EB-2100 Datasheet, PDF (1/11 Pages) List of Unclassifed Manufacturers – DDX All-Digital, High Efficiency Evaluation Amplifier

EB-2100x
DDX All-Digital, High Efficiency
Evaluation Amplifier
FEATURES
DDX-2000/2100 CHIP SET
• OPERATION 9 to 36 VDC
• 2x50W into 8Ω @ 1% THD
• 1x100W into 4Ω @ 1% THD
TYPICAL PERFORMANCE
• 0.07% THD+N (1W, 1kHz)
• 90 dB SNR (50Wrms, A-weighted)
• 88% EFFICIENCY
DIGITAL INPUT
• S/PDIF COAX/OPTICAL
• I²S LOOP THROUGH
DIGITAL PREAMP FEATURES
• VOLUME
• BALANCE
• ANTICLIPPING
• AUTOMATIC MUTE
GENERAL DESCRIPTION
The EB-2100x is an evaluation amplifier that
showcases Apogee’s all-digital, high efficiency Direct
Digital Amplification (DDX®) technology. The board
features a DDX-2000 Controller and DDX-2100
Power Device which provide full digital audio
preamplifier functions and power amplification. The
board includes both coaxial and optical S/PDIF
interfaces, digital volume and balance controls and
local power regulation to operate from a single supply
voltage.
The EB-2100x is available in both a stereo 50W (EB-
2100S) and a mono 100W version (EB-2100M).
ORDERING INFO
EB-2100S – DDX stereo amplifier board
EB-2100M – DDX mono amplifier board
EB-2100x BLOCK DIAGRAM
Coax or
Optical
Digital Audio
S/PDIF
Receiver
I² S Serial
PCM
3
Volume
3
Mute
Reset
DDX-2000
Controller
Clock
V+
PWM1
2
PWM2
2
+VL
DDX-2100
Power Device
Power Down
LP
Filter
Left
LP
Filter
Right
129 Morgan Drive, Norwood MA 02062
1
voice: [phone] fax: [phone] email: [e-mail]
Copyright Apogee Technology, Inc 2000 (All Rights Reserved)
Doc# 11010006-01
February 2002