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PDF HT9281 Data sheet ( Hoja de datos )
| Número de pieza | HT9281 | |
| Descripción | (HT9281 - HT9284) TinyPower Operation Amplifier | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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HT9281/HT9282/HwwTw9.D2ata8Sh4eet4U.com
Operation Amplifier
Features
· Operating Voltage: 2.0V to 5.5V
· Supply Current: 220mA/amplifier typical
· Rail-to-Rail Output
· Gain Bandwidth: 2.3MHz typical
· Unity Gain Stable
Applications
· Automotive
· Portable Equipment
· Photodiode Amplifier
· Available in Single, Dual and Quad Op¢s package
types
· Package type:
HT9281: TSOT23-5
HT9282: 8-pin DIP/SOP
HT9284: 14-pin DIP/SOP
· Analog Filters
· Notebooks and PDAs
· Battery Powered Systems
General Description
The Holtek HT9281/HT9282/HT9284 range of
Operational Amplifiers operate with a single supply
voltage as low as 2.0V and offer a low supply current of
only 220mA/amplifier. In offering rail-to-rail output
voltage the devices can operate with a maximum
voltage range. The devices also provide a gain
bandwidth product of 2.3MHz and are also unity gain
stable. These products are suitable for a wide range of
analog signal processing applications but especially
suitable for the portable device and battery powered
equipment application areas.
Selection Table
Part No.
Amplifiers
HT9281
1
HT9282
2
HT9284
4
Package
TSOT23-5
8DIP/SOP
14DIP/SOP
Block Diagram
1O U T
1 IN -
1 IN +
VDD
2 IN +
2 IN -
2O U T
4O U T
4 IN -
4 IN +
VSS
3 IN +
3 IN -
3O U T
Rev. 1.00
1 February 11, 2010
1 page  
Application Circuits
Difference Amplifier Circuit
V REF
R2
R1
R2
V IN 1
A
1 /2
R 1 H T9284
V D D /2
HT9281/HT928w2w/wH.DTa9ta2S8he4et4U.com
R4
V D D /2
R3
B
1 /2
H T9284
V OUT
Two Op Amp Instrumentation Amplifier
V REF
R1
RG
R2
R2
R1
V1 V2
1 /2
H T9284
1 /2
H T9284
V O U T = (V 2-V 1) x (1 +
R1
R2
+
2R 1
RG
)
+
V REF
V OUT
Rev. 1.00
5 February 11, 2010
5 Page 
Product Tape and Reel Specifications
T2
HT9281/HT928w2w/wH.DTa9ta2S8he4et4U.com
D
AB
C
Reel Dimensions
T1
SOP 8N
Symbol
A
B
C
D
T1
T2
Description
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
Space Between Flange
Reel Thickness
SOP 14N
Symbol
A
B
C
D
T1
T2
Description
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
Space Between Flange
Reel Thickness
TSOT23-5
Symbol
A
B
C
D
T1
T2
Description
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
Space Between Flange
Reel Thickness
Rev. 1.00
11
Dimensions in mm
330.0±1.0
100.0±1.5
13.0 +0.5/-0.2
2.0±0.5
12.8 +0.3/-0.2
18.2±0.2
Dimensions in mm
330.0±1.0
100.0±1.5
13.0 +0.5/-0.2
2.0±0.5
16.8 +0.3/-0.2
22.2±0.2
Dimensions in mm
178.0±1.0
60.0±1.0
13.0 +0.5/-0.2
2.4±0.1
9.0±0.5
11.8±0.5
February 11, 2010
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet HT9281.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| HT9281 | (HT9281 - HT9284) TinyPower Operation Amplifier | Holtek Semiconductor |
| HT9282 | (HT9281 - HT9284) TinyPower Operation Amplifier | Holtek Semiconductor |
| HT9284 | (HT9281 - HT9284) TinyPower Operation Amplifier | Holtek Semiconductor |
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