Amplifier 4 MOST
User Manual
3.5 Line Level Outputs
The output of the OS88558 PWM DAC’s are passed through a third order active low-pass filter.
These outputs are full range. The output buffers are designed to drive long cables.
Line Output characteristics:
1)
Symbol
Description
Conditions
Min Typ Max Units
V
pffs
Full Scale Output Voltage
800
mVrms
Z
out
Output
Impedance
700
Ω
PSRR
Power Supply Rejection
-50
dB
V(0) Output
Noise
Volume=0x00
200
µVrms
SNR
Signal to Noise Ratio
85
dB
f
lo
Low frequency cutoff
20
Hz
f
hi
High Frequency cutoff
18
kHz
Frequency response
From flo to fhi -3
0.5
dB
Table 3-5: Line level output characteristics
User Manual
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Copyright 2002 - 2003 OASIS SiliconSystems
Page 12
Amplifier 4 MOST Version: 2.0 User Manual
Document Version: 2.0-03 Release Date: 2003-07-23