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PDF BH2222FV Data sheet ( Hoja de datos )
| Número de pieza | BH2222FV | |
| Descripción | 8bit 20ch D/A converter | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Standard ICs
8bit 20ch D/A converter
BH2222FV
BH2222FV
BH2222FV is an 8bit D/A converter for electronic adjustment. The 20-channel output voltage can be independently
controlled by three-wire serial interface from micro-controller. The built-in power on reset circuit keeps the output state
Low after the power is on. 4-channel have data register function. Two kinds of set voltage can be retained, and output
voltage can be switched by SEL pin.
zApplications
The voltage adjustment for DVC, DSC etc.
zExternal dimensions (Unit : mm)
10.0±0.2
28 15
zFeatures
1) 8bit 20-channel D/A converters adopting R-2R system.
2) 3-wire + 1-wire 16-bit serial interface.
3) POWER ON RESET circuit.
4) The full scale output voltage range : 2.7 ~ 5.5V.
5) It is possible to set the two output full scale level independently.
6) 4-channel date Register extension function.
7) SSOP-B28 package.
1 14 0.15±0.1
0.1
0.65 0.22±0.1
SSOP-B28
zAbsolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Power supply voltage
VCC
−0.3~+7.0
Maximum output voltage
VIN
−0.3~VCC
Storage temperature
Power dissipation
Tstg
Pd
−55~+125
640 ∗
∗Reduced by 6.4mW for each increase in Ta of 1°C over 25°C.
This product is not designed for protection against radioactive rays.
Unit
V
V
°C
mW
zRecommended operating conditions (Ta=25°C)
Parameter
Symbol
Min.
VCC supply voltage
VCC 4.5
VDD1 supply voltage
VDD1
2.7
VDD2 supply voltage
Analog output source current
VDD2
IOL
2.7
−
Analog output sink current IOH −
Operating temperature range
Topr
−20
Clock frequency
FSCLK
−
Limit load capacitance
CL −
Please set to VCC ≥ VDD1, VDD2.
Typ.
−
−
−
−
−
−
1.0
−
Max.
5.5
VCC
VCC
1.0
1.0
85
−
0.47
Unit
V
V
V
mA
mA
°C
MHz
µF
Rev.A
1/3
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet BH2222FV.PDF ] | |
Hoja de datos destacado
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