LM4861MX/NOPB National Semiconductor, LM4861MX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4861MX/NOPB
• Description: Audio Amp Speaker 1-CH Mono 1.1W Class-AB 8-Pin SOIC N T/R
• Manufacturer: National Semiconductor

Specifications of LM4861MX/NOPB

• Package: 8SOIC N
• Function: Speaker
• Amplifier Type: Class-AB
• Total Harmonic Distortion Noise: 0.72@8Ohm@1W %
• Typical Psrr: 65 dB
• Output Signal Type: Differential
• Maximum Load Resistance: 8 Ohm
• Output Type: 1-Channel Mono
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 1.1W
• Supply Voltage Range: 2V To 5.5V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SOIC
• Rohs Compliant: Yes

High Gain Application Circuit
01198603
FIGURE 2. Audio Ampiifier with A
= 20
VD
Single Ended Application Circuit
01198604
*C
and C
size depend on specific application requirements and constraints. Typical vaiues of C
and C
are 0.1 µF.
S
B
S
B
**Pin 1 should be connected to V
to disable the amplifier or to GND to enable the amplifier. This pin should not be left floating.
DD
***These components create a “dummy” load for pin 8 for stability purposes.
FIGURE 3. Single-Ended Amplifier with A
= −1
V
www.national.com
4