LM4934RLX/NOPB National Semiconductor, LM4934RLX/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4934RLX/NOPB
• Description: IC AUDIO SUBSYSTEM 1.2W 42USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4934RLX/NOPB

• Output Type: 2-Channel (Stereo) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 2 @ 8 Ohm; 80mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, I²C, I²S, Mute, Shutdown, SPI, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 42-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4934RLX

I
I
P
V
THD+N
V
∈
PSRR
DD
SD
O
FS DAC
OS
O
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
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
Analog Supply Voltage
Digital Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility(Note 5)
Junction Temperature
Thermal Resistance
Supply Current
Shutdown Current
Output Power
Full Scale DAC Output
Total Harmonic Distortion
Offset Voltage
Output Noise
Power Supply Rejection Ratio
Parameter
A
= 25˚C.
-0.3V to V
Internally Limited
-65˚C to +150˚C
(Notes 1, 2)
DD
V
All Amps On + DAC, OCL
Headphone Mode Only, OCL
Stereo Speaker Mode Only
Mono Speaker Mode Only
DAC Off, All Amps On, OCL
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
Line Out; V
Speaker
Earpiece
HP (OCL)
A = weighted; 0dB gain;
See Table 1
f = 217Hz; V
C
IN
B
2000V
150˚C
+0.3V
200V
= 2.2µF; See Table 2
= 0, No Load
6.0V
6.0V
O
O
O
ripple
= 200mW;
5
= 1Vrms; f = 1kHz, 10kΩ SE
= 20mW;
O
Conditions
= 10mW;
Operating Ratings
= 200mV
Temperature Range
Supply Voltage
See AN-1279
θ
T
JA
MIN
(RLA42)
≤ T
DD
P-P
A
= 3.0V, DV
≤ T
MAX
(Note 6)
Typical
Table 1
Table 2
0.004
18.5
14.6
0.04
0.01
0.04
420
5.6
5.9
0.6
2.4
12
27
45
DD
8
8
8
LM4934
= 3.0V
2.4V ≤ I
−40˚C ≤ T
2.7V ≤ DV
2.7V ≤ AV
Limits
(Notes
7, 8)
26.5
19.5
370
22
24
40
55
50
40
8
8
2
2
CV
(Notes 1,
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A
DD
DD
DD
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mW (min)
mW (min)
mW (min)
mV (max)
mV (max)
≤ +85˚C
µA (max)
61˚C/W
(Limits)
≤ 5.5V
≤ 4.0V
≤ 4.0V
Units
Vpp
mV
%
%
%
%