AD7660(2016) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD7660
(Rev.:2016)

16-Bit, 100 kSPS PulSAR® Unipolar CMOS ADC

Analog Devices 

AD7660–Typical Performance Characteristics

3

30

2

25

1

20

0

15

–1

10

–2

5

–3

0

16384 32768 49152 65536

CODE

TPC 1. Integral Nonlinearity

vs. Code

0

0

0.6

1.2

1.8

2.4

3.0

POSITIVE INL – LSB

TPC 2. Typical Positive INL

Distribution (350 Units)

8000

7000

7219

7051

6000

5000

4000

3000

2000

1000

1213

879

0 0 13

0

900

8008 800A 800C 800E 8010

8009 800B 800D 800F 8011

CODE – Hex

TPC 3. Histogram of 16,384

Conversions of a DC Input

at the Code Transition

1.75

1.50

1.25

1.00

0.75

0.50

0.25

0.00

–0.25

–0.50

–0.75

–1.00

0

16384

32768

CODE

49152

65536

TPC 4. Differential Nonlinearity

vs. Code

35

30

25

20

15

10

5

0

–3.0 –2.4 –1.8 –1.2 –0.6

0

NEGATIVE INL – LSB

TPC 5. Typical Negative INL

Distribution (350 Units)

10000

8000

9026

6000

4000

3489 3520

2000

0 0 161

188 0 0

0

8009 800B 800D 800F 8011

800A 800C 800E 8010

CODE – Hex

TPC 6. Histogram of 16,384

Conversions of a DC Input

at the Code Center

0

–20

–40

–60

–80

–100

4096 POINT FFT

fS = 100kHz

fIN = 45kHz

SNR = 90.14dB

SINAD = 89.94dB

THD = –101.37dB

SFDR = 110dB

–120

–140

–160

–180

0

10

20

30

40

50

FREQUENCY – kHz

TPC 7. FFT Plot

–60

120

–70

SFDR

–80

–90

–100 THD

–110 SECOND HARMONIC

–120

THIRD HARMONIC

–130

1

10

100

FREQUENCY – kHz

110

100

90

80

70

60

1000

TPC 8. THD, Harmonics, and SFDR

vs. Frequency

–60

–70

–80

–90

–100

–110

–120

SECOND HARMONIC

THD

–130

THIRD HARMONIC

–140

–90 –80 –70 –60 –50 –40 –30 –20 –10 0

INPUT LEVEL – dB

TPC 9. THD, Harmonics vs.

Input Level

–8–

REV. E

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