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參數(shù)資料
| 型號： | CXA3031Q |
| 廠商： | Sony Corporation |
| 英文描述： | Film Capacitor; Voltage Rating:250VDC; Capacitor Dielectric Material:Polyethylene Naphthalate; Capacitance:47000pF; Capacitance Tolerance:+/- 10%; Leaded Process Compatible:No; Package/Case:2416; Peak Reflow Compatible (260 C):No RoHS Compliant: Yes |
| 中文描述： | 讀/寫放大器（帶內(nèi)置過濾器）的軟驅(qū) |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 310K |
| 代理商： | CXA3031Q |
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CXA3031Q
E95318-ST
Read/Write Amplifier (with Built-in Filters) for FDDs
For the availability of this product, please contact the sales office.
Description
The CXA3031Q is a monolithic IC designed for use
with three-mode Floppy Disk Drives, and contains a
read circuit (with a four-mode filter system), a write
circuit, an erase circuit, and a supply voltage
detection circuit, all on a single chip.
Features
Single 5V power supply
Filter system can be switched among four modes:
1M, 1.6M/2M, which are each inner track/outer
track
Filter characteristics can be set to Chebyshev (1dB
ripple) for 1.6M, 2M/inner track only, and to
Butterworth for the other modes
A custom selection can be made between
Chebyshev (1dB ripple) and Butterworth for the
filter characteristics for 1.6M, 2M/inner track only
Permits customization of the fc ratio
Low preamplifier input conversion noise voltage of
2.0nV/
√
Hz (typ.) keeps read data output jitter to a
minimum
Preamplifier voltage gain can be switched between
39dB and 45dB
In inner track mode (OTF = Low), the voltage gain
is boosted by 3dB, making it possible to minimize
peak shift in inner tracks.
Time domain filter can be switched between two
modes: 1M, 1.6M/2M
Write current can be switched among three modes:
1M/1.6M/2M. The inner/outer track current ratio is
fixed for each mode, but can be customized.
Erase current can be set by an external resistor,
and remains constant. In addition, the current rise
time Tr and fall time Tf are determined according to
the head inductance and current. (Refer to page
20.)
Damping resistor can be built in. Resistance can be
customized between 2k
and 15k
in 1k
steps.
A damping resistor can not be connected to this IC,
however.
Supply voltage detection circuit
Applications
Three-mode FDDs
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
(Ta = 25°C)
Supply voltage
Operating temperature
Storage temperature
Allowable power dissipation
V
CC
Topr
Tstg
7.0
V
–20 to +75
–65 to +150
°C
°C
P
D
500
mW
Digital signal input pin Input voltage
–0.5 to V
CC
+ 0.3
V
CC
+ 0.3
V
CC
+ 0.3
15
20
30
7
V
V
V
V
Power ON output voltage applied
Erase output voltage applied
Write head voltage applied
Write current
Erase current
Power on output current
I
W
I
E
mAo-p
mA
mA
Operating Conditions
Supply voltage
4.4 to 6.0
V
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
32 pin QFP (Plastic)
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相關代理商/技術參數(shù) |
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|---|---|
| CXA3038N | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:IQ Detection IC for Digital Satellite Broadcast Tuner |
| CXA3048R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Channel Disk Read/Write Circuit |
| CXA3050 | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:NICAM and SMATV RF MODULATOR/PLL |
| CXA3050-0000-000N00V40E8 | 功能描述:大功率LED - 白色 White, 4545lm RoHS:否 制造商:Cree, Inc. 照明顏色:Warm White 顏色溫度:2700 K 光通量:5083 lm 顯示角:115 deg 正向電流:1400 mA 正向電壓:37 V 安裝風格:SMD/SMT 系列:CXA3050 封裝:Tray |
| CXA3050-0000-000N00V427F | 功能描述:大功率LED - 白色 White, 2700K 5122lm, 1.4A RoHS:否 制造商:Cree, Inc. 照明顏色:Cool White 顏色溫度:5000 K 光通量:280 lm 顯示角:125 deg 正向電流:700 mA 正向電壓:2.9 V 安裝風格:SMD/SMT 系列:XMLBWW 封裝:Reel |
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