LTC1417
LTC1417 is Low Power 14-Bit 400ksps Sampling ADC Converter manufactured by Linear Technology.
WU U
Features s 16-Pin Narrow SSOP Package (SO-8 Footprint) s Sample Rate: 400ksps s ±1.25LSB INL and ±1LSB DNL Max s Power Dissipation: 20m W (Typ) s Single Supply 5V or ±5V Operation s Serial Data Output s No Missing Codes Over Temperature s Power Shutdown: Nap and Sleep s External or Internal Reference s Differential High Impedance Analog Input s Input Range: 0V to 4.096V or ±2.048V s 81d B S/(N + D) and
- 95d B THD at Nyquist
U APPLICATIO S s High Speed Data Acquisition s Digital Signal Processing s Isolated Data Acquisition Systems s Audio and Tele Processing s Spectrum Instrumentation
Low Power 14-Bit, 400ksps Sampling ADC Converter with Serial I/O
DESCRIPTIO
The LTC®1417 is a low power, 400ksps, 14-bit A/D converter. This versatile device can operate from a single 5V or ±5V supplies. An onboard high performance sample-andhold, a precision reference and internal trimming minimize external circuitry requirements. The low 20m W power dissipation is made even more attractive with two userselectable power shutdown modes.
The LTC1417 converts 0V to 4.096V unipolar inputs when using a 5V supply and ±2.048V bipolar inputs when using ±5V supplies. DC specs include ±1.25LSB INL, ±1LSB DNL and no missing codes over temperature. Outstanding AC performance includes 81d B S/(N + D) and
- 95d B THD at a Nyquist input frequency of 200k Hz.
The internal clock is trimmed for 2µs maximum conversion time. A separate convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
EQUIVALE T BLOCK DIAGRA
A 400k Hz, 14-Bit Sampling A/D Converter in a Narrow 16-Lead SSOP Package
1 AIN+
S/H AIN- 2
5V
10µF 16 VDD
14-BIT ADC
REFP 10µF
4.096V BUFFER
SERIAL PORT
VREF 1µF
8k 2.5V REFERENCE
TIMING AND LOGIC
5 AGND
15 VSS
10 DGND
(0V OR
- 5V)
6...