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TDA8944J
Datasheet
General description
The TDA8944J is a dual-channel audio power amplifier with an output power of 2 x 7 W at an 8 W load and a 12 V supply. The circuit contains two Bridge Tied Load (BTL) amplifiers with an all-NPN output stage and standby/mute logic. The TDA8944J comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8944J is printed-circuit board (PCB) compatible with all other types in the TDA894x family. One PCB footprint accommodates both the mono and the stereo products.
Features
- Few external components
- Fixed gain
- Standby and mute mode
- No on/off switching plops
- Low standby current
- High supply voltage ripple rejection
- Outputs short-circuit protected to ground, supply and across the load
- Thermally protected
- Printed-circuit board compatible.
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| TDA8944J/N1 | TDA8944JU | 9352 628 55112 | Volume production | SOT243-1
(DBS17P) | Tube | Standard Marking | TDA8944J/N1
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| TDA8944J/N1 | 9352 628 55112 | NA | AVNET ELECTRONICS MARKETING | 1,983 | 11/25/2008 | Buy online | Order samples | |
| NA | DIGI-KEY CORPORATION | 996 | 11/29/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 69 | 11/29/2008 | Buy online |
Applications
- Mains fed applications (e.g. TV sound)
- PC audio
- Portable audio.
Related applications
50-60 Hz CRT integrated DTV (TV210D)
DVB-T iDTV reference solution (TV505D)
Mid-range integrated DTV (TV810)
Mainstream integrated LCD DTV reference designs TV520
Parametrics/similar products
| Type number | Package | REMARKS | Supply voltage(V) | RMS power(W) | Gain(dB) | Channel config. | Hi-fi/TV/ monitor | PC/ PC peripherals |
|---|---|---|---|---|---|---|---|---|
| TDA8944J/N1 | SOT243-1
(DBS17P) | Pin-to-pin compatible TDA894x range; gain 32 dB | 6~25 | 2 x 7 | 32 | BTL/stereo/- | yes | yes |
Similar products
TDA8944J
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