LTC2602 datasheet(6/26 Pages) LINER

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LTC2321-16

232116fc

For more information www.linear.com/2321-16

Typical perForMance characTerisTics

THD, Harmonics vs Input

Common Mode (1.2MHz)

SNR, SINAD vs Reference Voltage,

fIN = 500kHz

32k Point FFT, IMD, fS = 2Msps,

VIN+ = 100kHz, VIN– = 500kHz

32k Point FFT, fS = 2Msps,

fIN = 500kHz

SNR, SINAD vs Input Frequency

THD, Harmonics

vs Input Frequency

Integral Nonlinearity

vs Output Code

Differential Nonlinearity

vs Output Code

DC Histogram

TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 =

4.096V, fSMPL = 2Msps, unless otherwise noted.

OUTPUT CODE

–8

–4

–6

–2

–24576

–8192

16384

32768

–32768

–16384

8192

24576

232116 G01

OUTPUT CODE

–1.0

–0.5

0.5

1.0

–24576

–8192

16384

32768

–32768

–16384

8192

24576

232116 G02

CODE

8000

18000

20000

–4

–2

4000

14000

6000

16000

2000

12000

10000

–5

–3

–1

4 5

232116 G03

232116 G04

FREQUENCY (MHz)

0.8

0.4

0.2

0.6

–20

–40

–60

–80

–100

–120

–140

SNR = 81.0dB

THD = –94.6dB

SINAD = 80.8dB

SFDR = 100.9dB

FREQUENCY (MHz)

80.0

80.5

81.5

81.0

82.0

82.5

83.0

0.5

1.5

2.5

232116 G05

SINAD

SNR

FREQUENCY (MHz)

–110

–105

–100

–95

–90

–85

232116 G06

0.5

1.5

2.5

THD

INPUT COMMON MODE (V)

1.7

–90

–85

–80

3.1

–95

–100

2.1

2.5

1.9

2.3

2.7 2.9

3.3

–105

–110

–75

232116 G07

THD

VREF (V)

0.5

1.5

2.5

4.5

3.5

232116 G08

SINAD

SNR

232116 G09

FREQUENCY (MHz)

0.8

0.4

0.2

0.6

–20

–40

–60

–80

–100

–120

–140

F1 = 100kHz

F2 = 500kHz

IMD = 97dBc

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