CS42324 datasheet(15/71 Pages) CIRRUS

15 / 71 page

DS721A6

CS42324

DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ)

Test Conditions (unless otherwise specified): VA = 3.13 V to 3.47 V, VD = 3.13 V to 3.47 V, VL = 1.71 V to 3.47 V,

VA_H = 8.55 V to 12.60 V, GND = GNDH = 0 V; TA = -40° C to +85° C; 997 Hz Full-Scale Output Sine Wave.

Decoupling capacitors, filter capacitors, and recommended output filter as shown in Figure 7 on page 26 and Fig-

ure 8 on page 27; Fs = 48 kHz or 96 kHz; Synchronous Mode; Measurement Bandwidth 10 Hz to 20 kHz,

Parameter

Symbol

Min

Typ

Max

Unit

Dynamic Range

(Note 3)

18 to 24-Bit

A-weighted

unweighted

16-Bit

A-weighted

unweighted

100

Total Harmonic Distortion + Noise

(Note 3)

18 to 24-Bit

0 dB

-20 dB

-60 dB

16-Bit

0 dB

-20 dB

-60 dB

THD+N

-90

-77

-37

-87

-77

-37

-80

-67

-27

-77

-67

-27

Interchannel Isolation

(1 kHz)

-100

DC Accuracy

Interchannel Gain Mismatch

0.1

0.25

Gain Drift

100

ppm/°C

Analog Output

Full-Scale Output Voltage

1.9

2.0

2.1

Vrms

Max current draw from an AOUT pin

IOUT

-575

μA

AC-Load Resistance

(Note 4)

Load Capacitance

(Note 4)

100

Output Impedance

ZOUT

-50

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