M56710FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M56710FP Datasheet PDF : 8 Pages
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MITSUBISHI <CONTROL / DRIVER IC>
M56710FP
F2F MAGNETIC STRIPE ENCORDING CARD READER
TEST CIRCUIT: On the following drawing, COSC = 33pF, RPK=470Ω, CPK = 0.033µF, CNF = 470pF, CVR = 1µF
1. Testing of VREF, ICCW, ICCR, fOSC
VCC
ICCW
A ICCR
CNF
RPK
CPK
VIN, fIN
VREF V
LDI
F2F
PKO
PKI
AMP
HD2
HD1
VRF
GND
VCC1
VCC2
CX1
CX2
IB1
IB2
INV
CLS
RDT
RCP
COSC
fosc
Oscilloscope
2. Testing of VOL, VOH, IIL, IIH, IIT+
CVR
LDI
F2F
PKO
PKI
AMP
HD2
HD1
VRF
GND
VCC
VCC1
VCC2
CX1
CX2
IB1
IB2
INV
CLS
RDT
RCP
COSC
IIH
IIL
IIT+
A
VOL
VOH
V
VI
IOL
IOH
RCP
TOW
fOSC
=
16
TOW
Note: Short the IB1 and IB2 to the GND when those
pins are not used for testing.
3. Testing of GV11, GV21, RIN1, VOPP1
4. Testing of IIH2, IIL2, VPKO
VCC
VCC
LDI
THD meter (ON at VOPP1) CNF
RPK
CPK
F2F
PKO
PKI
AMP
VM.AMP
V
VOPP1 10kΩ
(OFF at RIN)
HD2
HD1
10kΩ
VRF
CVR
GND
VCC1
VCC2
CX1
CX2
IB1
IB2
INV
CLS
RDT
RCP
COSC
VM.F2F
VM.PKO
V IPKI
IIH2
IIL2
LDI
F2F
PKO
PKI
AMP
CVR
HD2
HD1
VRF
GND
VCC1
VCC2
CX1
CX2
IB1
IB2
INV
CLS
RDT
RCP
COSC
VIN, IIH
GV11 = VM.AMP
VIN
RIN1 =
2VM.AMP
GV11·VIN - VM.AMP
x 10(kΩ)
IIL2 is PKI input current providing VM.F2F < 0.5V.
IIH2 is PKI input current providing VM.F2F > 4.5V.
VPKO = VM.PKO - VREF
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