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STMicroelectronics | STA540

Manufacturer Part #

STA540

STA540 Series Quad Channel 22 V Class AB Audio Power Amplifier - MULTIWATT-15

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code:
Product Specification Section
STMicroelectronics STA540 - Technical Attributes
Attributes Table
Type: Class AB
No of Channels: 4
Output Type: Stereo
Gain: 26dB
Supply Voltage-Max: 22V
Output Power: 11W
Output Impedance: 4Ω
Operating Temp Range: 0°C to 70°C
Power Supply Rejection Ratio: 50dB
Total Harmonic Distortion: 0.02%
Package Style:  MULTIWATT-15
Mounting Method: Through Hole
Features & Applications

The STA540 is a 4 x 13 W, 4-channel, class-AB Audio Amplifier designed for high quality sound applications.

Features:

  • High output power capability
    • 2x 38 W into 4 Ω at 18 V, 1 kHz, 10% THD
    • 2x 34 W into 8 Ω at 22 V, 1 kHz, 10% THD
    • 2x 24W into 4Ω at 14.4 V, 1 kHz, 10% THD
    • 2x 15 W into 8 Ω at 16 V, 1 kHz, 10% THD
    • 4x 13 W into 2 Ω at 15 V, 1 kHz, 10% THD
    • 4x 11 W into 4 Ω at 18 V, 1 kHz, 10% THD
    • 4x 7 W into 4 Ω at 14.4 V, 1 kHz, 10% THD
  • Minimum external components count:
    • no bootstrap capacitors
    • no Boucherot cells
    • internally fixed gain 20 dB
  • Standby function (CMOS compatible)
  • No audible pop during standby operations
  • Diagnostic facilities:
    • clip detector
    • output to GND short-circuit detector
    • output to VS short-circuit detector
    • soft short-circuit check at turn-on
    • thermal shutdown warning
  • Protection
    • Output AC/DC short circuit
    • Soft short-circuit check at turn-on
    • Thermal cutoff/limiter to prevent chip from overheating
    • High inductive loads
    • ESD
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
-1
Factory Lead Time:
12 Weeks
Minimum Order:
500
Multiple Of:
25
Total
$1,210.00
USD
Quantity
Unit Price
1
$2.54
25
$2.48
75
$2.45
250
$2.42
750+
$2.35
Product Variant Information section