
Linear Technology
DESCRIPTION
DESCRIPTIO U The LTC®2238/LTC2237/LTC2236 are 10-bit 65Msps/40Msps/25Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2238/LTC2237/LTC2236 are perfect for demanding imaging and communications applications with AC performance that includes 61.6dB SNR and 85dB SFDR for signals well beyond the Nyquist frequency.
FEATURES
■ Sample Rate: 65Msps/40Msps/25Msps
■ Single 3V Supply (2.7V to 3.4V)
■ Low Power: 205mW/120mW/75mW
■ 61.6dB SNR at 70MHz Input
■ 85dB SFDR at 70MHz Input
■ No Missing Codes
■ Flexible Input: 1VP-P to 2VP-P Range
■ 575MHz Full Power Bandwidth S/H
■ Clock Duty Cycle Stabilizer
■ Shutdown and Nap Modes
■ Pin Compatible Family:
80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit), LTC2249 (14-Bit)
65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit), LTC2248 (14-Bit)
40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit), LTC2247 (14-Bit)
25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit), LTC2246 (14-Bit)
■ 32-Pin (5mm × 5mm) QFN Package
APPLICATIONS
■ Wireless and Wired Broadband Communication
■ Imaging Systems
■ Ultrasound
■ Spectral Analysis
■ Portable Instrumentation