Datasheet DS4305 (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 / 308 Kb |
| Idioma del documento | Inglés |
EVALUATION KIT. AVAILABLE. Electronically Programmable. Voltage Reference. DS4305. General Description. Features
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Rev 1; 8/06
EVALUATION KIT AVAILABLE Electronically Programmable Voltage Reference DS4305 General Description Features
The DS4305 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
±
1.5mV
voltage level indefinitely, even if the device is power cycled. The DS4305 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 DS4305 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
♦
Low Cost Applications
♦
Low Power Consumption
Power-Supply Calibration ♦
4.0V to 5.5V Single-Supply Operation
Threshold Setting ♦
Small 5-Lead SOT23 Package
Offset Nulling ♦
-40°C to +125°C Temperature Operation
Bias Adjusting ♦
DS4305K Evaluation Kit is Available
Power Amps Pressure Bridges
Ordering Information
Factory-Calibrated Equipment
PIN- SOT PART TEMP RANGE PACKAGE MARK
DS4305R+T&R -40°C to +125°C 5 SOT23 4305+ +Denotes lead-free package.
Typical Operating Circuit Pin Configuration
TOP VIEW
EXISTING SOLUTION DS4305 SOLUTION
VCC ADJ 1 5 VCC REFERENCE VOLTAGE VCC DS4305 REFERENCE GND 2 V SHUNT OUT DS4305 VOLTAGE VOLTAGE GND REFERENCE V HAND-SELECTED IN ADJ 0.1% RESISTOR VIN 3 4 VOUT OR MECHANICAL POT ACCESS FOR AUTOMATED
SOT23
ALIGNMENT
______________________________________________ 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 DS4305 General Description Features
The DS4305 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
±
1.5mV
voltage level indefinitely, even if the device is power cycled. The DS4305 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 DS4305 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
♦
Low Cost Applications
♦
Low Power Consumption
Power-Supply Calibration ♦
4.0V to 5.5V Single-Supply Operation
Threshold Setting ♦
Small 5-Lead SOT23 Package
Offset Nulling ♦
-40°C to +125°C Temperature Operation
Bias Adjusting ♦
DS4305K Evaluation Kit is Available
Power Amps Pressure Bridges
Ordering Information
Factory-Calibrated Equipment
PIN- SOT PART TEMP RANGE PACKAGE MARK
DS4305R+T&R -40°C to +125°C 5 SOT23 4305+ +Denotes lead-free package.
Typical Operating Circuit Pin Configuration
TOP VIEW
EXISTING SOLUTION DS4305 SOLUTION
VCC ADJ 1 5 VCC REFERENCE VOLTAGE VCC DS4305 REFERENCE GND 2 V SHUNT OUT DS4305 VOLTAGE VOLTAGE GND REFERENCE V HAND-SELECTED IN ADJ 0.1% RESISTOR VIN 3 4 VOUT OR MECHANICAL POT ACCESS FOR AUTOMATED
SOT23
ALIGNMENT
______________________________________________ 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.