LM4888SQBD National Semiconductor, LM4888SQBD Datasheet - Page 5

• Manufacturer Part Number: LM4888SQBD
• Description: BOARD EVALUATION LM4888SQ
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4888SQBD

• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 3W x 2 @ 3 Ohm; 90mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4888
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

I
I
V
V
V
V
T
V
P
THD+N
PSRR
X
V
Symbol
DD
SD
Symbol
WU
IH
IL
IHSD
ILSD
OS
O
TALK
NO
Electrical Characteristics (3V)
The following specifications apply for V
Electrical Characteristics for Bridged-Mode Operation (3V)
The following specifications apply for V
Quiescent Power Supply Current
Shutdown Current
Headphone High Input Voltage
Headphone Low Input Voltage
Shutdown, Headphone micro,
3D Control
High Input voltage
Shutdown, Headphone micro,
3D Control
Low Input voltage
Turn On Time
Output Offset Voltage
Output Power (Note 11)
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Channel Separation
Output Noise Voltage
Parameter
Parameter
DD
DD
= 3V unless otherwise noted. Limits apply for T
= 3V unless otherwise specified. Limits apply for T
V
V
GND applied to the SHUTDOWN pin
V
THD+N = 1%, f = 1kHz (Note 12)
THD+N = 10%, f = 1kHz (Note 12)
1kHz
Input Unterminated, 217Hz
V
C
Input Unterminated, 1kHz
V
C
Input grounded, 217Hz
V
C
Input grounded, 1kHz
V
C
f = 1kHz, C
1kHz, A-weighted
IN
IN
IN
ripple
6
ripple
6
ripple
6
ripple
6
= 1µF, R
= 1µF, R
= 1µF, R
= 1µF, R
= 0V, I
= 0V, I
= 0V
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
LM4888SQ, R
(Notes 3, 7, 13)
= 200mV
= 200mV
= 200mV
= 200mV
O
O
1µF Bypass Cap (C6)
L
L
L
L
6
= 0A (Note 10) , BTL mode
= 0A (Note 10) , SE mode
= 8Ω
= 8Ω
= 8Ω
= 8Ω
= 1.0µF, 3D Control = Low
p-p
p-p
p-p
p-p
Conditions
Conditions
L
L
L
L
L
L
L
L
5
= 3Ω
= 4Ω
= 8Ω
= 3Ω
= 4Ω
= 8Ω
= 4Ω, P
= 8Ω, P
O
O
= 280mW
= 200mW
A
(Note 8)
Typical
= 25˚C.
0.01
140
4.5
2.5
2.2
1.5
0.8
A
1
(Note 8)
Typical
= 25˚C.
LM4888
0.05
.82
.70
.43
1.0
.85
.53
0.1
90
80
65
73
85
21
5
(Notes 3, 7, 13)
LM4888
(Note 9)
Limit
1.4
.4
(Note 9)
Limit
www.national.com
(Limits)
V (max)
V (min)
Units
(Limits)
mA
mA
ms
µA
Units
V
V
mV
dB
dB
dB
dB
dB
µV
W
W
W
W
W
W
%
%