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參數(shù)資料
| 型號： | AD598JRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LVDT SGNL COND OSC/REF 20SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 信號調(diào)節(jié)器 |
| 輸入類型： | 電壓 |
| 輸出類型： | 電壓 |
| 接口： | LVDT |
| 電流 - 電源： | 15mA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 791 (CN2011-ZH PDF) |
AD598
REV. A
–9–
Figure 15. Gain and Phase Characteristics vs. Frequency
(0 kHz–10 kHz)
1000
100
10
1
0.1
0.01
0.1
1
10
C2, C3, C4; C2 = C3 = C4 –
F
RIPPLE
–
mV
rms
2.5kHz, C
SHUNT = 0nF
2.5kHz, C
SHUNT = 1nF
2.5kHz, C
SHUNT =10nF
Figure 16. Output Voltage Ripple vs. Filter Capacitance
1000
100
10
1
0.1
0.001
0.01
0.1
110
C2, C3, C4; C2 = C3 = C4 –
F
RIPPLE
–
mV
rms
10kHz , C SHUNT = 0nF
10kHz , C SHUNT = 1nF
10kHz , C SHUNT = 10nF
Figure 17. Output Voltage Ripple vs. Filter Capacitance
Determining LVDT Sensitivity
LVDT sensitivity can be determined by measuring the LVDT
secondary voltages as a function of primary drive and core posi-
tion, and performing a simple computation.
Energize the LVDT at its recommended primary drive level,
VPRI
VA = VB. Set the core displacement to its mechanical full-scale
position and measure secondary voltages VA and VB.
Sensitivity
=
VA(at Full Scale )– VB (at Full Scale )
VPRI × d
From Figure 18,
Sensitivity
=
1.71 – 0.99
3
× 100 mils =
2.4 mV/V/mil
d = –100 mils
d = 0
A
V
VB
1.71V rms
0.99V rms
100 mils
+
d =
VSEC WHEN VPRI = 3V rms
Figure 18. LVDT Secondary Voltage vs. Core Displacement
Thermal Shutdown and Loading Considerations
The AD598 is protected by a thermal overload circuit. If the die
temperature reaches 165
°C, the sine wave excitation amplitude
gradually reduces, thereby lowering the internal power dissipa-
tion and temperature.
Due to the ratiometric operation of the decoder circuit, only
small errors result from the reduction of the excitation ampli-
tude. Under these conditions the signal-processing section of
the AD598 continues to meet its output specifications.
The thermal load depends upon the voltage and current deliv-
ered to the load as well as the power supply potentials. An
LVDT Primary will present an inductive load to the sine wave
excitation. The phase angle between the excitation voltage and
current must also be considered, further complicating thermal
calculations.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD598JRZ | 制造商:Analog Devices 功能描述:Signal Conditioner IC |
| AD598SD/883B | 制造商:Analog Devices 功能描述:LVDT Signal Conditioner 20-Pin SBCDIP 制造商:Analog Devices 功能描述:LVDT IC - Rail/Tube 制造商:Analog Devices 功能描述:MIL LVDT SIG COND 20-CDIP 制造商:Analog Devices 功能描述:IC SIGNAL CONDITIONER 制造商:Analog Devices Inc. 功能描述:Interface - Specialized IC LVDT Signal Conditioner |
| AD598SD/883B-MOOG | 制造商:Analog Devices 功能描述: |
| AD5T | 制造商:Opto 22 功能描述:I/O Module; 5 VDC @ 170 mA; 0 to degC; UL, CSA, CE Certified 制造商:Opto 22 功能描述:I/O MODULE 制造商:Opto 22 功能描述:I/O MODULE; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; No. of Analog Inputs:1; No. of Digital Outputs:1; No. of Outputs:1; Resolution:12 Bits; Signal Input Type:J Thermocouple ;RoHS Compliant: No 制造商:Opto 22 功能描述:Access Module Analog J Thermocouple Input Isolated Ad5T |
| AD6 | 功能描述:保險絲 6A 415V AC / 250V DC RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485 |
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