Cirrus Logic CS4207 - Manual (Page 19)

DS880F4 19
CS4207
ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE - DNZ)
(Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; VD = 1.8 V; VL_HD
= VL_IF = 3.3V; T
A
= -40 to +85
C; Measurement bandwidth is 10 Hz to 20 kHz; test load R
L
= 10 k
 C
L
= 10 pF

for the line output and test load R
L
= 16
 C
L
= 10 pF for the headphone output (see Figure 5 ); DAC Gain = 0 dB).
VA, VA_REF = 5.0 V
VA_HP = 5.0 V
(Single-ended)
VA, VA_REF = 3.3 V
VA_HP = 3.3 V
(Single-ended)
Parameter
(Note 4) Min Typ Max Min Typ Max Unit
DAC1; R
L
= 16
; DAC Gain = -5 dB
Dynamic Range
18 to 24-Bit A-weighted
unweighted
16-Bit A-weighted
unweighted
95
92
-
-
101
98
93
90
-
-
-
- 93
90
-
-
99
96
93
90 -
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit 0 dB
-20 dB
-60 dB
16-Bit 0 dB
-20 dB
-60 dB
-
-
-
-
-
- -89
-78
-38
-89
-70
-30 -83
-72
-32
-
-
-
-
-
-
-
-
- -93
-76
-36
-90
-70
-30 -87
-70
-30
-
-
-
dB
dB
dB
dB
dB
dB
DAC1; R
L
= 10 k

Dynamic Range
18 to 24-Bit A-weighted
unweighted
16-Bit
A-weighted
unweighted
100
97
-
-
106
103
96
93
-
-
-
- 98
95
-
-
104
101
96
93
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit 0 dB
-20 dB
-60 dB
16-Bit 0 dB
-20 dB
-60 dB
-
-
-
-
-
- -88
-83
-43
-88
-73
-33 -82
-77
-37
-
-
-
-
-
-
-
-
- -90
-81
-41
-90
-73
-33 -84
-75
-35
-
-
-
dB
dB
dB
dB
dB
dB
Other Characteristics for DAC1; R
L
= 16
 or 10 k
Full-scale Output Voltage, R
L
= 10 k

0.80•VA 0.84•VA 0.88•VA 0.80•VA 0.84•VA 0.88•VA Vpp
Output Power, THD+N = -75 dB, R
L
= 16

- 38 - - 17 - mW
rms
Output Power, THD+N = 1%, R
L
= 16

- 50 - - 23 - mW
rms
Output Power,THD+N = 10%, R
L
= 16

- 74 - - 35 - mW
rms
Interchannel Isolation (1 kHz) 16

10 k

-
- 80
95 -
- -
- 80
93 -
- dB
dB
Interchannel Gain Mismatch - 0.1 0.25 - 0.1 0.25 dB
Output Offset Voltage DAC to HPOUT - 2 5 - 2 5 mV
Gain Drift - ±100 - - ±100 - ppm/°C
AC-Load Resistance (R
L
) (Note 8) 16 - - 16 - -

Load Capacitance (C
L
) (Note 8) - - 150 - - 150 pF
Output Impedance - 300 - - 300 - m
