LTC2376-16 Series

20-Bit, 250ksps, Low Power SAR ADC with 0.5ppm INL

Catalog

20-Bit, 250ksps, Low Power SAR ADC with 0.5ppm INL

Part	Package / Case	Configuration	Ratio - S/H:ADC	Number of Inputs	Voltage - Supply, Analog [Max]	Voltage - Supply, Analog [Min]	Reference Type	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Sampling Rate (Per Second)	Data Interface	Architecture	Input Type	Mounting Type	Number of A/D Converters	Voltage - Supply, Digital [Min]	Voltage - Supply, Digital [Max]	Number of Bits
Analog Devices LTC2376IDE-18#TRPBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	85 °C	-40 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V
Analog Devices LTC2376IMS-18#PBF	16-TFSOP	S/H-ADC	1:1	1	2.625 V	2.375 V	External	85 °C	-40 °C	16-MSOP	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V
Analog Devices LTC2376CDE-16#PBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	70 °C	0 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V	16
Analog Devices LTC2376HMS-16#PBF	16-TFSOP	S/H-ADC	1:1	1	2.625 V	2.375 V	External	125 °C	-40 °C	16-MSOP	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V	16
Analog Devices LTC2376IDE-16#TRPBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	85 °C	-40 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V	16
Analog Devices LTC2376CDE-18#PBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	70 °C	0 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V
Analog Devices LTC2376CDE-16#TRPBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	70 °C	0 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V	16
Analog Devices LTC2376CMS-20#PBF	16-TFSOP	S/H-ADC	1:1	1	2.625 V	2.375 V	External	70 °C	0 °C	16-MSOP	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V	20
Analog Devices LTC2376IDE-18#PBF	16-WFDFN Exposed Pad	S/H-ADC	1:1	1	2.625 V	2.375 V	External	85 °C	-40 °C	16-DFN (4x3)	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V
Analog Devices LTC2376HMS-18#PBF	16-TFSOP	S/H-ADC	1:1	1	2.625 V	2.375 V	External	125 °C	-40 °C	16-MSOP	250 k	SPI	SAR	Differential	Surface Mount	1	2.375 V	2.625 V

Catalog

20-Bit, 250ksps, Low Power SAR ADC with 0.5ppm INL

Key Features

• 250ksps Throughput Rate

• ±1.75LSB INL (Max)

• Guaranteed 18-Bit No Missing Codes

• Low Power: 3.4mW at 250ksps, 3.4μW at 250sps

• 102dB SNR (Typ) at fIN= 2kHz

• –126dB THD (Typ) at fIN= 2kHz

• Digital Gain Compression (DGC)

• Guaranteed Operation to 125°C

• 2.5V Supply

• Fully Differential Input Range ±VREF

• VREFInput Range from 2.5V to 5.1V

• No Pipeline Delay, No Cycle Latency

• 1.8V to 5V I/O Voltages

• SPI-Compatible Serial I/O with Daisy-Chain Mode

• Internal Conversion Clock

• 16-Lead MSOP and 4mm × 3mm DFN Packages

Description

The LTC2376-18 is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2376-18 has a ±VREFfully differential input range with VREFranging from 2.5V to 5.1V. The LTC2376-18 consumes only 3.4mW and achieves ±1.75LSB INL maximum, no missing codes at 18 bits with 102dB SNR.The LTC2376-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 250ksps throughput with no cycle latency makes the LTC2376-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2376-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.The LTC2376-18 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier’s negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from 0V to 0.1 • VREFand full-scale code from VREFto 0.9 • VREF. For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.ApplicationsMedical ImagingHigh Speed Data AcquisitionPortable or Compact InstrumentationIndustrial Process ControlLow Power Battery-Operated InstrumentationATE