LTC1416 Datasheet | Linear Technology

LTC1416 Low Power 14-Bit, 400ksps Sampling ADC Features s s s s s s s s s s s DESCRIPTIO Sample Rate: 400ksps Power Dissipation: 70m W Guaranteed ± 1.5LSB DNL, ± 2LSB INL (Max) 80.5d B S/(N + D) and 93d B THD at 100k Hz 80d B S/(N + D) and 90d B THD at Nyquist Nap and Sleep Shutdown Modes Operates with Internal or External Reference True Differential Inputs Reject mon Mode Noise 15MHz Full Power Bandwidth Sampling ± 2.5V Bipolar Input Range 28-Pin SSOP Package The LTC ®1416 is a 2.2µs, 400ksps, 14-bit sampling A/D converter that draws only 70m W from ± 5V supplies. This easy-to-use device includes a high dynamic range sampleand-hold and a precision reference. Two digitally selectable power shutdown modes provide flexibility for low power systems. The LTC1416’s full-scale input range is ± 2.5V. Maximum DC specifications include ± 2LSB INL, ±1.5LSB DNL over temperature. Outstanding AC performance includes 80.5d B S/(N + D) and 93d B THD with a 100k Hz input, and 80d B S/(N + D) and 90d B THD at the Nyquist input frequency of 200k Hz. The unique differential input sample-and-hold can acquire single-ended or differential input signals up to its 15MHz bandwidth. The 60d B mon mode rejection allows users to eliminate ground loops and mon mode noise by measuring signals differentially from the source. The ADC has a µP patible, 14-bit parallel output port. There is no pipeline delay in the conversion results. A separate convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors. APPLICATI s s s s s s Telemunications Digital Signal Processing Multiplexed Data Acquisition Systems High Speed Data Acquisition Spectrum Analysis Imaging Systems , LTC and LT are registered trademarks of Linear Technology Corporation. TYPICAL APPLICATI 10µF AVDD DVDD plete, 70m W, 14-Bit ADC with 80.5d B S/(N + D) 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1k Effective Bits and Signal-to-(Noise + Distortion) vs Input Frequency 86 80 74 68 62...