140

120

100

80

60

40

20

0

0

5

10

15

20

25

30

35

40

ClockFrequency,f

(MHz)

CLK

I

(

=low)

AVDD REFEN

I

(

=high)

AVDD REFEN

I

+I

IOVDD

DVDD

V

= 6dBFS

-

IN

BIAS

f

=10kHz

R

=37k

IN

W

130

110

90

70

50

30

10

0

50

100

150

200

250

300

R

(k )

W

BIAS

I

AVDD (

=low)

REFEN

I

AVDD (

=high)

REFEN

V

= 6dBFS

f

-

IN

IN

CLK

=10kHz

f

=40MHz

100

95

90

85

80

75

70

-40

-15

10

35

60

85

Temperature(°C)

V

= 1dB

-

IN

V

= 6dB

-

IN

V

= 10dB

-

IN

f

=100kHz

IN

-40

-15

10

35

60

85

Temperature(°C)

V

= 1dB

-

IN

V

= 6dB

-

IN

-80

-85

-90

-95

-100

-105

V

= 10dB

-

IN

-40

-15

10

35

60

85

Temperature(°C)

V

IN = -1dB

120

115

110

105

100

95

90

85

80

V

IN = -10dB

V

IN = -6dB

ADS1602

SBAS341E

– DECEMBER 2004 – REVISED OCTOBER 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All specifications at TA = +25°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 40MHz, External VREF = +3V, VCM = +1.45V, and

RBIAS = 37kΩ, unless otherwise noted.

SUPPLY CURRENT vs CLOCK FREQUENCY

ANALOG SUPPLY CURRENT vs RBIAS

Figure 33.

Figure 34.

SNR vs TEMPERATURE

THD vs TEMPERATURE

Figure 35.

Figure 36.

SFDR vs TEMPERATURE

Figure 37.

14

Copyright

© 2004–2011, Texas Instruments Incorporated