Datasheet > LSP2916A

LSP2916A

更新时间： 2024-10-17 22:30:59

品牌	Logo	应用领域
杰尔 - AGERE		驱动器
页数	文件大小	规格书
10页	197K
描述
LSP2916 16-Channel, High-Voltage Driver

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LSP2916A 数据手册

Preliminary Data Sheet

July 2001

LSP2916 16-Channel, High-Voltage Driver

The LSP2916 requires one negative high-voltage

power supply (VHN) and one positive 5 V analog

power supply (VLP). Corresponding to the 16

channels, there are 16 negative input voltage pins,

–INx (x = 1, 2, . . . , 16), and the corresponding 16

output pins, OUTPUTx (x = 1, 2, . . . , 16).

Features

^I16 amplifier channels available in one package.

^IOutputs from 0 V to –298 V per channel.

^IProgrammable output current limit (50 µA to

300 µA).

+IN is the noninverting input for all 16 amplifiers,

which means all the amplifiers share the same

noninverting input. +IN should be connected to GND

for typical applications. IBIAS pin will set the current

limit for the amplifiers by connecting it to an external

resistor. The LSP2916 is available in a leaded

surface-mount 64-pin MQFP package.

^IFixed gain set by internal resistors. (The fixed gain

for version A is –32 V/V, and –66 V/V for version

B.)

^IMinimal external components.

Applications

Block Diagram

^IOptical crosspoint switches.

^IOptical microelectromechanical systems (MEMS)

components.

LSP2916

Description

RIN

–IN1

–

This LSP2916 16-channel, high-voltage (HV) driver

is targeted for microoptomechanical systems. Each

device contains 16 high-voltage amplifiers with an

output voltage range of 0 V to –298 V. Internal gain-

setting resistors provide a fixed gain of –32 V/V,

thereby minimizing external component count. Each

amplifier can output up to 300 µA, ideal for deflection

and control of optical MEMS mirrors. Output current

limit is programmed by an external resistor.

OUTPUT 1

Additionally, careful attention was paid to minimizing

offset drift and gain variation over temperature. The

internal block diagram is shown in Figure 1. There

are two versions, version A (LSP2916A) and version

B (LSP2916B). For version A, RF = 8 MΩ and

RIN = 250 kΩ; and for version B, RF = 8.25 MΩ and

RIN = 125 kΩ. So LSP2916A has the fixed gain of

–32 V/V and LSP2916B has the fixed gain of

–66 V/V.

–IN16

+IN

–

OUTPUT 16

1682(F)

Figure 1. LSP2916 Internal Functional Block

Diagram

12 3 4 5 6 7...10

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