LM4857ITLX National Semiconductor, LM4857ITLX Datasheet - Page 6
LM4857ITLX
Manufacturer Part Number
LM4857ITLX
Description
Manufacturer
National Semiconductor
Datasheet
1.LM4857ITLX.pdf
(37 pages)
Specifications of LM4857ITLX
Operational Class
Class-AB
Input Offset Voltage
40@5VmV
Single Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (typ)
3/5V
Supply Current (max)
21@5VmA
Power Supply Requirement
Dual
Rail/rail I/o Type
No
Power Supply Rejection Ratio
86dB
Single Supply Voltage (min)
Not RequiredV
Single Supply Voltage (max)
Not RequiredV
Dual Supply Voltage (min)
2.5/2.7V
Dual Supply Voltage (max)
5.5V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
30
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM4857ITLX
Manufacturer:
NationalS
Quantity:
15 280
Part Number:
LM4857ITLX
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM4857ITLX/NOPB
Manufacturer:
NS
Quantity:
33 000
www.national.com
I
I
P
THD+N
V
DD
SD
Symbol
O
OS
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 V
The following specifications apply for V
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
Thermal Resistance
Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion Plus
Noise
Offset Voltage
Parameter
J
)
DD
Internally Limited
−65˚C to +150˚C
V
LD5 = RD5 = 0 (Note 9)
Mode 1, 6, 11
Mode 4, 5, 9, 10, 14, 15
Mode 2, 3, 7, 8, 12, 13
Output mode 0 (Note 9)
LM4857SP
Speaker; THD+N = 1%;
f = 1kHz; 4Ω BTL
Speaker; THD+N = 1%;
f = 1kHz; 8Ω BTL
Headphone; THD+N = 1%;
f = 1kHz; 32Ω SE
Earpiece; THD+N = 1%;
f = 1kHz; 32Ω BTL, CD4 = 0
Earpiece; THD+N = 1%;
f = 1kHz; 32Ω BTL, CD4 = 1
LD5 = RD5 = 0
Speaker; P
f = 1kHz; 8Ω BTL
Headphone; P
f = 1kHz; 32Ω SE
Earpiece; P
f = 1kHz; 32Ω BTL, CD4 = 0
Line Out, V
f = 1kHz; 5kΩ SE
Speaker; LD5 = RD5 = 0
Earpiece; LD5 = RD5 = 0
= 5.0V, unless otherwise specified. Limits apply for T
IN
−0.3V to V
= 0V, No load;
(Notes 1, 2)
2000V
150˚C
+0.3V
O
O
200V
O
6.0V
= 400mW;
= 1V
= 15mW;
DD
O
Conditions
= 15mW;
RMS
6
;
Operating Ratings
Temperature Range
T
Supply Voltage
MIN
θ
θ
θ
JA
JA
JC
DD
≤ T
(TLA30CZA) (Note 10)
(SPA28A) (Note 12)
(SPA28A)
A
= 5.0V
≤ T
MAX
(Note 6)
Typical
0.009
0.05
0.04
0.05
(Notes 1, 2)
100
135
0.2
1.6
1.2
13
75
6
5
5
5
LM4857
A
= 25˚C.
Limits (Notes
7, 8)
9.5
0.9
2.5V ≤ I
21
60
80
40
30
8
3
−40˚C ≤ T
2.7V ≤ V
2
CV
A
DD
DD
mA (max)
mA (max)
mA (max)
mW (min)
mW (min)
mV (max)
mV (max)
µA (max)
(Limits)
W (min)
≤ +85˚C
62˚C/W
42˚C/W
Units
mW
≤ 5.5V
≤ 5.5V
3˚C/W
W
%
%
%
%