CS42418 datasheet(55/67 Pages) CIRRUS

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CS42418

ANALOG OUTPUT CHARACTERISTICS (T

A = 25° C; VA = 5 V, VD = 3.3 V, Logic "0" = DGND

=AGND = 0 V; Logic "1" = VLS = VLC = 5V; Measurement Bandwidth 10 Hz to 20 kHz unless otherwise specified.;

Full scale output 997 Hz sine wave, Test load RL = 3 kΩ, CL = 30 pF; OMCK = 12.288 MHz; Single speed Mode,

DAC_SCLK = 3.072 MHz; Double Speed Mode, DAC_SCLK = 6.144 MHz; Quad Speed Mode, DAC_SCLK =

12.288 MHz.)

Notes: 8. One-half LSB of triangular PDF dither is added to data.

9. Performance limited by 16-bit quantization noise.

Parameter

Symbol

CS42418-CQ

Min

Typ

Max

CS42418-DQ

Min

Typ

Max

Unit

Dynamic performance for all modes

Dynamic Range(Note 8)

24-bit A-weighted

unweighted

16-bit A-Weighted

(Note 9) unweighted

104

101

110

107

104

101

110

107

Total Harmonic Distortion + Noise

24-bit

0 dB

-20 dB

-60 dB

16-bit

0 dB

(Note 9)

-20 dB

-60 dB

THD+N

-100

-91

-51

-94

-74

-34

-94

-100

-91

-51

-94

-74

-34

-94

Idle Channel Noise/Signal-to-noise

ratio

110

Interchannel Isolation

(1 kHz)

Analog Output Characteristics for all modes

Full Scale Differential Output

.88VA

.92VA

.94VA .88VA

.92VA

.94VA

Vpp

Interchannel Gain Mismatch

0.1

Gain Drift

100

ppm/°C

Output Impedance

ZOUT

100

Ω

AC-Load Resistance

Ω

Load Capacitance

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