2.5

3.5

4.5

94.0

94.5

95.0

95.5

96.0

96.5

97.0

237316 G07

SNR

SINAD

INPUT LEVEL (dB)

–40

–30

–20

–10

94.0

94.5

95.0

95.5

96.0

96.5

97.0

237316 G09

THD

3RD

2ND

REFBUF VOLTAGE (V)

2.5

3.5

4.5

–135

–130

–125

–120

–115

–110

–105

237316 G08

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