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参数资料
| 型号： | LTC5583IUF#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| 封装： | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-X, QFN-24 |
| 文件页数： | 18/28页 |
| 文件大小： | 1136K |
| 代理商： | LTC5583IUF#TRPBF |
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LTC5583
25
5583fa
APPLICATIONS INFORMATION
Difference Output: VODF
This voltage is equal to the difference of the two channels’
output voltages, plus a DC offset:
VODF = (VOA – VOB) + VOS
if INV voltage < 1V.
VODF = (VOB – VOA) + VOS
if INV voltage > 2V.
A simplified schematic of the VODF interface is shown in
Figure 14. The low 5Ω output impedance at this pin is due
to internal feedback circuitry.
A simplified schematic of the VOS pin interface is shown
in Figure 16. The output range of VODF is from 50mV to
VCC – 50mV; it cannot go below 50mV. If VOA – VOB is
negative (for INV = low), a positive offset voltage VOS is
needed. Similarly, if VOB – VOA is negative (for INV = high),
a positive offset voltage VOS is needed.
Figure 14. Simplified Schematic of the VODF Pin
Figure 15. Simplified Schematic of the INV Pin
Figure 16. Simplified Schematic of the VOS Pin
5583 F15
LTC5583
VCC
10k
INV
5583 F16
LTC5583
VCC
30k
VOS
* VOA IF INV = LOW
VOB IF INV = HIGH
*
5583 F14
LTC5583
15k
–
+
VCC
VODF
Supply Voltage Ramping
Fast ramping of the supply voltage can cause a current
glitch in the internal ESD protection circuits. Depending
on the supply inductance, this could result in a supply
voltage overshoot at initial turn-on that exceeds the maxi-
mum rating. A supply voltage ramp time of greater than
1ms is recommended. In case this voltage ramp time is
not controllable, a small (i.e. 1Ω) series resistor can be
inserted between VCC pin and the supply voltage source
to mitigate the problem and protect the IC. The R1 shown
in Figures 1 and 2 serves this purpose.
Figure 15 shows a simplified schematic of the INV pin
interface. INV determines the sign of the difference func-
tion at the VODF output.
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相关代理商/技术参数 |
参数描述 |
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| LTC5584 | 制造商:LINER 制造商全称:Linear Technology 功能描述:30MHz to 1.4GHz IQ Demodulator |
| LTC5584IUF#PBF | 功能描述:RF IQ DEMOD IIP2 DC OFFSET 24QFN RoHS:是 类别:RF/IF 和 RFID >> RF 解调器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:解调器 LO 频率:- RF 频率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音数据:6.36dB 电流 - 电源:41.5mA 电源电压:2.7 V 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-TQFN-EP（5x5） 包装:带卷 (TR) |
| LTC5584IUF#TRPBF | 功能描述:RF IQ DEMOD IIP2 DC OFFSET 24QFN RoHS:是 类别:RF/IF 和 RFID >> RF 解调器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:解调器 LO 频率:- RF 频率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音数据:6.36dB 电流 - 电源:41.5mA 电源电压:2.7 V 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-TQFN-EP（5x5） 包装:带卷 (TR) |
| LTC5585 | 制造商:LINER 制造商全称:Linear Technology 功能描述:300MHz to 4GHz Active Downconverting Mixer |
| LTC5585IUF#PBF | 功能描述:IC DEMOD WIDEBAND IQ 3GHZ 24 QFN RoHS:是 类别:RF/IF 和 RFID >> RF 解调器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:解调器 LO 频率:- RF 频率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音数据:6.36dB 电流 - 电源:41.5mA 电源电压:2.7 V 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-TQFN-EP（5x5） 包装:带卷 (TR) |
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