115

110

105

100

95

1.5

2.0

2.5

3.0

3.5

InputCommon-ModeVoltage(V)

f

=10kHz

f

=4MSPS

WBFilter

IN

DATA

AIN= 0.5dBFS

-

AIN= 6dBFS

-

93.0

92.5

92.0

91.5

91.0

90.5

90.0

89.5

89.0

88.5

88.0

0

10

20

30

40

50

60

R

(k )

W

BIAS

f

=10kHz

AIN= 0.5dBFS

IN

-

f

=8MHz

CLK

f

=16MHz

CLK

f

=32MHz

CLK

114

112

110

108

106

104

102

100

98

96

94

0

10

20

30

40

50

60

R

(k )

W

BIAS

f

=10kHz

AIN= 0.5dBFS

IN

-

f

=8MHz

CLK

f

=16MHz

CLK

f

=32MHz

CLK

1100

1000

900

800

700

600

500

400

300

200

100

0

10

20

30

40

50

60

R

(k )

W

BIAS

f

=10kHz

AIN= 0.5dBFS

IN

-

f

=8MHz

CLK

f

=16MHz

CLK

f

=32MHz

CLK

105

100

95

90

-40

-15

10

35

60

85

Temperature( C)

°

f

=10kHz

AIN= 0.5dBFS

f

=4MSPS

WB

IN

DATA

-

Filter

|THD|

SNR

112

110

108

106

104

102

100

98

96

94

92

8 16

32

64

256

OversamplingRatio

InputShorted

f

=32MHz

125kSPS:DRATE=000

250kSPS:

500kSPS:

1MSPS:

2MSPS:

4MSPS:

CLK

DRATE=001

DRATE=010

DRATE=011

DRATE=100

DRATE=101

128

LLFilter

WBFilter

ADS1675

www.ti.com

SBAS416D – DECEMBER 2008 – REVISED AUGUST 2010

TYPICAL CHARACTERISTICS (continued)

All specifications are at TA = –40°C to +85°C, AVDD = 5V, DVDD = 3V, fCLK = 32MHz, VREF = +3V, and RBIAS = 7.5kΩ, unless

otherwise noted.

|TOTAL HARMONIC DISTORTION|

vs INPUT COMMON-MODE VOLTAGE

SIGNAL-TO-NOISE RATIO vs RBIAS

Figure 24.

Figure 25.

|TOTAL HARMONIC DISTORTION| vs RBIAS

POWER vs RBIAS

Figure 26.

Figure 27.

SIGNAL-TO-NOISE RATIO AND

|TOTAL HARMONIC DISTORTION|

vs TEMPERATURE

DYNAMIC RANGE vs OVERSAMPLING RATIO

Figure 28.

Figure 29.

Copyright © 2008–2010, Texas Instruments Incorporated

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