5/7

AN1643 APPLICATION NOTE

BASH@SAM261 module 6.1 configuration:

Figure 4. Block Diagram

System Specification

Table 1.

Parameter

Rating

Notes

Output Power

Sats @8ohm – 50W@THD10%

See Graphs

THD+N

<0.05% @ 40W

<0.05% @ 75W

Measured

@ 1KHz

SNR

-102dB (relative to full power)

-110dB (A-weighted)

Ch 5 terminated

Sensitivity

1VRMS

Crosstalk

-87dB

Ch 5 @ 10W ,1KHz, 8 ohm

Ch 3 input terminated

Main Power Supply

50V / 3A

Max Voltage is 50V

Min. Voltage is 40V

Aux Power Supply

+/- 24V / 100mA

SAM261 is a BASH® 6.1

amplifier implementation utilizing

the STA530 Integrated Circuit.

STA530

4 x 50Watts

STA530

1 x 100Watts

2 x 50Watts

STABP01

Converter

50VDC

8 Ohm Loads

4 Ohm Load

+/- 24VDC 50mA

For each STA530

Audio Inputs

Audio Inputs

The STA530 is a 4 x 50 Watt amplifier configurable for 2,

3 of 4 channels of operation.

All full range channels are configured for 8 Ohms, sub in

configured 4 Ohms.

SAM261 is a BASH® 6.1

amplifier implementation utilizing

the STA530 Integrated Circuit.

STA530

4 x 50Watts

STA530

1 x 100Watts

2 x 50Watts

STABP01

Converter

50VDC

8 Ohm Loads

4 Ohm Load

+/- 24VDC 50mA

For each STA530

Audio Inputs

Audio Inputs

The STA530 is a 4 x 50 Watt amplifier configurable for 2,

3 of 4 channels of operation.

All full range channels are configured for 8 Ohms, sub in

configured 4 Ohms.