Datasheet DS4303 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | Electronically Programmable Voltage Reference |
| Páginas / Página | 8 / 1 — EVALUATION KIT. AVAILABLE. Electronically Programmable. Voltage … |
| Formato / tamaño de archivo | PDF / 396 Kb |
| Idioma del documento | Inglés |
EVALUATION KIT. AVAILABLE. Electronically Programmable. Voltage Reference. DS4303. General Description. Features
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Rev 1; 8/06
EVALUATION KIT AVAILABLE Electronically Programmable Voltage Reference DS4303 General Description Features
The DS4303 is a nonvolatile (NV) electronically pro- ♦
Precise Electronically Adjustable Voltage
grammable voltage reference. The reference voltage is
Reference
programmed in-circuit during factory calibration/ programming. Programming the reference voltage, ♦
Enables Automated Factory Trimming of Devices
VOUT, is as simple as applying the desired voltage on
Needing Voltage Adjustment
VIN and toggling the adjust pin (ADJ) to lock the VOUT ♦
Can be Adjusted to Within
±
1mV
voltage level indefinitely, even if the device is power cycled. The DS4303 replaces current cumbersome fac- ♦
Wide Adjustable Output Voltage Range Within
tory adjustment arrangements with a low-cost solution
300mV of the Supply Rails
that can be adjusted using automated techniques. In ♦
Low Temperature Coefficient
addition, the DS4303 has the ability to be readjusted after the unit has been fully assembled and tested. This ♦ ±
1mA of Output-Current Drive
results in a much more flexible manufacturing arrange- ♦
NV Memory Stores the Voltage Indefinitely
ment, lower inventory costs, and a quicker time-to-market. ♦
Output Short-Circuit Protection Applications
♦
Low Cost
♦
Low Power Consumption
Power-Supply Calibration Threshold Setting ♦
2.4V to 3.6V Single-Supply Operation
Offset Nulling ♦
Small 5-Lead SOT23 Package
Bias Adjusting Power Amps
Ordering Information
Pressure Bridges Factory-Calibrated Equipment
PIN- SOT PART TEMP RANGE PACKAGE MARK
DS4303R/T&R -40°C to +85°C SOT23-5 4303 DS4303R+T&R -40°C to +85°C SOT23-5 4303+ +Denotes lead-free package.
Typical Operating Circuit Pin Configuration EXISTING SOLUTION DS4303 SOLUTION
TOP VIEW VCC ADJ 1 5 VCC REFERENCE VOLTAGE DS4303 VCC REFERENCE DS4303 VOUT GND 2 SHUNT VOLTAGE VOLTAGE GND REFERENCE V HAND SELECTED IN ADJ 0.1% RESISTOR OR MECHANICAL POT VIN 3 4 VOUT ACCESS FOR AUTOMATED ALIGNMENT
SOT23 ______________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION KIT AVAILABLE Electronically Programmable Voltage Reference DS4303 General Description Features
The DS4303 is a nonvolatile (NV) electronically pro- ♦
Precise Electronically Adjustable Voltage
grammable voltage reference. The reference voltage is
Reference
programmed in-circuit during factory calibration/ programming. Programming the reference voltage, ♦
Enables Automated Factory Trimming of Devices
VOUT, is as simple as applying the desired voltage on
Needing Voltage Adjustment
VIN and toggling the adjust pin (ADJ) to lock the VOUT ♦
Can be Adjusted to Within
±
1mV
voltage level indefinitely, even if the device is power cycled. The DS4303 replaces current cumbersome fac- ♦
Wide Adjustable Output Voltage Range Within
tory adjustment arrangements with a low-cost solution
300mV of the Supply Rails
that can be adjusted using automated techniques. In ♦
Low Temperature Coefficient
addition, the DS4303 has the ability to be readjusted after the unit has been fully assembled and tested. This ♦ ±
1mA of Output-Current Drive
results in a much more flexible manufacturing arrange- ♦
NV Memory Stores the Voltage Indefinitely
ment, lower inventory costs, and a quicker time-to-market. ♦
Output Short-Circuit Protection Applications
♦
Low Cost
♦
Low Power Consumption
Power-Supply Calibration Threshold Setting ♦
2.4V to 3.6V Single-Supply Operation
Offset Nulling ♦
Small 5-Lead SOT23 Package
Bias Adjusting Power Amps
Ordering Information
Pressure Bridges Factory-Calibrated Equipment
PIN- SOT PART TEMP RANGE PACKAGE MARK
DS4303R/T&R -40°C to +85°C SOT23-5 4303 DS4303R+T&R -40°C to +85°C SOT23-5 4303+ +Denotes lead-free package.
Typical Operating Circuit Pin Configuration EXISTING SOLUTION DS4303 SOLUTION
TOP VIEW VCC ADJ 1 5 VCC REFERENCE VOLTAGE DS4303 VCC REFERENCE DS4303 VOUT GND 2 SHUNT VOLTAGE VOLTAGE GND REFERENCE V HAND SELECTED IN ADJ 0.1% RESISTOR OR MECHANICAL POT VIN 3 4 VOUT ACCESS FOR AUTOMATED ALIGNMENT
SOT23 ______________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.