TDT RX7 User Manual page 9

System 3
Note: Specifications for the stimulus isolator D/As and the preamplifiers A/D are found
under the technical specifications for those devices.
DSP
Memory
D/A
Frequency Response
Voltage Out Accuracy
Output Impedance
Fiber Optic Ports
Digital I/O
* Note: When used with the microstimulator, the sampling rate is limited to 24.414
kHz by the Stimulator Fiber Optic Port.
100 MHz Sharc ADSP 21161, 600 MFLOPS Peak
Two or Five
128 MB SDRAM (Shared)
4 channels, 16-bit PCM
Up to 97.65625 kHz (8X upsampled to 200 kHz default
Sample Rate
operation)*
DC-Nyquist(~1/2 sample rate)
+/- 10.0 Volts
Voltage Out
+/- 10%
84 dB (20 Hz to 25 KHz)
S/N (typical)
82 dB with upsampling disabled
-77 dB for 1 kHz output at 5 Vrms
THD (typical)
-74 dB with upsampling disabled
10 Ohm
One or Two Inputs, Output for Stimulator *
40 bits programmable (8 bits bit-addressable and a 32 bit
word, addressable as 4 bytes)
3-43
RX7 Stimulator Base Station