AD9060

–11–

REV. A

1

2

4

6

8 10

20

60

100

200

40

INPUT FREQUENCY – MHz

20

26

32

38

44

50

56

62

10.0

9.0

8.0

7.0

6.0

5.0

4.0

ENCODE RATE = 60MSPS

+25°C

–55°C & +125°C

AD9060 SNR and ENOB vs. Input Frequency

20

26

32

38

44

50

56

62

10.0

9.0

8.0

7.0

6.0

5.0

4.0

10

20

40

100

CONVERSION RATE – MSPS

60

ANALOG INPUT = 2.3MHz

80

AD9060 SNR and ENOB vs. Conversion Rate

1

2

4

6

8 10

20

60

100

40

40

45

50

55

60

65

70

INPUT FREQUENCY – MHz

35

30

+125

°C

–55

°C

+25

°C

AD9060 Harmonics vs. Input Frequency

ANALOG INPUT (A

48

47

45

44

–1.8

–1.2

–0.6

0

10

70

60

50

40

30

20

+0.6

+1.2

+1.8

46

RESISTANCE

CAPACITANCE

Input Capacitance/Resistance vs. Input Voltage

Offset Binary

Twos Complement

Step

Range

True

Inverted

True

Inverted

0 = –1.75 V

MSB INV = “0”

MSB INV = “1”

MSB INV = “1”

MSB INV = “0”

FS = +1.75 V

LSBs INV = “0”

LSBs INV = “1”

LSBs INV = “0”

LSBs INV = “1”

1024

> + 1.7500

(1)1111111111

(l)0000000000

(1)0111111111

(1)1000000000

1023

+ 1.7466

1111111111

0000000000

0111111111

1000000000

1022

+ 1.7432

1111111110

0000000001

0111111110

1000000001

.

.

....

.

.

....

.

.

....

512

+0.0034

1000000000

0111111111

0000000000

1111111111

511

0.000

0111111111

1000000000

1111111111

0000000000

510

–0.0034

0111111110

1000000001

1111111110

0000000001

.

.

....

.

.

....

.

.

....

02

– 1.7432

0000000010

1111111101

1000000010

0111111101

01

– 1.7466

0000000001

1111111110

1000000001

0111111110

00

< – 1.7466

0000000000

1111111111

1000000000

0111111111

The overflow bit is always 0 except where noted in parentheses ( ). MSB INVERT and LSBs INVERT are considered dc controls.

AD9060 Truth Table