DDC118IRTCT - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DDC118IRTCT
Manufacturer

TI
ChipWorker Part#

CW36847851
Category

Analog to Digital, ADC IC
Package

VQFN-48
Description

TEXAS INSTRUMENTS DDC118IRTCT Analog to Digital Converter, 20Bit, 3.125KSPS, Single, 4.75V, 5.25V, QFN
Documentation

Datasheet

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DDC118IRTCT Specifications

Attribute	Attribute Value

Part Number	DDC118IRTCT
Manufacturer	TI
ChipWorker Part#	CW36847851
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	48 Pin
Case/Package	VQFN-48
Supply Voltage (DC)	4.75V (min)
Supply Current	28.0 mA
Number of Circuits	4 Circuit
Number of Bits	20 Bit
Power Dissipation	144 mW
Sample Rate	3.125 ksps
Power Consumption	108 mW
Number of ADCs	4 ADC
Number of Inputs	8 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	200 mW
Number of Input Channels	8 Channel
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Height	0.9 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The DDC118 is a 20-bit octal channel, current-input analog-to-digital (A/D) converter. It combines both current-to-voltage and A/D conversion so that eight low-level current output devices, such as photodiodes, can be directly connected to its inputs and digitized.
For each of the eight inputs, the DDC118 provides a dual-switched integrator front-end. This design allows for continuous current integration: while one integrator is being digitized by the onboard A/D converter, the other is integrating the input current. Adjustable full-scale ranges from 12pC to 350pC and adjustable integration times from 50µs to 1s allow currents from fAs to µAs to be measured with outstanding precision. Low-level linearity is ±0.5ppm of the full-scale range and noise is 5.2ppm of the full-scale range.
Two modes of operation are provided. In Low-Power mode, total power dissipation is only 13.5mW per channel with a maximum data rate of 2.5kSPS. High-Speed mode supports data rates up to 3.125kSPS with a corresponding dissipation of 18mW per channel.
The DDC118 has a serial interface designed for daisy-chaining in multi-device systems. Simply connect the output of one device to the input of the next to create the chain. Common clocking feeds all the devices in the chain so that the digital overhead in a multi-DDC118 system is minimal.
The DDC118 is a single-supply device using a +5V analog supply and supporting a +2.7V to +5.25V digital supply. Operating over the industrial temperature range of -40°C to 85°C, the DDC118 is offered in a QFN-48 package.

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