ADSP-BF504 datasheet(59/80 Pages) AD

59 / 80 page

Preliminary Technical Data

Rev. PrC

Page 59 of 80

January 2010

ADSP-BF504/F,ADSP-BF506F

Figure 62. Linearity Error vs. VREF

Figure 63. Effective Number of Bits vs. VREF

Figure 64. VREF vs. Reference Output Current Drive

VREF (V)

2.5

0.5

1.0

1.5

2.0

1.0

0.6

0.8

0.2

0.4

–0.2

–0.6

–0.4

–1.0

–0.8

VDD = 3V/5V

DIFFERENTIAL MODE

POSITIVE INL

POSITIVE DNL

NEGATIVE DNL

NEGATIVE INL

VREF (V)

5.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

12.0

11.0

11.5

10.0

10.5

9.0

9.5

8.0

7.5

8.5

7.0

VDD = 5V

DIFFERENTIAL MODE

VDD = 3V

DIFFERENTIAL MODE

VDD = 3V

SINGLE-ENDED MODE

VDD = 5V

SINGLE-ENDED MODE

CURRENT LOAD ( A)

200

100

120

140

160

180

2.5010

2.5000

2.5005

2.4995

2.4990

2.4985

2.4980

Figure 65. Histogram of Codes for 10k Samples in Differential Mode

Figure 66. Histogram of Codes for 10k Samples in Single-Ended Mode

Figure 67. CMRR vs. Common-Mode Ripple Frequency

CODE

2046

2047

2049

2048

2050

10000

8000

9000

6000

7000

4000

5000

2000

1000

3000

10000

CODES

DIFFERENTIAL

MODE

INTERNAL

REFERENCE

CODE

2046

2047

2048

2049

2050

10000

9000

8000

7000

6000

5000

4000

3000

2000

1000

9984

CODES

SINGLE-ENDED

MODE

INTERNAL

REFERENCE

5 CODES

11 CODES

RIPPLE FREQUENCY (kHz)

1200

200

400

600

800

1000

–60

–65

–70

–75

–80

–85

–95

–90

–100

DIFFERENTIAL MODE

VDD = 3V/5V

ADSP-BF504 Datasheet(PDF) 59 Page - Analog Devices

ADSP-BF504 Datasheet(HTML) 59 Page - Analog Devices

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