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Analog Devices LTC2645 | Demoboard DC2197A-A

Quad 12-/10-/8-Bit PWM to VOUT DACs with 10ppm/°C Reference

Overview

TopologyOther Topology
Switching frequency30-100 kHz
IC revision1

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

Products

Order Code Data­sheet Downloads Product seriesPins
(pcs)
RowsGenderTypeIR
(A)
Packaging Samples
60800213421SPEC
3 files WR-PHD 2.00 mm Jumper with Test Point 2 Jumper 3 Bag
62000311121SPEC
6 files WR-PHD 2.00 mm THT Pin Header 3 Single Pin Header Straight 2 Bag
61300611121SPEC
6 files WR-PHD 2.54 mm THT Pin Header 6 Single Pin Header Straight 3 Bag
61300811121SPEC
6 files WR-PHD 2.54 mm THT Pin Header 8 Single Pin Header Straight 3 Bag
Samples
Order Code Data­sheet Downloads Product seriesPins
(pcs)
RowsGenderTypeIR
(A)
Packaging Samples