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Product InformationFeatures
CommsDAC is a trademark of Texas Instruments Incorporated. Description
The THS5661A is a 12-bit resolution digital-to-analog converter (DAC) specifically optimized for digital data transmission in wired and wireless communication systems. The 12-bit DAC is a member of the CommsDAC series of high-speed, low-power CMOS digital-to-analog converters. The CommsDAC family consists of pin compatible 14-, 12-, 10-, and 8-bit DACs. All devices offer identical interface options, small outline package, and pinout. The THS5661A offers superior ac and dc performance while supporting update rates up to 125 MSPS. The THS5661A operates from an analog and digital supply of 3 V to 5.5 V. Its inherent low power dissipation of 175 mW ensures that the device is well-suited for portable and low-power applications. Lowering the full-scale current output reduces the power dissipation without significantly degrading performance. The device features a SLEEP mode, which reduces the standby power to approximately 25 mW, thereby optimizing the power consumption for system needs. The THS5661A is manufactured in Texas Instruments advanced high-speed mixed-signal CMOS process. A current-source-array architecture combined with simultaneous switching shows excellent dynamic performance. On-chip edge-triggered input latches and a 1.2 V temperature-compensated bandgap reference provide a complete monolithic DAC solution. The digital supply range of 3 V to 5.5 V supports 3 V and 5 V CMOS logic families. Minimum data input setup and hold times allow for easy interfacing with external logic. The THS5661A supports both a straight binary and twos complement input word format, enabling flexible interfacing with digital signal processors. The THS5661A provides a nominal full-scale differential output current of 20 mA and < 300 k The THS5661A is available in both a 28-pin SOIC and TSSOP package. The device is characterized for operation over the industrial temperature range of –40°C to 85°C. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| THS5661AIDW | ACTIVE | -40 to 85 | 7.25 | 1ku | SOIC (DW) | 28 | View | 20 | TUBE | |||
| THS5661AIDWG4 | ACTIVE | -40 to 85 | 7.25 | 1ku | SOIC (DW) | 28 | View | 20 | TUBE | |||
| THS5661AIDWR | ACTIVE | -40 to 85 | 6.60 | 1ku | SOIC (DW) | 28 | View | 1000 | LARGE T&R | Purchase Samples | ||
| THS5661AIDWRG4 | ACTIVE | -40 to 85 | 6.60 | 1ku | SOIC (DW) | 28 | View | 1000 | LARGE T&R | Purchase Samples | ||
| THS5661AIPW | ACTIVE | -40 to 85 | 7.25 | 1ku | TSSOP (PW) | 28 | View | 50 | TUBE | |||
| THS5661AIPWG4 | ACTIVE | -40 to 85 | 7.25 | 1ku | TSSOP (PW) | 28 | View | 50 | TUBE | |||
| THS5661AIPWR | ACTIVE | -40 to 85 | 6.60 | 1ku | TSSOP (PW) | 28 | View | 2000 | LARGE T&R | Purchase Samples | ||
| THS5661AIPWRG4 | ACTIVE | -40 to 85 | 6.60 | 1ku | TSSOP (PW) | 28 | View | 2000 | LARGE T&R | Purchase Samples | ||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 10:39 AM GMT, 08 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 1 WeekTHS5661AIDW | |||
| Americas | Newark | 10 | |
| Rochester Electronics | >1k | ||
| Asia | WPI | 57 | |
| Worldwide | DigiKey | 111 | |
| TI Lead Time*: 1 WeekTHS5661AIDWG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 4 WeeksTHS5661AIDWR | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 4 WeeksTHS5661AIDWRG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksTHS5661AIPW | |||
| Americas | Avnet | 6 | |
| Rochester Electronics | >1k | ||
| Asia | WPI | 95 | |
| Worldwide | DigiKey | 619 | |
| Mouser Electronics | 30 | ||
| TI Lead Time*: 20 WeeksTHS5661AIPWG4 | |||
| Europe | EBV Elektronik | 100 | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksTHS5661AIPWR | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksTHS5661AIPWRG4 | |||
| Worldwide | DigiKey | Available | |
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
THS5661AIDW  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIDWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIDWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIDWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIPW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIPWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIPWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| THS5661AIPWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for THS5661A 
View Application Notes for Digital to Analog Converter
| Name | Part # | Company | Tool / Software Type |
| Wideband Comp Current Output DAC to SE Interface: Impr Matching for Gain & Compliance Volt Swing | MATCHGAIN-CALC | Texas Instruments | Calculation Utilities |
| THS5661A Evaluation Module | THS5661EVM | Texas Instruments | Development Boards/EVMs |
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| THS5671A | 14-Bit, 125 MSPS, CommsDAC, Diff. Scalable Current Outputs between 2mA to 20mA | DATA CONVERTERS-DIGITAL TO ANALOG CONVERTER | TI customers also evaluated this product. |
| DAC7821 | 12-bit, Parallel Input, Multiplying DAC | DATA CONVERTERS-DIGITAL TO ANALOG CONVERTER | TI customers also evaluated this product. |
| DAC902 | 12-Bit, 165MSPS SpeedPlus(TM) DAC Scalable Current Outputs between 2mA to 20mA | DATA CONVERTERS-DIGITAL TO ANALOG CONVERTER | TI customers also evaluated this product. |
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output impedance, supporting both single-ended and differential applications. The output current can be directly fed to the load (e.g., external resistor load or transformer), with no additional external output buffer required. An accurate on-chip reference and control amplifier allows the user to adjust this output current from 20 mA down to 2 mA, with no significant degradation of performance. This reduces power consumption and provides 20 dB gain range control capabilities. Alternatively, an external reference voltage and control amplifier may be applied in applications using a multiplying DAC. The output voltage compliance range is 1.25 V.
