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Analog output characteristics (commercial - cnz) – Cirrus Logic CS42L51 User Manual

Page 16

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16

DS679F1

CS42L51

ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL - CNZ)

(Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement
bandwidth is 10 Hz to 20 kHz; Sample Frequency = 48 kHz; test load R

L

= 10 k

Ω, C

L

= 10 pF

for the line output

(see

Figure 3

), and test load R

L

= 16

Ω, C

L

= 10 pF (see

Figure 3

) for the headphone output. HP_GAIN[2:0] = 011.)

Parameter

(Note 8)

VA = 2.5V (nominal)

Min Typ Max

VA = 1.8V (nominal)

Min Typ Max Unit

R

L

= 10 k

Dynamic Range

18 to 24-Bit

A-weighted

unweighted
16-Bit

A-weighted

unweighted

92
89

-
-

98
95
96
93

-
-
-
-

89
86

-
-

95
92
93
90

-
-
-
-

dB
dB
dB
dB

Total Harmonic Distortion + Noise

18 to 24-Bit

0 dB

-20 dB
-60 dB

16-Bit

0 dB

-20 dB
-60 dB

-
-
-
-
-
-

-86
-75
-35
-86
-73
-33

-78

-
-
-
-
-

-
-
-
-
-
-

-88
-72
-32
-88
-70
-30

-82

-
-
-
-
-

dB
dB
dB
dB
dB
dB

R

L

= 16

Dynamic Range

18 to 24-Bit

A-weighted

unweighted

16-Bit

A-weighted

unweighted

92
89

-
-

98
95
96
93

-
-
-
-

89
86

-
-

95
92
93
90

-
-
-
-

dB
dB
dB
dB

Total Harmonic Distortion + Noise

18 to 24-Bit

0 dB

-20 dB
-60 dB

16-Bit

0 dB

-20 dB
-60 dB

-
-
-
-
-
-

-75
-75
-35
-75
-73
-33

-69

-
-
-
-
-

-
-
-
-
-
-

-75
-72
-32
-75
-70
-30

-69

-
-
-
-
-

dB
dB
dB
dB
dB
dB

Other Characteristics for R

L

= 16

or 10 k

Output Parameters

Modulation Index (MI)

(Note 9)

Analog Gain Multiplier (G)

-

0.6787
0.6047

-

-

0.6787
0.6047

-

Full-scale Output Voltage (2•G•MI•VA)

(Note 9)

Refer to Table

“Line Output Voltage Characteristics” on

page 18

Vpp

Full-scale Output Power

(Note 9)

Refer to Table

“Headphone Output Power Characteristics”

on page 19

mW

Interchannel Isolation (1 kHz)

16

10 k

-
-

80
95

-
-

-
-

80
93

-
-

dB
dB

Interchannel Gain Mismatch

-

0.1

0.25

-

0.1

0.25

dB

Gain Drift

-

±100

-

-

±100

-

ppm/°

C

AC-Load Resistance (R

L

)

(Note 10)

16

-

-

16

-

-

Load Capacitance (C

L

)

(Note 10)

-

-

150

-

-

150

pF