Product Information

PAM8945PJR

PAM8945PJR electronic component of Diodes Incorporated

Datasheet
Audio Amplifiers 4.0W Class-D Audio 4ohm 2.8 to 5.2V

Manufacturer: Diodes Incorporated
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 1.4455 ea
Line Total: USD 1.4455

306 - Global Stock
Ships to you between
Thu. 11 Apr to Tue. 16 Apr
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
306 - Global Stock


Ships to you between
Thu. 11 Apr to Tue. 16 Apr

MOQ : 1
Multiples : 1

Stock Image

PAM8945PJR
Diodes Incorporated

1 : USD 1.4455
10 : USD 1.2114
30 : USD 1.0826
100 : USD 0.9365
500 : USD 0.3888
1000 : USD 0.3609

12806 - Global Stock


Ships to you between Wed. 10 Apr to Fri. 12 Apr

MOQ : 1
Multiples : 1

Stock Image

PAM8945PJR
Diodes Incorporated

1 : USD 1.0626
10 : USD 0.9467
100 : USD 0.7922
500 : USD 0.7173
1000 : USD 0.6279
3000 : USD 0.5688
6000 : USD 0.5663
9000 : USD 0.5482
24000 : USD 0.547

180420 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 3000
Multiples : 3000

Stock Image

PAM8945PJR
Diodes Incorporated

3000 : USD 0.5772

26190 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 3000
Multiples : 3000

Stock Image

PAM8945PJR
Diodes Incorporated

3000 : USD 0.5783

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Series
Product
Class
Output Power
Mounting Style
Type
Package / Case
Audio - Load Impedance
THD plus Noise
Supply Voltage - Max
Supply Voltage - Min
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Height
Length
Width
Brand
Number Of Channels
Shutdown
Operating Supply Current
Operating Supply Voltage
Psrr - Power Supply Rejection Ratio
Snr - Signal To Noise Ratio
Factory Pack Quantity :
Cnhts
Hts Code
Mxhts
Product Type
Subcategory
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PAM8945 4.0W CLASS-G AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER AND BATTERY TRACKING AGC Description Pin Assignments (Top View) The PAM8945 is a high-efficiency Class-G audio power BGND SW amplifier with an integrated boost converter. It drives up to 4.0W (10% THD+N) into a 4 speaker. With 85% typical efficiency, the PAM8945 helps extend battery life when 12 11 playing audio. PVDD 1 10 VBAT The built-in boost converter generates the voltage rail for the output stage. This provides a louder audio output than a OUT+ 2 9 AGC stand-alone amplifier connected directly to the battery. It also maintains a consistent loudness, regardless of battery OUT- 3 8 EN voltage. The PAM8945 features battery tracking AGC function which PGND 4 7 IN+ adjusts the amplifier gain to limit battery current at lower battery voltage. 5 5 5 6 5 6 AGND IN- The PAM8945 features DC input protection and all outputs are fully protected against output-to-output shorts. The W-QFN2030-12 PAM8945 is available in tiny W-QFN2030-12 package. Applications Features Built-in Battery Tracking Automatic Gain Control (AGC) Cell Phones High-Efficiency Integrated Boost Converter Over 85% PDA 4.0W into a 4 Load at 10% THD GPS 3.2W into a 4 Load at 1% THD Portable Electronics Operates from 2.8V to 5.2V Speakers Efficient Class-G Prolongs Battery Life Minimized ON/OFF Pop Noise Superior Low Noise High PSRR DC Input Protection Auto-Recovery Short-Circuit Protection Thermal Shutdown Available in 2.0mm x 3.0mm 12L W-QFN Package Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Not e 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See PAM8945 Typical Applications Circuit 2.2H 2.8V to 5.2V + 10F 100F 1F 10F VBAT SW PVDD PGND ON OFF EN OUT+ IN+ Audio Input IN- OUT- AGC AGC AGND BGND Pin Descriptions Pin Number Pin Name Description 1 PVDD Boost Converter Output and Amplifier Power Supply 2 OUT+ Amplifier Positive Audio Output 3 OUT- Amplifier Negative Audio Output 4 PGND Power Ground 5 AGND Analog Ground 6 IN- Negative Audio Input 7 IN+ Positive Audio Input 8 EN Shutdown Terminal for the Chip 9 AGC AGC Setting Gain 10 VBAT Supply Voltage 11 SW Boost Convertor Switching 12 BGND Power Ground 2 of 9 PAM8945 June 2016 Diodes Incorporated www.diodes.com Document number: DS38267 Rev. 2 - 2 PROVISIONAL PRODUCT

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
DIO
Diodes
DIODES INC
DIODES INC / ZETEX
DIODES INC.
Diodes Inc. / Pericom
Diodes Zetex
DiodesZetex
PAM(Diodes Inc)
PER
Pericom
PERICOM SEMI
Pericom Semiconductor
Pericom Technology
Pericom/Diodes
ZTX

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