TDA7850H Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier
♠ Product Description
| Product Attribute | Attribute Value |
| Manufacturer: | STMicroelectronics |
| Product Category: | Audio Amplifiers |
| Series: | TDA7850 |
| Product: | Audio Amplifiers |
| Class: | Class-AB |
| Output Power: | 85 W |
| Mounting Style: | Through Hole |
| Type: | 4-Channel Quad |
| Package / Case: | FLEXIWATT-15 |
| Audio - Load Impedance: | 4 Ohms |
| THD plus Noise: | 0.015 %, 0.006 % |
| Supply Voltage - Max: | 18 V |
| Qualification: | AEC-Q100 |
| Packaging: | Tube |
| Brand: | STMicroelectronics |
| Description/Function: | Speaker |
| Gain: | 26 dB |
| Height: | 15.7 mm |
| Input Type: | Single |
| Length: | 29.23 mm |
| Number of Channels: | 4 Channel |
| Output Signal Type: | Differential |
| Output Type: | 4-Channel Stereo |
| Pd - Power Dissipation: | 80000 mW |
| Product Type: | Audio Amplifiers |
| Factory Pack Quantity: | 357 |
| Subcategory: | Audio ICs |
| Supply Type: | Single |
| Width: | 4.5 mm |
| Unit Weight: | 0.254851 oz |
♠ 4 x 50 W MOSFET quad bridge power amplifier
The TDA7850 is a breakthrough MOSFET technology class AB audio power amplifier in Flexiwatt 25 package designed for high power car radio. The fully complementary P-Channel/N-Channel output structure allows a rail to rail output voltage swing which, combined with high output current and minimized saturation losses sets new power references in the car-radio field, with unparalleled distortion performances.
The TDA7850 integrates a DC offset detector.
■ High output power capability:
– 4 x 50 W/4 Ω max.
– 4 x 30 W/4 Ω @ 14.4 V, 1 kHz, 10 %
– 4 x 80 W/2 Ω max.
– 4 x 55 W/2 Ω @ 14.4V, 1 kHz, 10 %
■ MOSFET output power stage
■ Excellent 2 Ω driving capability
■ Hi-Fi class distortion
■ Low output noise
■ ST-BY function
■ Mute function
■ Automute at min. supply voltage detection
■ Low external component count:
– Internally fixed gain (26 dB)
– No external compensation
– No bootstrap capacitors
■ On board 0.35 A high side driver
■ Output short circuit to gnd, to Vs, across the load
■ Very inductive loads
■ Overrating chip temperature with soft thermal limiter
■ Output DC offset detection
■ Load dump voltage
■ Fortuitous open gnd
■Reversed battery
