Analog output characteristics (commercial grade) – Cirrus Logic CS4244 User Manual

Page 15

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DS900F1

15

CS4244

ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL GRADE)

Test Conditions (unless otherwise specified). Device configured as shown in

Section 2. on page 7

.

VA_SEL

= 0 for

VA = 3.3 VDC, 1 for VA = 5.0 VDC.; T

A

= 25

C; Full-scale 1 kHz input sine wave; Sample Rate = 48 kHz; Mea-

surement Bandwidth is 20 Hz to 20 kHz; Specifications apply to all channels unless otherwise indicated; all

Power

Down DACx

bits = 0. See

(Note 19)

on page

16

.

VA, VREF= 3.3 V

(Differential/Single-ended)

VA, VREF= 5.0 V

(Differential/Single-ended)

Parameter

Min

Typ

Max

Min

Typ

Max

Unit

Dynamic Performance
Dynamic Range
18 to 24-Bit

A-weighted

unweighted

16-Bit

A-weighted

unweighted

100/96

97/93

89
86

106/102

103/99

95
92

-
-
-
-

103/99
100/96

89
86

109/105
106/102

95
92

-
-
-
-

dB
dB
dB
dB

Total Harmonic Distortion + Noise

-

-90/-88

-84/-82

-

-90/-88

-84/-82

dB

Full-scale Output Voltage

1.48•VA/

0.74•VA

1.56•VA/

0.78•VA

1.64•VA/

0.82•VA

1.48•VA/

0.74•VA

1.56•VA/

0.78•VA

1.64•VA/

0.82•VA

Vpp

Interchannel Isolation (1 kHz)

-

100

-

-

100

-

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 19)

3

-

-

3

-

-

k

Load Capacitance (C

L

)

(Note 19)

-

-

100

-

-

100

pF

Parallel DC-Load Resistance

(Note 20)

10

-

-

10

-

-

k

Output Impedance

-

100

-

-

100

-

PSRR

(Note 21)

1 kHz

60 Hz

-
-

60
60

-
-

-
-

60
60

-
-

dB
dB

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