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16 interpolations LSI of high resolution encoder

KM1102 is the 16 interpolation LSI which outputs digital 64 edges from 2-phase analog input signals. This LSI inputs sine and cosine signals from an analog encoder and divides the voltage by inserting the unique size of polio-silicon resistors between 2-nodes and compensated the amplitude and comparing to the reference. Then output feeds into the logic circuit to create the digital output, proportioning with the input phase change. This LSI enables the optical, magnetic or Laser type encoder more precious and value added with simple and low cost.

■Features
Ta=25°C

Type No. Intepola-
tions
Supply
voltage
Vcc(V)
Input
voltage
Vi *2
(Vpp)
Intepola-
tion
error
Ei(%)
Accumu-
lated
interpola-
tion
error
Eai(%)
Consu-
mption
power
Pc
(mW)
Operating
topr.
Topr.
(°C)
Storage
Tstg.
(°C)
Package
KM1102-N04S14 pdf 2 or 4 5 1~3 10 15 40 -40~+105 -40~+125 SSOP14
KM1102-N08S14 pdf 8 5 1~3 20 25 40 -40~+105 -40~+125 SSOP14
KM1102-N16S14 pdf 16 5 1~3 30 35 40 -40~+105 -40~+125 SSOP14
KM1102-NECS14 pdf 2,4,8
or 16
5 1~3 *1 *1 40 -40~+105 -40~+125 SSOP14
KM1102-NECL14 pdf 2,4,8
or 16
5 1~3 *1 *1 40 -40~+105 -40~+125 LNC14

*1 refer to the each value of same interpolation factor.

*2 Input voltage shows the recommended values.

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