PRELIMINARY - 6/15/93
Analog I/O Figure 2. shows three possible single-ended output configurations. Configuration (a) is highly
recommended. For configuration (b) and (c), since the load resistor is tied to VssA, an AC coupling capacitor
is required.
Vref
VddA
+
47KΩ
-
VssA
47KΩ
47KΩ
(a)
Spkp
0<C≤100nF
Spkp
≥500Ω
0<C≤100nF
Spkp
≥500Ω
Spkm
NC Spkm
0<C≤100nF
Spkm
≥500Ω
(b)
(c)
Analog I/O Figure 2. Single-ended Output Configurations
MOTOROLA
DSP56166 Technical Data Sheet
8