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參數(shù)資料
| 型號： | HFA5251 |
| 廠商： | Intersil Corporation |
| 英文描述： | 800MHz Monolithic Pin Driver |
| 中文描述： | 800MHz的單片管腳驅(qū)動 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 137K |
| 代理商： | HFA5251 |
2
Pin Descriptions
NAME
FUNCTION
V
CC1
Positive Supply. Nominal value is 10V
±
0.2V. Reducing supply voltage below 9.8V will reduce positive output voltage swing. The
total supply voltage from V
CC1
to V
EE1
should not exceed 15.6V for normal operation or exceed 17.0V to prevent damage. Intersil
recommends two wire bonds to this pad to provide the lowest possible impedance. In addition, power supply decoupling chip
capacitors of 470pF, 0.1
μ
F and a 10
μ
F tantalum are recommended.
V
EE1
Negative Supply. Nominal value is -5.2V
±
0.2V. A supply voltage more positive than -5.0V will reduce negative output voltage
swing. The total supply voltage from V
CC1
to V
EE1
should not exceed 15.6V for normal operation or exceed 17.0V to prevent
damage. Intersil recommends two wire bonds to this pad to provide the lowest possible impedance. In addition, power supply
decoupling chip capacitors of 470pF, 0.1
μ
F and a 10
μ
F tantalum are recommended.
V
CC2
Output Stage Positive Supply. Nominal voltage and cautions are the same as for V
CC1
. Having decoupling chip capacitors close
to V
CC2
and V
EE2
is essential since large AC current will flow through this pad to the output during transients. Normally V
CC1
and V
CC2
are connected together close to the die and share decoupling capacitors. Intersil recommends two wire bonds for this
pad.
V
EE2
Output Stage Negative Supply. Nominal voltage and cautions are the same as for V
EE1
. Having decoupling chip capacitors close
to V
CC2
and V
EE2
is essential since large AC current will flow through this pad to the output during transients. Normally V
EE1
and V
EE2
are connected together close to the die and share decoupling capacitors. Intersil recommends two wire bonds for this
pad.
V
HIGH
Input Voltage High is used to set the output high level V
OH
. V
HIGH
is sensitive to capacitively coupled AC noise. Protection from
high frequency noise can be achieved with a low pass filter consisting of a 50
chip resistor and a 470pF chip capacitor. Without
this precaution the pin driver may oscillate due to feedback from the output through the PC board ground.
V
LOW
Input Voltage Low is used to set the output low level V
OL
. V
LOW
is sensitive to capacitively coupled AC noise. Protection from
high frequency noise can be achieved with a low pass filter consisting of a 50
chip resistor and a 470pF chip capacitor. Without
this precaution the pin driver may oscillate due to feedback from the output through the PC board ground.
V
OUT
Driver Output. The output impedance has been laser trimmed to match a 50
transmission line
±
2
. Custom output impedance
trimming is available (contact sales office for details) to provide the best match possible to your 50
system.
DATA,
DATA
Differential Digital Inputs used to switch V
OUT
to the V
HIGH
or V
LOW
level. Intersil recommends this input pair be driven by com-
plementary ECL signals to provide optimal switching speeds and timing accuracy. However a large Common Mode and Differen-
tial Voltage Range is provided to accommodate a variety of signals including single ended TTL and CMOS. When using single
ended signals the other input must be tied to an appropriate threshold.
HiZ,
HiZ
Differential Digital Inputs used to switch V
OUT
from an Active to a High Impedance State. Intersil recommends that this input pair
be driven by complementary ECL signals to provide optimal switching speeds and timing accuracy. However a large Common
Mode and Differential Voltage Range is provided to accommodate a variety of signals including single ended TTL and CMOS.
When using single ended signals the other input must be tied to an appropriate threshold.
HFA5251
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HFA5251 WAF | 制造商:Intersil Corporation 功能描述: |
| HFA5251Y | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Pin ATE Driver |
| HFA5253 | 制造商:HARRIS 制造商全稱:HARRIS 功能描述:800MHz, Ultra High-Speed Monolithic Pin Driver |
| HFA5253CB | 制造商:HARRIS 制造商全稱:HARRIS 功能描述:800MHz, Ultra High-Speed Monolithic Pin Driver |
| HFA5253CB WAF | 制造商:Harris Corporation 功能描述: |
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