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HT48R0662G View Datasheet(PDF) - Holtek Semiconductor

Part Name
Description
MFG CO.
HT48R0662G
Holtek
Holtek Semiconductor Holtek
'HT48R0662G' PDF : 126 Pages View PDF
HT48R064G/065G/066G/0662G
Enhanced I/O Type 8-Bit OTP MCU with OPA
Operational Amplifier Application Example
The OPAs can be connected to work with each other or standalone as shown in the block diagram.
With the software controlled Switch and MUX, the OPAs can be connected to form various OPA
related applications, such as, Unity Gain Buffer, Non-Inverting Amplifier, Inverting Amplifier,
Integrators, Differential Amplifier, Low-Pass filter, High-Pass filter and Band-Pass filter,etc. The
following diagrams show the interconnection and settings between the OPAs to implement these
applications. The following examples are however only for reference.
Unity Gain Buffer
· Example
A0
V IN
· Implementation connection
A 0N
S 11 O FF
A 0P
0 .7 V D D
0 .5 V D D
0 .1 V D D
M A 0P
M UX
A 0P S 2~A 0P S 0
A 0X
· Unity Gain Buffer Switch Setup
Bit
7
6
5
4
OPA2C
S24
S23
S22
S21
Setup value
x
x
x
x
Bit
OPA0C
Setup value
7
A0PS2
0
Switch control bits options:
S11: OFF
S12: ON
S13: ON
A0PS[2:0]: 000
6
A0PS1
0
5
A0PS0
0
4
CPS2
0
VO UT
S 12 O N
A0
S 13 O N
3
S13
1
3
CPS1
0
T o O P A 0 In te rru p t o r
C o m p a ra to r In p u t
2
S12
1
2
CPS0
0
1
0
S11
CXC
0
x
²x² don¢t care
1
CNS1
0
0
CNS0
0
Rev. 1.10
73
October 23, 2012
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