Maxim > Products > Voltage References > MAX6325, MAX6341, MAX6350

MAX6325, MAX6341, MAX6350

1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References
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Status Explanations for product status codes

Active: In Production.

Description

The MAX6325/MAX6341/MAX6350 are low-noise, precision voltage references with extremely low, 0.5ppm/°C typical temperature coefficients and excellent, ±0.02% initial accuracy. These devices feature buried-zener technology for lowest noise performance. Load-regulation specifications are guaranteed for source and sink currents up to 15mA. Excellent line and load regulation and low output impedance at high frequencies make them ideal for high-resolution data-conversion systems up to 16 bits.

The MAX6325 is set for a 2.500V output, the MAX6341 is set for a 4.096V output, and the MAX6350 is set for a 5.000V output. All three provide for the option of external trimming and noise reduction.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 776kB)
Send this datasheet to any email addressE-Mail

Key Features

  • Ultra-Low, 1ppm/°C Max Tempco
  • Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz) (MAX6325)
  • ±0.02% Initial Accuracy (MAX6350)
  • ±15mA Output Source and Sink Current
  • Low, 18mW Power Consumption (MAX6325)
  • Industry-Standard Pinout
  • Optional Noise Reduction and Voltage Trim
  • Excellent Transient Response
  • 8-Pin SO Package Available
  • Low, 30ppm/1000h Long-Term Stability
  • Stable for All Capacitive Loads
 

Applications/Uses

  • Automated Test Equipment (ATE)
  • Digital Voltmeters
  • High-Accuracy Industrial and Process Control
  • High-Accuracy Reference Standard
  • High-Resolution A/D and D/A Converters
  • Precision Current Sources
   

Key Specifications:

Voltage References
Part Number VOUT
(V)		 Temp. Coeff.
(ppm/°C)		 Initial Accuracy
(% max)		 Calibration Method ISUPPLY
(µA)		 VSUPPLY
(V)		 VSUPPLY
(V)		 Noise 0.1Hz to 10Hz
(µVpp)		 Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)		 Budgetary Price
max @ +25°C max min max typ max w/pins See Notes
MAX6325  2.5 1 0.04 Trim 3000 8 36 1.5
-55 to +125
-40 to +85
0 to +70
CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
 81.9 $6.69 @1k
MAX6341  4.096 0.02 3200 2.4
CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
 30.9 $6.69 @1k
MAX6350  5 0.02 3300 3
CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
 30.9 $6.69 @1k
See All Voltage References (168)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

Typical Operating Circuit

Pin Configuration

Application Notes

Application Note 633   Bench Characterization of ADCs Using a Low-Cost PC-Based Data-Acquisition Board
Tutorial 722   3V/5V DACs Support Intelligent Current Loop
Application Note 2879   Selecting the Optimum Voltage Reference
Tutorial 4300   Calculating the Error Budget in Precision Digital-to-Analog Converter (DAC) Applications
Tutorial 4993   Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface

Reliability Reports

Reliability Report: MAX6325.pdf MAX6350.pdf
Show FIT data for:
Request Reliability Report for:

Software/Models

none

Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6325CPA  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6325CPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6325CSA  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6325CSA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6325CSA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6325CSA-T    
Active N.SO;8 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX6325EPA    
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6325EPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6325ESA  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6325ESA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6325ESA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6325ESA-T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6325MJA    
Active CDIP(N);8 pin;82.6 mm²
Outline Drawing:21-0045 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: J8-2*
-55°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6341CPA    
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6341CPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341CSA    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6341CSA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341CSA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341CSA-T    
Active N.SO;8 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX6341EPA    
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6341EPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341ESA    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6341ESA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341ESA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6341ESA-T    
Active N.SO;8 pin

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6341MJA    
Active CDIP(N);8 pin;82.6 mm²
Outline Drawing:21-0045 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: J8-2*
-55°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6350CPA    
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6350CPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6350CSA  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX6350CSA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6350CSA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6350CSA-T    
Active N.SO;8 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX6350EPA  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8-3*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6350EPA+  
Active PDIP(N);8 pin;81.9 mm²
Outline Drawing:21-0043 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: P8+3*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6350ESA    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6350ESA+  
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6350ESA+T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8+5*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX6350ESA-T    
Active SOIC(N);8 pin;30.9 mm²
Outline Drawing:21-0041 (PDF)
Land Pattern: 90-0096 (PDF)
Use pkgcode/variation: S8-5*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
MAX6350MJA    
Active CDIP(N);8 pin;82.6 mm²
Outline Drawing:21-0045 (PDF)
Land Pattern: Not Applicable
Use pkgcode/variation: J8-2*
-55°C to +125°C RoHS/Lead-Free: No
Materials Analysis

Notes:
  1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
  2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
  3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
  4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Notes and Comments

Low-noise, precision voltage references; ultra-low drift

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Document Ref.: 19-1203 Rev 1; 2001-12-18
This page last modified: 2007-05-31

 


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