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參數(shù)資料
| 型號： | CS4121ENF16G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TACH/SPEEDO DRIVER 16-DIP |
| 產(chǎn)品變化通告： | Product Obsolescence 13/Apr/2009 |
| 標準包裝： | 25 |
| 類型： | 傳感器接口 |
| 輸入類型： | 電壓 |
| 輸出類型： | 差分 |
| 電流 - 電源： | 125mA |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 16-DIP |
| 包裝： | 管件 |
CS4121
http://onsemi.com
9
R3
R4
R2
C3
C1
D2
R1
D1
GND
COSINE
SINE
C4
CCP
RT
+
Speedo Input
Battery
Air Core
Gauge
200
W
CP+
CP
SQOUT
F/VOUT
VREG
GND
SINE+
SINE
BIAS
FREQIN
GND
COS+
COS
VCC
1
Speedometer
CS4121
Trim Resistor
± 20 PPM/°C
243 k
W
0.1
mF
1.0 A
600 PIV
Figure 9. Speedometer or Tachometer Application
3.9,
500 mW
10 k
W
3.0 k
W
1.0 k
W
0.0033
mF
0.47
mF
0.1
mF
50 V,
500 mW
Zener
± 30 PPM/°C
Notes:
1. For 58% Speed Input TMAX ≤ 5.0/fMAX where
TMAX = CCP (R3 + R4)
fMAX = maximum speed input frequency
2. The product of C4 and RT have a direct effect on gain and therefore directly affect temperature compensation.
3. CCP Range; 20 pF to 0.2 mF.
4. RT Range; 100 kW to 500 kW.
5. The Ic must be protected from transients above 60 V and reverse battery conditions.
6. Additional filtering on FREQIN lead may be required.
7. Gauge coil connections to the IC must be kept as short as possible (
≤ 3.0 inch) for best pointer stability.
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