Features: · 20MHz sampling rate· Low Power, 100mW, max· 100MHz full power input bandwidth· Integral sample-and-hold· Single +3V supply operation· TTL compatible digital output· Offset binary output codingSpecifications PARAMETERS LIMITS UNITS Supply Voltage, VS (Pins 4-9,44) 0.5 to +6 ...
ADS-238Q: Features: · 20MHz sampling rate· Low Power, 100mW, max· 100MHz full power input bandwidth· Integral sample-and-hold· Single +3V supply operation· TTL compatible digital output· Offset binary output ...
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PARAMETERS | LIMITS | UNITS |
Supply Voltage, VS (Pins 4-9,44) | 0.5 to +6 | Volts |
Input Voltages: Analog Input, VIN+, VIN |
Volts | |
(Pin 20, 21) | 0.5 to (+VS +0.5) | Volts |
VREF, VREF+, (Pin 10, 11) | 0.5 to (+VS +0.5) | Volts |
CLK, (Pin 2) |
0.5 to (+VS +0.5) | Volts |
Lead Temperature (10 seconds) | +300 | °C |
The ADS-238Q is a monolithic, 12-bit, 20MHz, sampling analog-to-digital converter fabricated in a CMOS process. The converter is designed for applications where high speed, wide bandwidth and low power dissipation are essential. These characteristics are provided through the use of a fully differential pipeline A/D architecture with digital error correction logic for the eleven most significant bits.
The ADS-238Q offers excellent dynamic performance while consuming only 79mW, typical. The power dissipation is approximately proportional to the sampling rate, thus the ADS-238Q is ideal for low power applications between 1 and 20 MHz. With low distortion and high dynamic range, this device provides the performance required for imaging,
telecommunications, multimedia, and instrumentation applications.
The ADS-238Q is available in a 44-pin (plastic) TQFP package and operates over the commercial 0°C to 70°C temperature range.