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Analog Devices LTC2645 | Demoboard DC2197A-A
Quad 12-/10-/8-Bit PWM to VOUT DACs with 10ppm/°C Reference
Overview
| Topology | Other Topology |
| Switching frequency | 30-100 kHz |
| IC revision | 1 |
Description
Demonstration circuit 2197A features the LTC®2645,Quad 12-/10-/8-Bit PWM to VOUT DACs with 10ppm/°Creference in a tiny 4.9mm × 4mm 16-lead MSOP package.DC2197A-A is populated with the 2.5V, 12-bit version ofthe LTC2645.The LTC2645 measures the period and pulse width of thePulse Width Modulation (PWM) input and updates the voltageoutput DAC at each rising edge. The PWM frequencycan be any frequency between 30Hz and 100kHz. The input level can be between 1.71V and 5.5V, set by a separateIOVCC pin. This device solves many of the problems associatedwith filtering a PWM signal to produce an analogvoltage, producing a fast-settling, accurate analog voltagein response to a digital PWM input.
Features
REMARK: Schematic,BOM and pdf is added
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | Pins | Type | Mount | L(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Jumper, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Pins2 | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, 3, Straight | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | Pins3 | TypeStraight | MountTHT | Length6 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins6 | TypeStraight | MountTHT | Length15.24 mm | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||||
 | WR-PHD Pin Header - Single, 8, Straight | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins8 | TypeStraight | MountTHT | Length20.32 mm | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |