Dac analog characteristics - automotive (-dqz) – Cirrus Logic CS4362A User Manual

Page 10

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10

DS617F2

CS4362A

DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ)

Test Conditions (unless otherwise specified): VA = 4.75 to 5.25 V; VLS = 1.71 to 5.25 V; VLC = 1.71 to 5.25 V; VD
= 2.37 to 2.63 V; T

A

= -40

°

C to 85

°

C; Full-Scale 997 Hz input sine wave

(Note 1)

; Tested under max ac-load resis-

tance; Valid with FILT+ and VQ capacitors as shown in

“Typical Connection Diagram” on page 19

; Measurement

Bandwidth 10 Hz to 20 kHz.

Parameters

Symbol

Min

Typ

Max

Unit

FS = 48 kHz, 96 kHz, 192 kHz and DSD

Dynamic Range

24-bit A-weighted

Unweighted

16-bit A-weighted

(Note 2)

Unweighted

105
102

-
-

114

111

97
94

-
-
-
-

dB
dB
dB
dB

Total Harmonic Distortion + Noise 24-bit

0 dB

-20 dB
-60 dB

(Note 2)

16-bit 0 dB

-20 dB

-60 dB

THD+N

-
-
-
-
-
-

-100

-91
-51
-94
-74
-34

-91

-

-42

-
-
-

dB
dB
dB
dB
dB
dB

Idle Channel Noise / Signal-to-noise Ratio

-

114

-

dB

Interchannel Isolation

(1 kHz)

-

110

-

dB

DC Accuracy

Interchannel Gain Mismatch

-

0.1

-

dB

Gain Drift

-

100

-

ppm/°C

Analog Output

Full-scale Differential Output Voltage

V

FS

128%•V

A

132%•V

A

136%•V

A

Vpp

Output Impedance

(Note 3)

Z

OUT

-

130

-

Max DC Current Draw From an AOUT Pin

I

OUTmax

-

1.0

-

mA

Min AC-load Resistance

R

L

-

3

-

k

Max Load Capacitance

C

L

-

100

-

pF

Quiescent Voltage

V

Q

-

50%•V

A

-

VDC

Max Current draw from V

Q

I

QMAX

-

10

-

µA

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