TDA7350A datasheet(12/23 Pages) STMICROELECTRONICS

Part #	TDA7350A

Description	22W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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12 / 23 page

TDA7350A

12/23

Figure 30. Block Diagram; Bridge Configuration

Figure 31. ICV - PNP Gain vs. IC

Figure 32. ICV - PNP VCE(sat) vs. IC

Figure 33. ICV - PNP cut-off frequency vs. IC

4.7 OUTPUT STAGE

Poor current capability and low cutoff frequency

are well known limits of the standard lateral PNP.

Composite PNP-NPN power output stages have

been widely used, regardless their high saturation

drop. This drop can be overcome only at the ex-

pense of external components, namely, the boot-

strap capacitors. The availability of 4A isolated

collector PNP (ICV PNP) adds versatility to the de-

sign. The performance of this component, in terms

of gain, VCEsat and cut-off frequency, is shown in

fig. 31, 32, 33 respectively. It is realized in a new

bipolar technology, characterized by topbottom

isolation techniques, allowing the implementation

TDA7350A Datasheet(PDF) 12 Page - STMicroelectronics