Power Amplifier. MS6891 Datasheet


MS6891 Amplifier. Datasheet pdf. Equivalent


Part Number

MS6891

Description

Mono 1.5W Power Amplifier

Manufacture

MOSA

Total Page 9 Pages
Datasheet
Download MS6891 Datasheet


MS6891
MOSA
MS6891
Mono 1.5W Power Amplifier with Shutdown
Mono 1.5W Power Amplifier
Low Voltage Operation
FEATURES
Operation range: 2.5V ~ 6.5V
Shutdown Current 0.1uA at 5V
PSRR at 217Hz, 70dB at 5V
Output power
THD+N=10%
RL=8Ω, 2.1W at 6V, 1.5W at 5V, 0.65W at 3.3V, 0.35W at 2.5V,
THD+N=1%
RL=8Ω, 1.75W at 6V ,1.2W at 5V, 0.5W at 3.3V, 0.25W at 2.5V
THD+N = 0.2%
RL=8Ω, 1.25W at 6V ,0.8W at 5V, 0.4W at 3.3V, 0.2W at 2.5V
Unity-gain stable
Space-saving SOP(TP)
APPLICATIONS
Portable electronic devices
PDAs
Communication headsets
Cross-reference
LM4891
DESCRIPTION
The MS6891 is a low distortion power amplifier that can drive 1.5W of continuous average power into a mono 8Ω
bridged-tied load (BTL). Operation with 2.5V supply, it can drive 200mw into a mono 8Ω. The BTL configuration
eliminates the need for external coupling capacitors on the output in most applications. The MS6891 is unity-gain
stable and can be configured by external gain-setting resistors.
The MS6891 has good feature for portable equipment, these features include the low voltage operation, micropower
consumption shutdown mode, enhance thermal pad small package SOP8(TP), make the MS6891 ideally suited for use
in portable electronic equipments.
*TP : Thermal Pad
BLOCK DIAGRAM
REV 3
1/9 www.mosanalog.com

MS6891
MOSA
MS6891
Mono 1.5W Power Amplifier with Shutdown
PIN CONFIGURATION
Symbol
SHDN
BP
+IN
-IN
Vo1
VDD
GND
Vo2
Pin Description
1
Shutdown places the entire device in shutdown mode when held High.
TTL compatible input.
2
Bypass is the cap to the voltage divider for internal mid-supply bias.
This terminal should be connected to a 0.1-μF to 10-μF capacitor CBP.
3 Non-inverting input
4 Inverting input
5 BTL negative output
6 Supply voltage
7 Ground
8 BTL positive output
SOP8(TP)
SHDN 1
BP 2
+IN 3
-IN 4
Thermal
Pad
8 Vo2
7 GND
6 VDD
5 Vo1
ORDERING INFORMATION
Package
Part number
8-Pin SOP (lead free)
MS6891GTR
8-Pin SOP (lead free)
MS6891GU
RoHS Compliance
Packaging Marking
6891G
6891G
Transport Media
2.5k Units Tape and Reel
100 Units Tube
ABSOLUTE MAXIMUM RATINGS
Symbol
VDD
VESD
TSTG
TA
TJ
TS
Parameter
Supply voltage
Electrostatic handling
Storage temperature range
Operating ambient temperature range
Maximum junction temperature
Soldering temperature, 10 seconds
RTHJA
Thermal resistance from junction to ambient in free air
SOP8 (enhance thermal pad)
REV 3
2/9
Rating
6.5
3500
-65 to 150
-40 to 85
150
260
156.5
Unit
V
V
/W
www.mosanalog.com


Features MOSA MS6891 Mono 1.5W Power Amplifier w ith Shutdown Mono 1.5W Power Amplifier Low Voltage Operation FEATURES •Ope ration range: 2.5V ~ 6.5V •Shutdown C urrent 0.1uA at 5V •PSRR at 217Hz, 70 dB at 5V •Output power THD+N=10% RL=8 Ω, 2.1W at 6V, 1.5W at 5V, 0.65W at 3. 3V, 0.35W at 2.5V, THD+N=1% RL=8Ω, 1.7 5W at 6V ,1.2W at 5V, 0.5W at 3.3V, 0.2 5W at 2.5V THD+N = 0.2% RL=8Ω, 1.25W a t 6V ,0.8W at 5V, 0.4W at 3.3V, 0.2W at 2.5V •Unity-gain stable •Space-sav ing SOP(TP) APPLICATIONS •Portable e lectronic devices •PDAs •Communicat ion headsets Cross-reference LM4891 DE SCRIPTION The MS6891 is a low distortio n power amplifier that can drive 1.5W o f continuous average power into a mono 8Ω bridged-tied load (BTL). Operation with 2.5V supply, it can drive 200mw in to a mono 8Ω. The BTL configuration el iminates the need for external coupling capacitors on the output in most appli cations. The MS6891 is unity-gain stabl e and can be configured by external gain-setting resistors. The MS6891 has good featur.
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