CS4237B Datasheet, PDF (4/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound

CS4237B
ANALOG CHARACTERISTICS (Continued)
CS4237B-JQ
CS4237B-KQ
Parameter*
Symbol Min Typ Max Min Typ Max Units
Analog Output Characteristics - Minimum Attenuation (0dB); unless otherwise specified.
DAC Resolution
(Note 1)
16
-
-
16
-
-
Bits
DAC Differential Nonlinearity
(Note 1)
-
- ±0.5 -
- ±0.5 LSB
Dynamic Range
-Total
All Outputs TDR
-
-
-
-
95
-
dB
-Instantaneous
IDR
-
85
-
80 85
-
Total Harmonic Distortion
(Note 3) THD
- 0.01 -
- 0.01 0.02 %
Interchannel Isolation Line Out
(Note 3)
-
95
-
-
95
-
dB
Interchannel Gain Mismatch
Line Out
- ±0.1 ±0.5 - ±0.1 ±0.5 dB
Voltage Reference Output - VREF
2.0 2.2 2.5 2.0 2.2 2.5 V
Voltage Reference Output Current - VREF
(Notes 1,4)
- 100 400 - 100 400 µA
DAC Programmable Attenuation Span
100 106.5 - 100 106.5 -
dB
DAC Attenuation Step Size +12 dB to -81 dB
-82.5 dB to -94.5 dB
1.3 1.5 1.7 1.3 1.5 1.7 dB
1.0 1.5
2
1.0 1.5
2
dB
DAC Offset Voltage
-
-
-
-
±1 ±10 mV
Full Scale Output Voltage:
OUT, MOUT
(Note 3)
2.6 2.8 3.2 2.6 2.8 3.2 Vpp
Gain Drift
- 100 -
- 100 - ppm/°C
Deviation from Linear Phase
(Passband)
(Note 1)
-
-
1
-
-
1 Degree
External Load Impedance
(Note 1)
10
-
-
10
-
-
kΩ
Mute Attenuation
80
-
-
80
-
-
dB
Total Out-of-Band Energy 0.6xFs to 100 kHz
(Note 1)
-
-
-
-
- -45 dB
Audible Out-of-Band Energy 0.6xFs to 22 kHz
(Fs=8kHz) (Note 1)
-
-
-
-
- -70 dB
Power Supply
Power Supply Current
Digital, Operating
Analog, Operating
Total Operating
Total Power Down
-
80
-
-
25
-
- 105 -
- 100 -
-
80 91 mA
-
25 31 mA
- 105 122 mA
- 100 400 µA
Power Supply Rejection 1 kHz
(Note 1)
40
-
-
40
-
-
dB
Notes: 3. 10 kΩ, 100 pF load.
4. DC current only. If dynamic loading exists, then the voltage reference output must be buffered
or the performance of ADCs and DACs will be degraded.
4
DS213PP4