User`s guide
Introduction • 3
1.3 Specifications
♦ Analog Input (A/D)
• Converter: LT1606 (or equivalent) 250KHz
• Number of channels: (programmable)
P 64 single-ended (SE)
P 32 differential input (DI)
P Mixing of SE and DI analog signal between channel allowed
• A/D Data FIFO Buffer Size: 1024 locations
• Channel Gain Queue Length: 512 words configurations
• Resolution: 16-bit
• Input Range: (Controlled by Channel Gain Queue)
P Bipolar: ± 5V, ±2.5V, ±1.25V, ±0.625V
P Unipolar: 0~10V, 0~5V, 0~2.5V, 0~1.25
• CMRR (DC to 60 Hz, typical)
Input Range CMRR
±5, 0~10V
87dB
±2.5, 0~5V
90dB
±1.25, 0~2.5V
92dB
±0.625, 0~1.25V
93dB
• Overvoltage Protection: Continuous ± 35V maximum
• Accuracy: 0.01% of FSR
• Input Impedance: 100 MΩ | 6pF
• Time-base source:
P Internal 24MHz
P External clock Input (fmax: 24MHz, fmin: 1MHz)
• Programmable scan interval and sampling rate (divided from
time-base source)