lm4934rlx National Semiconductor Corporation, lm4934rlx Datasheet - Page 6

• Manufacturer Part Number: lm4934rlx
• Description: 3d Audio Sub-system With Stereo Speaker, Ocl/se Stereo Headphone, Earpiece And Mono Line Level Outputs
• Manufacturer: National Semiconductor Corporation

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Xtalk
T
I
I
P
V
THD+N
V
∈
DD
SD
WU
Audio Amplifier Electrical Characteristics AV
2) (Continued)
O
FS DAC
OS
O
The following specifications apply for the circuit shown in Figure 1 with all programmable gain set at 0dB, unless otherwise
specified. Limits apply for T
Audio Amplifier Electrical Characteristics AV
2)
The following specifications apply for the circuit shown in Figure 1 with all programmable gain set at 0dB, unless otherwise
specified. Limits apply for T
Symbol
Symbol
Crosstalk
Wake-Up Time
Supply Current
Shutdown Current
Output Power
Full Scale DAC Output
Total Harmonic Distortion
Offset Voltage
Output Noise
Parameter
Parameter
A
A
= 25˚C.
= 25˚C.
Loudspeaker; P
f = 1kHz
Headphone; P
f = 1kHz; SE
Headphone; P
f = 1kHz; OCL
C
C
V
All Amps On - DAC
Headphone Mode Only
Stereo Speaker Mode Only
Mono Speaker Mode Only
DAC Off, All Amps On
Speaker; THD = 1%;
f = 1kHz, 8Ω BTL
Headphone; THD = 1%;
f = 1kHz, 32Ω SE
Earpiece; THD = 1%;
f = 1kHz, 32Ω BTL
Speaker; P
f = 1kHz, 8Ω BTL
Headphone; P
f = 1kHz, 32Ω SE
Earpiece; P
f = 1kHz, 32Ω BTL; CD4 = 0
Line Out; V
Speaker
Earpiece
HP (OCL)
A = weighted; 0dB gain;
See Table 1
IN
B
B
= 2.2µF, CD6 = 0
= 2.2µF, CD6 = 1
= 0, No Load
O
O
O
6
= 500mW;
= 1Vrms; f = 1kHz, 10kΩ SE
= 40mW;
O
O
O
Conditions
Conditions
O
= 10mW
= 10mW
= 30mW;
= 200mW
DD
DD
= 3.0V, DV
= 5.0V, DV
(Note 6)
(Note 6)
Typical
Typical
Table 1
0.003
0.03
0.01
0.04
–84
–85
–60
175
5.8
1.6
1.2
2.4
DD
35
85
24
17
19
80
DD
7
8
8
8
LM4934
LM4934
= 3.0V
= 3.3V
Limits
(Notes
Limits
(Notes
7, 8)
7, 8)
(Notes 1,
(Notes 1,
mA (max)
(Limits)
(Limits)
Units
Units
mW
mW
Vpp
mA
mA
mA
mA
mV
mV
mV
ms
ms
dB
dB
dB
µA
W
%
%
%
%