CS35L00_11 Datasheet, PDF (11/34 Pages) Cirrus Logic – 2.8 W Mono Class-D Audio Amplifier with Low Idle Current

CS35L00
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)
- _{1.28/0.90/0.69} -
W
- _{2.16/1.51/1.15} -
W
- _{1.65/1.17/0.90} -
W
- _{2.76/1.95/1.51} -
W
Total Harmonic Distortion + Noise THD+N P_O = 1.0 W
-
0.10
-%
V_ripple = 200 mV_PP, AINx AC coupled to GND
Power Supply Rejection Ratio
PSRR @ 217 Hz
-
88
- dB
@ 1 kHz
-
80
- dB
Common-Mode Rejection Ratio CMRR V_ripple = 1 V_PP, f_ripple = 217 Hz
-
71
- dB
Signal to Noise Ratio
A-Weighted
Inputs AC Coupled to Ground,
Referenced to 1% THD+N
SNR_{A GAIN_SEL = Low (12 dB)}
(Note 13)
-
80
- dB
GAIN_SEL = High (6 dB)
-
80
- dB
Idle Channel Noise
A-Weighted
ICN_A
AIN+ connected to AIN-
GAIN_SEL = Low (12 dB)
GAIN_SEL = High (6 dB)
-
300
- μVrms
-
290
- μVrms
Idle Channel Noise
AIN+ connected to AIN-
ICN _{GAIN_SEL = Low (12 dB)}
GAIN_SEL = High (6 dB)
-
570
- μVrms
-
550
- μVrms
Frequency Response
FR 20 Hz to 20 kHz
-4.0
0
0.5 dB
Total Group Delay
GD
-
14
- μs
Output Switching Frequency
f_sw2
-
76
- kHz
Idle Current Draw
(Note 12)
I_IDLE
AIN+ connected AIN-, No Output Load
VBATT = 5 VDC
VBATT = 4.2 VDC
VBATT = 3.7 VDC
-
1.07
- mA
-
1.01
- mA
-
0.97
- mA
Input Impedance, Single Ended
Z_IN GAIN_SEL = Low (12 dB)
GAIN_SEL = High (6 dB)
-
160
- kΩ
-
250
- kΩ
Input Voltage @ 1 % THD+N
V_ICLIP
R_L = 8 Ω (VBATT = 5.0/4.2/3.7 VDC)
GAIN_SEL = Low (12 dB)
GAIN_SEL = High (6 dB)
- 0.83/0.69/0.61 - Vrms
- 1.65/1.38/1.21 - Vrms
Note:
12. Idle Current Draw (I_IDLE) is specified without any output filtering. Refer to Section 5.3 on page 17 for
information on output filtering.
DS906PP1
11