ADC-305 General Description
DATEL's ADC-305 is an 8-bit, 20MHz sampling, CMOS, subranging (two-pass) A/D converter. It processes signals at speeds comparable to a full flash converter by using a sub-ranging conversion technique with multiple comparator blocks, each containing a sample and hold amplifier.
The ADC-305 features CMOS low power dissipation (60mW typical) and a wide 18MHz (1dB) input signal bandwidth. The ADC-305-1 is packaged in 400 mil 24-pin DIP and the ADC-305-3 in 300 mil 24-pin SOP . Other features are CMOS compatible input logic, 3-state TTL compatible output logic, +5V single power operation, self bias mode and low cost.
ADC-305 Maximum Ratings
Power Supply Voltage (+AVS, +DVS) 0.5 +7 Volts
Analog Input Voltage (VIN) 0.5 +AVS +0.5 Volts
Reference Input Voltage (VRT, VRB) 0.5 +AVS +0.5 Volts
Digital Input Voltage (VIH, VIL) 0.5 +DVS +0.5 Volts
Digital Output Voltage (VOH, VOL) 0.5 +DVS +0.5 Volts
ADC-305 Features
• 8-bit resolution, 20MHz min. sampling rate
• ±½LSB max. differential nonlinearity error
• 18MHz input signal bandwidth
• Subranging, S&H enclosed
• +5V single power, low 85mW max. dissipation
• CMOS compatible logic input
• 3-State TTL compatible output
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