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Analog Devices LTM2895 | Demoboard DC2589A

LTM2895 100MHz Isolated DAC SPI Serial Interface and LTC2642-16

Overview

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IC revision1

Description

Demonstration circuit DC2589A shows an LTM®2895isolating and interfacing an LTC®2642-16. The LTM2895is a high speed SPI isolator for interfacing DACs witha full complement of control signals. The LTC2642-16is a bipolar 16-bit unbuffered voltage output DAC. Lownoise isolated power is delivered to the isolated side witha LT®3999 push pull driver and isolation transformer.The DC2589A demonstrates the DC and AC operation ofthe LTC2642-16 without performance degradation whenisolated with the LTM2895. The serial peripheral interface(SPI) runs at a maximum 100MHz SCK frequency. TheLTM2895 is configurable with many DACs with SPI clockfrequencies up to 100MHz.The DC2589A connects to either the DC590 or DC2026for control with QuikEval™.

Features

REMARK: user guide and BOM is added

Products

Order Code Data­sheet Downloads Status Product seriesVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (RMS))
L
(mm)
W
(mm)
MountPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples
750313626SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.WE-PPTI Push-Pull Transformers 3.3 V (DC) 5 0.5 Reinforced 250 - 550 10 1:2 340 5000 9.14 12.7 SMT 7.62 Tape and Reel
62000311121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm THT Pin Header 6 THT 3 Single Pin Header Straight 2 Bag
Order Code Data­sheet
750313626SPEC
62000311121SPEC
Samples
Order Code Data­sheet Downloads Status Product seriesVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (RMS))
L
(mm)
W
(mm)
MountPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples