THS5661

12-BIT, 100 MSPS, CommsDAC

™

DIGITAL-TO-ANALOG CONVERTER

SLAS200A – MAY 1999 – REVISED JULY 1999

7

POST OFFICE BOX 655303

48

54

60

66

72

78

84

90

0

1020

304050

fCLK = 100 MSPS

Figure 1

SPURIOUS FREE DYNAMIC RANGE

vs

OUTPUT FREQUENCY AT 0 dBFS

Fout – MHz

fCLK = 5 MSPS

fCLK = 25 MSPS

fCLK = 50 MSPS

fCLK = 70 MSPS

Figure 2

60

66

72

78

84

90

0

0.5

1.0

1.5

2.0

2.5

SPURIOUS FREE DYNAMIC RANGE

vs

OUTPUT FREQUENCY AT 5 MSPS

Fout – MHz

0 dBFS

–6 dBFS

–12 dBFS

60

66

72

78

84

90

02468

10

12

Figure 3

SPURIOUS FREE DYNAMIC RANGE

vs

OUTPUT FREQUENCY AT 25 MSPS

Fout – MHz

–6 dBFS

–12 dBFS

0 dBFS

48

54

60

66

72

78

0

5

10

15

20

25

Figure 4

SPURIOUS FREE DYNAMIC RANGE

vs

OUTPUT FREQUENCY AT 50 MSPS

Fout – MHz

–6 dBFS

–12 dBFS

0 dBFS

†AV

DD = DVDD = 5 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated load, TA = 25°C (unless otherwise

noted.)