Characteristics/specifications, Analog characteristics, Cs4391 – Cirrus Logic CS4391 User Manual

Page 5

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CS4391

DS335PP4

5

1.

CHARACTERISTICS/SPECIFICATIONS

ANALOG CHARACTERISTICS

(T

A

= 25° C; Logic "1" = VL = VA; Logic "0" = AGND; Full-Scale Out-

put Sine Wave, 997 Hz; MCLK = 12.288 MHz; SCLK = 3.072 MHz, Sample Rate = 48, 96 or 192 kHz, 24-bit data,
Measurement Bandwidth 10 Hz to 20 kHz, unless otherwise specified. Test load R

L

= 5 k

Ω, C

L

= 10 pF)

Parameter

VA = 3 V

VA = 5 V

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Dynamic Performance

Dynamic Range

(Note 17)

unweighted

A-Weighted

40 kHz Bandwidth

A-Weighted

97

100

-

102
105

99

-
-
-

100
103

-

105
108
102

-
-
-

dB
dB
dB

Total Harmonic Distortion + Noise

(Note 17,2)

0 dB

-20 dB

-60 dB

THD+N

-
-
-

-94
-82
-42

-89

-

-37

-
-
-

-94
-85
-45

-89

-

-40

dB
dB
dB

Idle Channel Noise / Signal-to-Noise Ratio

-

105

-

-

108

-

dB

Interchannel Isolation

(1 kHz)

-

100

-

-

100

-

dB

Power Supplies

Power Supply Current

normal operation

power-down state

I

A

+ I

L

I

A

+ I

L

-
-

12
30

TBD

-

-
-

17
60

TBD

-

mA

µA

Power Dissipation

normal operation

power-down

-
-

36

0.09

TBD

-

-
-

85

0.3

TBD

-

mW
mW

Power Supply Rejection Ratio (1 kHz) (Note 3)

(60 Hz)

PSRR

-
-

60
40

-
-

-
-

60
40

-
-

dB
dB

Parameter

Symbol

Min

Typ

Max

Units

Analog Output

Full Scale Differential Output Voltage

TBD

1.1VA

TBD

Vpp

Common Mode Voltage

CMOUT

-

0.5VA

-

VDC

Interchannel Gain Mismatch

-

0.1

-

dB

Gain Drift

-

100

-

ppm/°C

AC-Load Resistance

R

L

5

-

-

k

Load Capacitance

C

L

-

-

100

pF

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