LTC1662
PRODUCTIONUltralow Power, Dual 10-Bit DAC in MSOP
- Part Models
- 6
- 1ku List Price
- Starting From $3.34
Part Details
- Ultralow Power: 1.5µA (Typ) ICC per DAC Plus 0.05µA Sleep Mode for Extended Battery Life
- Tiny: Two 10-Bit DACs in an 8-Lead MSOP—Half the Size of an SO-8
- Wide 2.7V to 5.5V Supply Range
- Double Buffered for Simultaneous DAC Updates
- Rail-to-Rail Voltage Outputs Drive 1000pF
- Reference Range Includes Supply for Ratiometric 0V to VCC Output
- Reference Input Impedance Is Code-Independent (7.1MΩ Typ)—Eliminates External Buffers
- 3-Wire Serial Interface with Schmitt Trigger Inputs
- Differential Nonlinearity: ±0.75LSB Max
The LTC1662 is an ultralow power, fully buffered voltage output, dual 10-bit digital-to-analog converter (DAC). Each DAC channel draws just 1.7µA (typ) total supply-plus-reference operating current, yet is capable of supplying DC output currents in excess of 1mA and reliably driving capacitive loads of up to 1000pF. A programmable Sleep mode further reduces total operating current to 0.05µA.
Linear Technology’s proprietary, inherently monotonic architecture provides excellent linearity and an exceptionally small external form factor. The double-buffered input logic provides simultaneous update capability and can be used to write to the DACs without interrupting Sleep mode.
With its tiny operating current and exceptionally small size, the LTC1662 is ideal for use in the most power-constrained products. For most designs, there is no perceptible impact on the power budget; the LTC1662 draws many times less current than even a trimpot, while providing buffered, low impedance (0.5Ω typical, VCC = 5V) rail-to-rail outputs.
The LTC1662 is pin and software compatible with the LTC1661 dual, 60µA 10-bit DAC. It is available in 8-pin MSOP and PDIP packages and is specified over the industrial temperature range.
Applications
- Mobile Communications
- Portable Battery-Powered Instruments
- Remote or Inaccessible Adjustments
- Digitally Controlled Amplifiers and Attenuators
- Factory or Field Calibration
Documentation
Data Sheet 1
Reliability Data 1
Product Selector Card 3
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 Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC1662CMS8#PBF | 8-Lead MSOP | ||
| LTC1662CMS8#TRPBF | 8-Lead MSOP | ||
| LTC1662CN8#PBF | 8-Lead PDIP (Narrow 0.3 Inch) | ||
| LTC1662IMS8#PBF | 8-Lead MSOP | ||
| LTC1662IMS8#TRPBF | 8-Lead MSOP | ||
| LTC1662IN8#PBF | 8-Lead PDIP (Narrow 0.3 Inch) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Oct 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package |
||
| LTC1662CMS8#PBF | PRODUCTION | |
| LTC1662CMS8#TRPBF | PRODUCTION | |
| LTC1662IMS8#PBF | PRODUCTION | |
| LTC1662IMS8#TRPBF | PRODUCTION | |
|
Feb 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC |
||
| LTC1662CMS8#PBF | PRODUCTION | |
| LTC1662CMS8#TRPBF | PRODUCTION | |
| LTC1662IMS8#PBF | PRODUCTION | |
| LTC1662IMS8#TRPBF | PRODUCTION | |
|
Oct 8, 2024 - 24_0234 Migrating Bottom Trace Code Marking to Top Side Laser Marking for PDIP Package |
||
| LTC1662CN8#PBF | PRODUCTION | |
| LTC1662IN8#PBF | PRODUCTION | |
|
Oct 11, 2022 - 22_0241 Epoxy Change from Henkel 8290 to 8290A for PDIP Package |
||
| LTC1662CN8#PBF | PRODUCTION | |
| LTC1662IN8#PBF | PRODUCTION | |
|
Aug 6, 2022 - 22_0172 Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG] |
||
| LTC1662CN8#PBF | PRODUCTION | |
| LTC1662IN8#PBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
Tools & Simulations
Precision DAC Error Budget Tool
The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.
Open ToolEvaluation Kits
LTC1661/LTC1662 2-Channel, 10-Bit, Micropower DACs