REF1933AIDDCT - TI

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

Part No

REF1933AIDDCT
Manufacturer

TI
ChipWorker Part#

CW7912404
Category

Voltage Reference
Package

TSOT-23-5
Description

V-Ref Programmable 1.65V/3.3V 20mA Medical 5Pin TSOT-23 T/R
Documentation

Datasheet

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REF1933AIDDCT Specifications

Attribute	Attribute Value

Part Number	REF1933AIDDCT
Manufacturer	TI
ChipWorker Part#	CW7912404
Category	Voltage Reference
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	5 Pin
Case/Package	TSOT-23-5
Capacitance Tolerance	±0.1 %
Output Current	20 mA
Supply Current	460 µA
Number of Positions	5 Position
Quiescent Current	360 µA
Input Voltage (Max)	6 V
Output Voltage (Min)	3.3 V
Output Current (Max)	20 ma
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	0.1 %
Input Voltage	3.32V ~ 5.5V
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Operating Temperature	-55℃ ~ 150℃ (TJ)
Temperature Coefficient	±10 ppm/℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

Applications with only a positive supply voltage often require an additional stable voltage in the middle of the analog-to-digital converter (ADC) input range to bias input bipolar signals. The REF19xx provides a reference voltage (VREF) for the ADC and a second highly-accurate voltage (VBIAS) that can be used to bias the input bipolar signals.
The REF19xx offers excellent temperature drift (25 ppm/°C, max) and initial accuracy (0.1%) on both the VREF and VBIAS outputs while operating at a quiescent current less than 430 µA. In addition, the VREF and VBIAS outputs track each other with a precision of 6 ppm/°C (max) across the temperature range of –40°C to 85°C. All these features increase the precision of the signal chain and decrease board space, while reducing the cost of the system as compared to a discrete solution. Extremely low dropout voltage of only 10 mV allows operation from very low input voltages, which can be very useful in battery-operated systems.
Both the VREF and VBIAS voltages have the same excellent specifications and can sink and source current equally well. Very good long-term stability and low noise levels make these devices ideally-suited for high-precision industrial applications.

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