LM4949TLEVAL National Semiconductor, LM4949TLEVAL Datasheet - Page 7

• Manufacturer Part Number: LM4949TLEVAL
• Description: BOARD EVALUATION LM4949TL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4949TLEVAL

• Amplifier Type: Class D
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.5W x 2 @ 4 Ohm; 190mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4949
• Lead Free Status / RoHS Status: Not applicable / Not applicable

I
I
V
P
THD+N
DD
SD
Symbol
OS
OUT
Electrical Characteristics V
(SP)
= 15μH + 8Ω + 15μH, R
Supply Current
Shutdown Supply Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Parameter
L(HP)
= 32Ω, f = 1kHz unless otherwise specified. Limits apply for T
DD
LS Mode
OCL HP Mode
CC HP Mode
Stereo LS + HP Mode
Headphone
Speaker
LS Mode, f = 1 kHz
OCL HP Mode, f = 1 kHz
CC HP Mode, f = 1 kHz
Differential Mode, f = 1kHz
HP Mode, R
HP Mode, R
P
LS Mode
OUT
Stereo
Mono
Stereo
Mono
Stereo
Mono
R
R
R
R
R
R
OCL
CC
OCL
CC
R
R
R
R
R
R
R
R
= 3.6V
L
L
L
L
L
L
L
L
L
L
L
L
L
L
= 4Ω, THD+N = 10%
= 8Ω, THD+N = 10%
= 16Ω, THD+N = 10%
= 32Ω, THD+N = 10%
= 16Ω, THD+N = 10%
= 32Ω, THD+N = 10%
= 4Ω, P
= 8Ω, P
= 30mW
= 4Ω, THD+N = 1%
= 8Ω, THD+N = 1%
= 16Ω, THD+N = 1%
= 32Ω, THD+N = 1%
= 16Ω, THD+N = 1%
= 32Ω, THD+N = 1%
Conditions
L
L
OUT
OUT
= 16Ω, P
= 32Ω,
(Notes 1, 2)
7
= 400mW
= 300mW
OUT
= 50mW
The following specifications apply for A
(Note 6)
Typical
0.765
0.615
0.021
0.021
0.023
9.36
0.03
1.24
0.01
0.01
0.02
6.8
4.9
5.8
4.9
4.7
4.1
6.7
8.9
94
76
55
45
93
75
56
45
1
A
= 25°C.
LM4949
(Notes 7, 8)
Limit
7.3
5.3
6.5
5.5
5.2
4.6
20
49
1
V
www.national.com
= 0dB, R
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mV (max)
mV (max)
µA (max)
(Limits)
Units
mW
mW
mW
mW
mW
mW
mW
mW
mA
W
W
W
W
%
%
%
%
%
%
L