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參數(shù)資料
| 型號： | LSP2908 |
| 英文描述： | 8-Channel, High-Voltage Driver |
| 中文描述： | 8通道，高電壓驅(qū)動 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 160K |
| 代理商： | LSP2908 |
Advance Data Sheet
September 2001
LSP2908
8-Channel, High-Voltage Driver
Features
I
Eight amplifier channels in one package
I
Outputs from –298 V to +160 V per channel
I
Programmable output current limit (100
μ
A to
500
μ
A)
I
Variable voltage gain set by external resistors
Applications
I
Optical crosspoint switches
I
Optical microelectromechanical systems (MEMS)
components
Description
The LSP2908 eight-channel, high-voltage (HV) driver
is targeted for microoptomechanical systems. Each
device contains eight high-voltage amplifiers with an
output voltage range of –298 V to +160 V on the
condition that |V
HP
– V
HN
|
≤
300 V. Voltage gain is
set by external resistors. Each amplifier can output
up to 500
μ
A, ideal for deflection and control of
optical MEMS mirrors. Output current limit is
programmed by an external resistor. Additionally,
careful attention is paid to minimizing offset drift over
temperature.
The LSP2908 requires one negative high-voltage
power supply (V
HN
) and one positive low-voltage
power supply (V
LP
). For positive output voltage appli-
cations, one positive high-voltage power supply
(V
HP
) is required. Corresponding to the eight chan-
nels are the eight inverting input pins, –INx
(x = 1, 2, . . . , 8), and the corresponding eight output
pins, OUTPUTx (x = 1, 2, . . . , 8). Figure 1 is the
internal functional block diagram.
+IN is the noninverting input for all eight amplifiers.
All the amplifiers share the same noninverting input.
+IN should be connected to GND. The I
BIAS
pin will
set the current limit ((100 μA to 500 μA) ± 20%) for
the amplifiers by connecting it to an external resistor
R
ib
. The LSP2908 is available in a leaded surface-
mount 44-pin MQFP package.
1682.b(F)
Figure 1. LSP2908 Internal Block Diagram
–IN8
+IN
OUTPUT 8
–IN1
+
–
OUTPUT 1
+
–
LSP2908
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LSP2916 | 制造商:AGERE 制造商全稱:AGERE 功能描述:LSP2916 16-Channel, High-Voltage Driver |
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| LSP2B | 功能描述:限位開關(guān) Limit SW/Double Pole Plug-in RoHS:否 制造商:Honeywell 觸點(diǎn)形式:SPDT 執(zhí)行器:Non-Contact 電流額定值:30 mA 電壓額定值 AC: 電壓額定值 DC:3.6 V 工作力:10 g IP 等級:IP 67 NEMA 額定值:1, 4, 12, 13 端接類型:4-Pin M12 Connector 安裝:SMD/SMT |
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