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STA515W-STA515W13TR
40 V, 3 A quad power half-bridge digital audio amplifier
February 2014 DocID11079 Rev 3 1/16
A515W40 V , 3 A, quad power half bridge
Datasheet - production data
Features Multipower BCD technology Low input/output pulse width distortion 200 m R dsON complementary DMOS output
stage CMOS-compatible logic inputs Thermal protection Thermal warning output Undervoltage protection Short-circuit protection
DescriptionThe STA515W is a monolithic quad half-bridge
stage in Multipower BCD Technology. The device
can be used as a dual bridge or reconfigured, by
connecting pin CONFIG to pins VDD, as a single
bridge with double-current capability.
The device is designed, particularly, to be the
output stage of a stereo all-digital high-efficiency
amplifier. It is capable of delivering 10 W x channels into 4 loads with 10% THD at
VCC=18 V in single-ended configuration.
It can also deliver 20 W + 20 W into 8 loads
with 10% THD at VCC =18 V in BTL configuration
or, in single parallel BTL configuration, 40 W into
a 8 load with 10% THD at VCC = 26V.
The input pins have a threshold proportional to
the voltage on pin VL.
The STA515W comes in a 36-pin PowerSSO
package with exposed pad down (EPD).
Table 1. Device summary
Introduction STA515W
1 Introduction
Figure 1. STA515W circuit for quad single-ended amplifiers
DocID11079 Rev 3 3/16
STA515W Pin description
2 Pin description
Figure 2. Pin out
Table 2. Pin list
Pin description STA515W4/16 DocID11079 Rev 3
Table 2. Pin list (continued)
DocID11079 Rev 3 5/16
STA515W Electrical characteristics
3 Electrical characteristics Unless otherwise stated, the test conditions for Table 6 below are VL = 3.3 V, VCC = 30 V, =8 , fSW = 384 kHz and Tamb = 25 °C
Table 3. Absolute maximum ratings
Table 4. Recommended operating conditions
Table 5. Thermal data
Table 6. Electrical characteristics
Electrical characteristics STA515W6/16 DocID11079 Rev 3
Table 6. Electrical characteristics (continued)
DocID11079 Rev 3 7/16
STA515W Electrical characteristics
Table 7. Threshold switching voltage variation with voltage on pin VL
Table 8. Logic truth table
Test circuits STA515W8/16 DocID11079 Rev 3
4 Test circuits
Figure 3. Test circuit
Figure 4. Current dead time test circuit
