Typical operating characteristics – Rainbow Electronics MAX5559 User Manual

Page 5

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MAX5556–MAX5559

Low-Cost Stereo Audio DACs

_______________________________________________________________________________________

5

(V

DD

= +5V, GND = 0V, R

OUT_

= 10kΩ, C

OUT_

= 10pF, T

A

= +25°C, unless otherwise noted.)

Typical Operating Characteristics

-0.25

-0.15

-0.20

-0.05

-0.10

0.05

0

0.10

0.20

0.15

0.25

0

0.1

0.2

0.3

0.4

0.5

PASSBAND RIPPLE

MAX5556 toc04

FREQUENCY (NORMALIZED TO f

S

)

AMPLITUDE (dB)

-100

-110

0

-10
-20
-30
-40
-50
-60
-70
-80
-90

-130

-120

-140

0

2

4

6

8

10

12 14

16 18

20

FREQUENCY (kHz)

AMPLITUDE (dBr)

0dBFS FFT

MAX5556 toc05

16,000-SAMPLE FFT USING 1kHz INPUT

-100

-110

0

-10
-20
-30
-40
-50
-60
-70
-80
-90

-130

-120

-140

0

2

4

6

8

10

12 14

16 18

20

FREQUENCY (kHz)

AMPLITUDE (dBr)

-60dBFS FFT

MAX5556 toc06

16,000-SAMPLE FFT USING 1kHz INPUT

-100

-80

-90

-60

-70

-40

-50

-30

-10

-20

0

0

0.2 0.3 0.4

0.1

0.5 0.6 0.7

0.9

0.8

1.0

STOPBAND REJECTION

MAX5556 toc01

FREQUENCY (NORMALIZED TO f

S

)

AMPLITUDE (dB)

-100

-80

-90

-60

-70

-40

-50

-30

-10

-20

0

0.40

0.44

0.48

0.52

0.56

0.60

TRANSITION BAND

MAX5556 toc02

FREQUENCY (NORMALIZED TO f

S

)

AMPLITUDE (dB)

-10

-7

-8

-9

-6

-5

-4

-3

-2

-1

0

0.40

0.44

0.42

0.46

0.48

0.50

0.52

TRANSITION BAND DETAIL

MAX5556 toc03

FREQUENCY (NORMALIZED TO f

S

)

AMPLITUDE (dB)

-100

-110

0

-10
-20
-30
-40
-50
-60
-70
-80
-90

-130

-120

-140

0

2

4

6

8

10

12 14

16 18

20

FREQUENCY (kHz)

AMPLITUDE (dBr)

IDLE-CHANNEL NOISE FFT

MAX5556 toc07

16,000-SAMPLE FFT WITH NO INPUT

-100

-110

0

-10
-20
-30
-40
-50
-60
-70
-80
-90

-130

-120

-140

0

2

4

6

8

10

12 14

16 18

20

FREQUENCY (kHz)

AMPLITUDE (dBr)

TWIN-TONE IMD FFT

MAX5556 toc08

16,000-SAMPLE FFT
WITH 13kHz AND
14kHz INPUT SIGNALS

-110

-100

-80

-90

-70

-60

-60

-40

-50

-30

-20

-10

0

THD+N vs. AMPLITUDE

MAX5556 toc09

AMPLITUDE (dBFS)

THD+N (dBr)

UNWEIGHTED

A-WEIGHTED

INPUT = 1kHz 18-BIT SIGNAL

INTEGRATION BANDWIDTH = 20Hz TO 20kHz

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