Datasheet > UZNBG3116Q20

UZNBG3116Q20

更新时间： 2024-11-04 15:56:27

品牌	Logo	应用领域
美台 - DIODES		光电二极管
页数	文件大小	规格书
15页	622K
描述
Analog Circuit, 1 Func, PDSO20, MO-137AD, QSOP-20

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UZNBG3116Q20 技术参数

生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP,	针数：	20
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.1	Is Samacsys：	N
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PDSO-G20
JESD-609代码：	e3	长度：	8.65 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	20	最高工作温度：	80 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.75 mm
最大供电电压 (Vsup)：	10 V	最小供电电压 (Vsup)：	5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	OTHER	端子面层：	MATTE TIN
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9116 mm	Base Number Matches：	1

UZNBG3116Q20 数据手册

FET BIAS CONTROLLER WITH POLARISATION

SWITCH AND TONE DETECTION

ISSUE 2 - JUNE 2006

ZNBG3115

ZNBG3116

DEVICE DESCRIPTION

The ZNBG series of devices are designed to meet the

bias requirements of GaAs and HEMT FETs

commonly used in satellite receiver LNBs, PMR,

cellular telephones etc. with a minimum of external

components.

Drain current setting of the ZNBG3115/16 is user

selectable over the range 0 to 15mA, this is achieved

with addition of a single resistor. The series also offers

the choice of drain voltage to be set for the FETs, the

3115 gives 2.2 volts drain whilst the 3116 gives 2 volts.

With the addition of two capacitors and a resistor the

devices provide drain voltage and current control for

three external grounded source FETs, generating

the regulated negative rail required for FET gate

biasing whilst operating from a single supply. This

negative bias, at -2.8 volts, can also be used to

supply other external circuits.

These devices are unconditionally stable over the full

working temperature with the FETs in place, subject to

the inclusion of the recommended gate and drain

capacitors. These ensure RF stability and minimal

injected noise.

It is possible to use less than the devices full

complement of FET bias controls, unused drain and gate

connections can be left open circuit without affecting

operation of the remaining bias circuits.

The ZNBG3115/16 includes bias circuits to drive up

to three external FETs. A control input to the device

selects either one of two FETs as operational, the

third FET is permanently active. This feature is

normally used as an LNB polarisation switch. Also

specific to Universal LNB applications is the 22kHz

tone detection and logic output feature which is

used to enable high and low band frequency

switching.

To protect the external FETs the circuits have been

designed to ensure that, under any conditions including

power up/down transients, the gate drive from the bias

circuits cannot exceed the range -3.5V to 1V.

Additionally each stage has its own individual current

limiter. Furthermore if the negative rail experiences a

fault condition, such as overload or short circuit, the

drain supply to the FETs will shut down avoiding

excessive current flow.

The ZNBG3115/16 has been designed to cope with

DiSEqC™ ready set top boxes and rejects all

transients from channel switching.

The ZNBG3115/16 are available in QSOP16 and QSOP20

for the minimum in device size. Device operating

temperature is -40 to 80°C to suit a wide range of

environmental conditions.

FEATURES

APPLICATIONS

Provides bias for GaAs and HEMT FETs

Satellite receiver LNBs

•

Drives up to three FETs

Private mobile radio (PMR)

•

Dynamic FET protection

Cellular telephones

•

Drain current set by external resistor

•

Regulated negative rail generator requires only

2 external capacitors

•

Choice in drain voltage

•

Wide supply voltage range

•

Polarisation switch for LNBs

•

22kHz tone detection for band switching

•

Tone detector ignores unwanted signals

•

Support fr MIMIC, FET and Bipolar local

oscillator devices

•

Compliant with ASTRA control specifications

•

QSOP 16 and 20 surface mount packages

•

ISSUE 2 - JUNE 2006

12 3 4 5 6 7...15

中文翻译

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与UZNBG3116Q20相关器件

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UZNBG6000Q20	ZETEX	获取价格	Analog Circuit, 1 Func, PDSO20, QSOP-20
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