LTC2488IDE#PBF

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Analog Devices

16-BIT 2-/4-CHANNEL ΔΣ ADC WITH EASY DRIVE INPUT CURRENT CANCELLATION

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LTC2488IDE#PBF

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Analog Devices

16-BIT 2-/4-CHANNEL ΔΣ ADC WITH EASY DRIVE INPUT CURRENT CANCELLATION

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC2488IDE#PBF

Architecture	Sigma-Delta
Configuration	MUX-ADC
Data Interface	SPI
Input Type	Single Ended, Differential
Mounting Type	Surface Mount
Number of A/D Converters	1
Number of Bits	16
Number of Inputs	4, 2
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	14-WFDFN Exposed Pad
Reference Type	External
Sampling Rate (Per Second)	6.9 Per Second
Supplier Device Package	14-DFN (4x3)
Voltage - Supply, Analog [Max]	5.5 V
Voltage - Supply, Analog [Min]	2.7 V
Voltage - Supply, Digital [Max]	5.5 V
Voltage - Supply, Digital [Min]	2.7 V

LTC2488 Series

16-Bit 2-/4-Channel ΔΣ ADC with Easy Drive Input Current Cancellation

Part	Number of Inputs	Data Interface	Voltage - Supply, Analog [Min]	Voltage - Supply, Analog [Max]	Number of A/D Converters	Input Type	Number of Bits	Package / Case	Architecture	Supplier Device Package	Sampling Rate (Per Second)	Voltage - Supply, Digital [Max]	Voltage - Supply, Digital [Min]	Configuration	Mounting Type	Reference Type	Operating Temperature [Max]	Operating Temperature [Min]
Analog Devices LTC2488CDE#TRPBF	2 4	SPI	2.7 V	5.5 V	1	Differential Single Ended	16	14-WFDFN Exposed Pad	Sigma-Delta	14-DFN (4x3)	6.9 Per Second	5.5 V	2.7 V	MUX-ADC	Surface Mount	External	70 °C	0 °C
Analog Devices LTC2488CDE#PBF	2 4	SPI	2.7 V	5.5 V	1	Differential Single Ended	16	14-WFDFN Exposed Pad	Sigma-Delta	14-DFN (4x3)	6.9 Per Second	5.5 V	2.7 V	MUX-ADC	Surface Mount	External	70 °C	0 °C
Analog Devices LTC2488IDE#PBF	2 4	SPI	2.7 V	5.5 V	1	Differential Single Ended	16	14-WFDFN Exposed Pad	Sigma-Delta	14-DFN (4x3)	6.9 Per Second	5.5 V	2.7 V	MUX-ADC	Surface Mount	External	85 °C	-40 °C
Analog Devices LTC2488IDE#TRPBF	2 4	SPI	2.7 V	5.5 V	1	Differential Single Ended	16	14-WFDFN Exposed Pad	Sigma-Delta	14-DFN (4x3)	6.9 Per Second	5.5 V	2.7 V	MUX-ADC	Surface Mount	External	85 °C	-40 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 9.23
		10	$ 6.38
		25	$ 5.65
		100	$ 4.83
		250	$ 4.43
		500	$ 4.18
		1000	$ 3.98
		2500	$ 3.88

Description

General part information

LTC2488 Series

The LTC2488 is a 4-channel (2-channel differential), 16-bit, No Latency ΔΣ™ADC with Easy Drive™technology. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current. This allows large external source impedances and rail-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy.The LTC2488 includes an integrated oscillator. This device can be configured to measure an external signal from combinations of 4 analog input channels operating in single ended or differential modes. It automatically rejects line frequencies of 50Hz and 60Hz simultaneously.The LTC2488 allows a wide common mode, input range (0V to VCC), independent of the reference voltage. Any combination of single-ended or differential inputs can be selected and the first conversion after a new channel selection is valid.ApplicationsDirect Sensor DigitizerDirect Temperature MeasurementInstrumentationIndustrial Process Control