ADS5553

SLWS158 − FEBRUARY 2005

www.ti.com

13

TYPICAL CHARACTERISTICS

Typical values are at TA = 25°C, AVDD = DRVDD = 3.3 V, differential input amplitude = −1 dBFS, sampling rate = 65 MSPS, unless otherwise

noted

Figure 14

−140

−120

−100

−80

−60

−40

−20

0

0

5

10

15

20

25

30

f − Frequency − MHz

WCDMA CARRIER

fS = 61.4 MSPS

fIN = 70 MHz

PAR = 5 dB

ACPR Adj Top = 76.9 dB

ACPR Adj Low = 75.9 dB

Figure 15

−140

−120

−100

−80

−60

−40

−20

0

0

5

10

15

20

25

30

f − Frequency − MHz

WCDMA CARRIER

fS = 61.4 MSPS

fIN = 170 MHz

PAR = 5 dB

ACPR Adj Top = 73.3 dB

ACPR Adj Low = 74.1 dB

Figure 16

AIN − Input Amplitude − dBFS

−20

0

20

40

60

80

100

120

−90 −80 −70 −60 −50 −40 −30 −20 −10

0

fS = 65 MSPS

fIN = 46 MHz

AC PERFORMANCE

vs

INPUT AMPLITUDE

SNR (dBFS)

SNR (dBc)

SFDR (dBc)

SFDR (dBFS)

Figure 17

AIN − Input Amplitude − dBFS

−20

0

20

40

60

80

100

120

−90 −80 −70 −60 −50 −40 −30 −20 −10

0

fS = 65 MSPS

fIN = 150 MHz

AC PERFORMANCE

vs

INPUT AMPLITUDE

SNR (dBFS)

SNR (dBc)

SFDR (dBc)

SFDR (dBFS)

Figure 18

AIN − Input Amplitude − dBFS

−20

0

20

40

60

80

100

120

−100 −90 −80 −70 −60 −50 −40 −30 −20 −10

0

fS = 65 MSPS

fIN = 225 MHz

AC PERFORMANCE

vs

INPUT AMPLITUDE

SNR (dBFS)

SNR (dBc)

SFDR (dBc)

SFDR (dBFS)

Figure 19

fS − Sampling Rate − MSPS

0.70

0.75

0.80

0.85

0.90

0.95

1.00

10

20

30

40

50

60

70

80

POWER DISSIPATION

vs

SAMPLING RATE

fIN = 46 MHz