-
AD680: Bandgap, Low Power 2.5 V Reference Data Sheet (Rev. H)4/14/2010PDF474 kB
Overview
Features and Benefits
- Low quiescent current: 250 µA max
- Laser trimmed to high accuracy: 2.5 V ± 5 mV max (AN, AR grades)
- Trimmed temperature coefficient: 20 ppm/°C Max (AN, AR grades)
- Low noise: 8 µVP-P from 0.1 Hz to 10 Hz
- 250 nV/√Hz wideband
- Temperature output pin (N, R packages)
- Available in three package styles: 8-Lead PDIP, 8-lead SOIC, and 3-pin TO-92
Product Details
The AD680 is a bandgap voltage reference which provides a 2.5 V output from inputs between 4.5 V and 36 V. The architecture of the AD680 enables the reference to be operated at a very low quiescent current while still realizing excellent dc characteristics and noise performance. Trimming of the high stability thin-film resistors is performed for initial accuracy and temperature coefficient, resulting in low errors over temperature. The precision dc characteristics of the AD680 make it ideal for use as a reference for D/A converters which require an external precision reference. The device is also ideal for A/D converters and, in general, can offer better performance than the standard on-chip references.
Based upon the low quiescent current of the AD680, which that of many incomplete two-terminal references, the AD680 is recommended for low power applications such as hand-held battery equipment.
A temperature output pin is provided on the 8-pin package versions of the AD680. The temperature output pin provides an output voltage that varies linearly with temperature and allows the AD680 to be configured as a temperature transducer while providing a stable 2.5 V output.
The AD680 is available in five grades. The AD680AN is specified for operation from -40°C to +85°C, while the AD680JN is specified for 0°C to +70°C operation. Both the AD680AN and AD680JN are available in 8-pin plastic DIP packages. The AD680AR is specified for operation from -40°C to +85°C, while the AD680JR is specified for 0°C to +70°C operation. Both are available in an 8-pin Small Outline IC (SOIC) package. The AD680JT is specified for 0°C to +70°C operation and is available in a 3-pin TO-92 package.
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
-
FAQs7/26/2017
-
Monolithic 10-bit, 18 MSPS Sampling A/D Converter with On-chip Track-Hold5/1/1991 Analog Dialogue
Tools & Simulations
SPICE Models
CIR
AD680 SPICE Macro Model
1.67 K
CIR
AD680A SPICE Macro Model
1.88 K
CIR
AD680J SPICE Macro Model
1.95 K
CIR
AD680JT SPICE Macro Model
1.89 K
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| AD680ANZ | Material Declaration | Reliability Data | 8-Lead PDIP | |
| AD680ARZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD680ARZ-REEL7 | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD680JRZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD680JRZ-REEL7 | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD680JTZ | Material Declaration | Reliability Data | 3-Lead TO-92 | |
| Wafer Fabrication Data |
PCN-PDN Information
Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.
Sample & Buy
Ordering FAQs
See our Ordering FAQs for answers to questions about online orders, payment options and more.
Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
List Pricing
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Lead Times
Please see the latest communication from our CCO regarding lead times.
Sampling
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.