參數(shù)資料
型號(hào): LM4868LQ/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 音頻/視頻放大
英文描述: 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24
封裝: EXPOSED PAD, PLASTIC, LLP-24
文件頁(yè)數(shù): 22/28頁(yè)
文件大?。?/td> 792K
代理商: LM4868LQ/NOPB
Absolute Maximum Ratings (Note 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD
+0.3V
Power Dissipation (Note 4)
Internally limited
ESD Susceptibility (Note 5)
All pins except Pin 3 (MT, MTE), Pin 2 (LQ)
2000V
Pin 3 (MT, MTE), Pin 2 (LQ)
8000V
ESD Susceptibility (Note 6)
200V
Junction Temperature
150C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JC (typ) — MTC20
20C/W
θ
JA (typ) — MTC20
80C/W
θ
JC (typ) — MXA20A
2C/W
θ
JA (typ) — MXA20A
41C/W (Note 7)
θ
JA (typ) — MXA20A
51C/W (Note 8)
θ
JA (typ) — MXA20A
90C/W (Note 9)
θ
JC (typ) — LQA24A
3.0C/W
θ
JA (typ) — LQA24A
42C/W (Note 10)
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.0V
≤ V
DD
≤ 5.5V
Electrical Characteristics for Entire IC (Notes 3, 11)
The following specifications apply for V
DD= 5V unless otherwise noted. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4868
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 14), HP-IN = 0V
7.5
15
mA (max)
V
IN = 0V, IO = 0A (Note 14), HP-IN = 4V
3.0
6
mA (max)
I
SD
Shutdown Current
V
DD applied to the SHUTDOWN pin
0.7
2
A (max)
TH
um
Un-Mute Threshold Voltage
GND applied to SHUTDOWN pin
V
IN applied to selected MUX channel
25
10
40
mV (min)
mV (max)
Electrical Characteristics for Bridged-Mode Operation (Notes 3, 11)
The following specifications apply for V
DD= 5V unless otherwise specified. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4868
Units
(Limits)
Typical
Limit
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power (Note 15)
THD = 1%, f = 1kHz
LM4868MTE, R
L =3
2.2
W
LM4868LQ, R
L =3
2.4
W
LM4868MTE, R
L =4
1.9
W
LM4868LQ, R
L =4
2.1
W
LM4868, R
L =8
1.1
1.0
W (min)
THD+N = 10%, f = 1kHz (Note 16)
LM4868MTE, R
L =3
3.0
W
LM4868LQ, R
L =3
3.0
W
LM4868MTE, R
L =4
2.6
W
LM4868LQ, R
L =4
2.6
W
LM4868, R
L =8
1.5
W
THD+N = 1%, f = 1 kHz, R
L =32
0.34
W
LM4868
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