LM4670SD National Semiconductor, LM4670SD Datasheet - Page 6
LM4670SD
Manufacturer Part Number
LM4670SD
Description
IC,Audio Amplifier,SINGLE,LLCC,8PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheet
1.LM4670SD.pdf
(20 pages)
Specifications of LM4670SD
Operational Class
Class-AB
Audio Amplifier Output Configuration
1-Channel Mono
Output Power (typ)
3x1@4OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.35@8Ohm@1W%
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Rail/rail I/o Type
No
Power Supply Rejection Ratio
68dB
Single Supply Voltage (min)
2.4V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
LLP EP
Amplifier Class
AB
No. Of Channels
1
Output Power
3W
Supply Voltage Range
2.4V To 5.5V
Thd + N
0.35% @ 1W, VDD=5V
Load Impedance
4ohm
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM4670SD
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM4670SD/NOPB
Manufacturer:
TI/NS
Quantity:
2 500
www.national.com
Typical Performance Characteristics
V
V
V
DD
DD
DD
= 2.5V, R
P
= 3.6V, R
P
= 5V, R
P
OUT
OUT
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
OUT
= 375mW, 22kHz BW
= 500mW, 22kHz BW
= 1.5W, 22kHz BW
L
L
L
= 15µH + 4Ω + 15µH
= 15µH + 4Ω + 15µH
= 15µH + 8Ω + 15µH
20089941
20089945
20089944
(Note 10)
6
V
V
V
DD
DD
DD
= 3.6V, R
P
= 2.5V, R
P
= 5V, R
OUT
OUT
P
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
OUT
= 750mW, 22kHz BW
= 200mW, 22kHz BW
= 1W, 22kHz BW
L
L
L
= 15µH + 8Ω + 15µH
= 15µH + 4Ω + 15µH
= 15µH + 8Ω + 15µH
20089943
20089942
20089946