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CS35L01-CWZR Fiches technique(PDF) 9 Page - Cirrus Logic

No de pièce CS35L01-CWZR
Description  2.9 W Mono Class-D Audio Amplifier with Low Idle Current
Download  34 Pages
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Fabricant  CIRRUS [Cirrus Logic]
Site Internet  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS35L01-CWZR Fiches technique(HTML) 9 Page - Cirrus Logic

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CS35L01/03
DS909A2
9
ELECTRICAL CHARACTERISTICS - ALL OPERATIONAL MODES
Note:
6. No external loads should be connected to the LFILT+ net. Any connection of a load to this point may
result in errant operation or performance degradation in the device.
7. When VBATT is below this threshold (VBLIM), operation is automatically restricted to SD mode.
8. When operating in HD or FHD mode and the differential input voltage remains below the input level
threshold (VIN-LDO) for a period of time (tLDO), the PWM outputs will be powered by the internally
generated LDO supply (VLDO).
9. When operating in HD or FHD mode and the differential input voltage is above this input level
threshold (VIN-VBATT), the PWM outputs will powered directly from the VBATT supply.
10. Refer to Section 5.5 for more information on Thermal Error functionality.
Parameters
Symbol
Test Conditions
Min
Typ
Max Units
Max. Current from LFILT+
(Note 6)
ILFILT+
-10
-
μA
LFILT+ Output Impedance
ZLFILT+
-0.7
-
Ω
VBATT Limit for HD/FHD Mode
(Note 7)
VBLIM
-3.0
-
VDC
Input Level for Entering LDO Operation in
HD/FHD Modes
(Note 8)
VIN-LDO
CS35L03
CS35L01
-
-
0.014•VBATT
0.027•VBATT
-
-
Vrms
Vrms
Input Level for Entering VBATT Operation
in HD/FHD Modes
(Note 9)
VIN-VBATT
CS35L03
CS35L01
-
-
0.09
0.18
-
-
Vrms
Vrms
LDO Entry Time Delay
tLDO
-
800
-
ms
LDO Level for HD/FHD Modes
VLDO
-
1.0
-
V
Output Offset Voltage
VOFFSET Inputs AC coupled to GND
-+/-2
-
mV
Amplifier Gain
AV
CS35L03
CS35L01
-
-
12
6
-
-
dB
dB
Shutdown Supply Current
IA(SD)
SD = Low
-0.05
-
μA
MOSFET On Resistance
RDS(ON) Ibias = 0.5 A
-
270
-
m
Ω
Thermal Error Threshold
(Note 10)
TTE
-
150
-
°C
Thermal Error Retry Time
(Note 10)
RTE
-
100
-
ms
Under Voltage Lockout Threshold
UVLO
-
1.9
-
V
Total Group Delay
GD
-
10
-
μs
Operating Efficiency
η
Output Levels at 10% THD+N
VBATT = 5 VDC
-
90
-
%
VBATT = 3.7 VDC
-
89
-
%
VBATT = 5 VDC
-
84
-
%
VBATT = 3.7 VDC
-
82
-
%


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