LM4947TL/NOPB National Semiconductor, LM4947TL/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4947TL/NOPB
• Description: IC AUDIO SUBSYSTM 1.19W D 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4947TL/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.19W x 1 @ 8 Ohm; 87mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, Differential Inputs, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Amplifier Class: D
• No. Of Channels: 3
• Output Power: 2.5W
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 32ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SMD
• Rohs Compliant: Yes
• For Use With: LM4947TLEVAL - BOARD EVALUATION LM4947TL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4947TLTR

I
I
V
P
THD+N
N
DDQ
SD
Symbol
OS
O
OUT
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics 3.3V
The following specifications apply for V
Supply Voltage
Storage Temperature
Input Voltage
ESD Susceptibility (Note 3)
ESD Machine model (Note 6)
Junction Temperature (T
Solder Information
Quiescent Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion Plus
Noise
Output Noise
Parameter
J
)
DD
= 3.3V, T
−65°C to +150°C
−0.3 to V
Output Modes 2, 4, 6
V
OCL = 0 (Table 2)
Output Modes 1, 3, 5, 7
V
OCL = 0 (Table 2)
Output Mode 0
V
V
MONO
THD+N = 1%; f = 1kHz, BTL, Mode 1
R
THD+N = 1%; f = 1kHz, SE, Mode 4
MONO
f = 1kHz, P
R
R
f = 1kHz, P
R
A-weighted, 0dB
inputs terminated, output referred
Speaker; Mode 1
Speaker; Mode 3
Speaker; Mode 5
Speaker; Mode 7
Headphone; SE, Mode 2
Headphone; SE, Mode 4
Headphone; SE, Mode 6
Headphone; OCL, Mode 2
Headphone; OCL, Mode 4
Headphone; OCL, Mode 6
IN
IN
IN
IN
OUT
L
OUT
L
(Note 2)
= 8Ω, BTL, Mode 1
= 32Ω, SE, Mode 4
= 0V; No load,
= 0V; No load, BTL,
= 0V, Mode 7, Mono
= 0V, Mode 7, Headphones
A
and L
and L
DD
(Notes 2, 7)
OUT
= 25°C, and all gains are set for 0dB unless otherwise specified.
150°C
OUT
2.0kV
200V
6.0V
+0.3
; R
OUT
OUT
OUT
OUT
L
; R
= 250mW;
= 12mW;
= 8Ω
Conditions
L
5
= 32Ω
Operating Ratings
Thermal Resistance
θ
Temperature Range
Supply Voltage (V
Supply Voltage (I
Supply Voltage (Loudspeaker V
JA
Vapor Phase (60 sec.)
Infrared (15 sec.)
(typ) - TLA25CBA
2
DD
C)
)
(Note 4)
Typical
0.03
0.02
500
4.5
6.5
0.1
37
39
39
42
38
15
15
17
12
15
17
2
2
LM4947
DD
)
(Note 5)
Limits
400
6.5
15
15
33
8
1
2.7V
2.2V
2.7V
−40°C to 85°C
≤
≤
≤
V
V
V
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DD
DD
DD
mA (max)
mA (max)
mV (max)
mV (max)
mW (min)
mW (min)
µA (max)
(Limits)
65°C/W
Units
≤
≤
≤
215°C
220°C
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV
%
%
5.5V
5.5V
5.5V