CS35L01 Datasheet, PDF (11/34 Pages) Cirrus Logic – 2.9 W Mono Class-D Audio Amplifier with Low Idle Current

CS35L01/03
ELECTRICAL CHARACTERISTICS - FSD MODE
Parameters
Symbol
Test Conditions
Min
Typ
Max Units
Output Power
(Continuous Average)
THD+N = 1%
R_L = 8 Ω (VBATT = 5.0/4.2/3.7 VDC)
R_L = 4 Ω (VBATT = 5.0/4.2/3.7 VDC)
P_{O THD+N = 10%}
R_L = 8 Ω (VBATT = 5.0/4.2/3.7 VDC)
R_L = 4 Ω (VBATT = 5.0/4.2/3.7 VDC)
- _{1.31/0.92/0.71} -
W
- _{2.21/1.55/1.17} -
W
- _{1.67/1.17/0.91} -
W
- _{2.83/1.97/1.51} -
W
Total Harmonic Distortion + Noise THD+N P_O = 1.0 W
-
0.15
-%
V_ripple = 200 mV_PP, AINx AC coupled to GND
Power Supply Rejection Ratio
PSRR @ 217 Hz
-
75
- dB
@ 1 kHz
-
75
- dB
Common-Mode Rejection Ratio CMRR V_ripple = 1 V_PP, f_ripple = 217 Hz
-
55
- dB
Signal to Noise Ratio
A-Weighted
Inputs AC Coupled to Ground,
Referenced to 1% THD+N
SNR_{A CS35L03}
(Note 12)
-
81
- dB
CS35L01
-
81
- dB
Idle Channel Noise
A-Weighted
ICN_A
AIN+ connected to AIN-
CS35L03
CS35L01
-
300
- μVrms
-
300
- μVrms
Idle Channel Noise
AIN+ connected to AIN-
ICN _CS35L03
CS35L01
-
660
- μVrms
-
660
- μVrms
Frequency Response
FR 20 Hz to 20 kHz
-4.0
0
0.5 dB
Output Switching Frequency
f_sw2
-
76
- kHz
AIN+ connected AIN-, No Output Load
Idle Current Draw
(Note 11)
I_IDLE
VBATT = 5 VDC
VBATT = 4.2 VDC
VBATT = 3.7 VDC
-
0.88
- mA
-
0.86
- mA
-
0.85
- mA
Input Impedance, Single Ended
Z_IN CS35L03
CS35L01
-
160
- kΩ
-
240
- kΩ
Input Voltage @ 1 % THD+N
V_ICLIP
R_L = 8 Ω (VBATT = 5.0/4.2/3.7 VDC)
CS35L03
CS35L01
- 0.82/0.69/0.60 - Vrms
- 1.63/1.36/1.20 - Vrms
Note:
11. Idle Current Draw (I_IDLE) is specified without any output filtering. Refer to Section 5.3 on page 17 for
information on output filtering.
DS909A2
11