AT1511 [AIMTRON]

FET BIAS CONTROLLER AND TONE DETECTION; FET偏置控制器和音检测


型号：	AT1511
厂家：	AIMTRON TECHNOLOGY
描述：	FET BIAS CONTROLLER AND TONE DETECTION FET偏置控制器和音检测控制器
文件：	总9页 (文件大小：276K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Features

Description

The AT1511 includes bias circuits to drive up to

three external FETs. A control input to the

device selects either one of two FETs as

•Provides bias for GaAs and HEMT FETs

•Drives up to three FETs

•Dynamic FET protection

operational

using

gate

switching

•Drain current set by external resistor

•Regulated negative rail generator requires

only 2 external capacitors

methodology, the third FET is permanently

active. This feature is particularly used as an

LNB polarisation switch. Also specific to LNB

applications is the enhanced 22kHz tone

detection and logic output feature which is used

•Choice in drain voltage

•Wide supply voltage range

•Polarisation switch for LNBs - supporting

zero volt gate switching

to enable high and low band frequency switching.

The detector has been specifically designed to

reject inerference such as low frequency signals

and DiSEqC^TMtone bursts - without the use of

additional external components.

topology.

•22kHz tone detection for band switching

•Compliant with ASTRA control specifications

•SSOP surface mount package

Drain current setting of the AT1511 is user

selectable over the range 0 to 15mA, this is

achieved with the addition of a single resistor.

The series also offers the choice of FET drain

voltage, the AT1511 gives 2 volts.

Applications

˙Satellite receiver LNBs

˙Private mobile radio (PMR)

˙Cellular telephones

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.

In order 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. 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 AT1511 are available in SSOP20 for the

minimum in device size. Device operating

temperature is -40 to 70°C to suit a wide range

of environmental conditions.

Aimtron reserves the right without notice to change this circuitry and specifications.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Block Diagram

(a) Drain Voltage & Current Controller

(b)Polarisation Switch

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

(c)Tone Detection

Pin Descriptions

Pin No.

Pin name

Function

1st Gate output voltage Pin

1st Drain output voltage Pin

2nd Gate output voltage Pin

2nd Drain output voltage Pin

3rd Gate output voltage Pin

3rd Drain output voltage Pin

Ground Pin

GND

Positive OSC output Pin

Negative OSC output Pin

No connect Pin

N.C.

VOUT

Negative voltage output Pin

Error Amplifier output Pin

Error Amplifier inverted output Pin

Error Amplifier input Pin

Filter input Pin

No connect Pin

Filter output Pin

Polarisation switch controller Pin

Drain Current set Resistor connect Pin

Supply voltage Pin

LOV

FOUT

N.C.

FIN

VPOL

ICTL

VCC

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Pin Configuration

Ordering Information

Part number

Package

Marking

AT1511R

AT1511R_GRE

SSOP20

SSOP20,Green

AT1511R

AT1511R, date code with one bottom line

Absolute maximum ratings (Ta = 25^oC)

Parameter

Power supply voltage

Supply Current

Symbol

V_CC

I_CC

Limits

-0.6~12

100

unit

Input Voltage

V_POL

V_D

T_opr

T_stg

Drain Current

0~15

Operating temperature

Storage temperature

Power dissipation

-40~+70

-50~+85

500

^oC

P_d

Recommended operating conditions (Ta = 25^oC)

Parameter

Symbol

V_CC

Limits

5~10

unit

Power supply voltage

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Electrical characteristics

(Unless otherwise stated, Ta=25°C, V_CC=5V, I_D=10mA, R_CTL=33kΩ)

Parameter

Supply Voltage

Symbol Min.

Typ. Max. Unit

Conditions

V_CC

mA I_D1to I_D3=0

I_D1=0,I_D2to I_D3=10mA,

_POL=14V

Supply Current

I_CC

I_D2=0,I_D1to I_D3=10mA,

V_POL=15.5V

-3.0

-2.5

-2.4

0.02

0.005

800

I_D1to I_D3=0, I_LB=10mA

mA I_D1to I_D3=0, I_HB=10mA

-3.5

I_OUT= 0

_OUT= -200µA

NegativeVoltage

V_OUT

Drain Output Noise Voltage

Gate Output Noise Voltage

Oscillator Freq.

E_ND

E_NG

V_PPC_G=4.7nF, C_D=10nF

kHz

350

200

DRAIN

Drain Current

I_D

∆I_DV

∆I_DT

V_D1

V_D2

V_D3

∆V_DV

∆V_DT

I_L1

0.5

0.05

2.0

0.5

Drain Current Charge with V_CC

%/V V_CC=5 to 10V

Drain Current Charge with T_j

%/℃

T_j=-40 to +70°C

1.8

2.2

I_D1=10mA, V_POL=15.5V

I_D2=10mA, V_POL=14V

I_D3=10mA

Drain Voltage

Drain Voltage Charge with V_CC

Drain Voltage Charge with T_j

%/V V_CC=5 to 12V

ppm T_j=-40 to +70°C

µA

V_D1=0.5V, V_POL=14V

V_D2=0.5V, V_POL=15.5V

Leakage Current

I_L2

GATE

Gate Output Current Range

I_GO

-30

2000

0.05

µA

V_G10-0.05

I_D1=0, V_POL=14V, I_GO1=0

I_D1=12mA, V_POL=15.5V,

I_GO1=-10µA

V_G1L

-3.5

-2.9

-2.0

Gate1 Output Voltage

I_D1=8mA, V_POL=15.5V,

I_GO1=0

V_G1H

0.4

0.75

1.0

0.05

-2.0

V_G20-0.05

I_D2=0, V_POL=15.5V, I_GO2=0

I_D2=12mA, V_POL=14V, I_GO2=-

10µA

Gate2 Output Voltage

Gate3 Output Voltage

V_G2L

-3.5

-2.9

V_G2H

V_G3L

V_G3H

0.4

-3.5

0.4

0.75

-2.9

0.75

1.0

-2.0

1.0

I_D2=8mA, V_POL=14V, I_GO2=0

I_D3=12mA, I_GO3=-10µA

I_D3=8mA, I_GO3=0

TONE DETECTION

Input Bias Current

Output Voltage

Output Current

Voltage Gain

Rejection Frequency

LOV Volt. Range

LOV Bias Current

I_B

V_OUT

I_OUT

G_V

f_R

V_LOV

I_LOV

0.02

1.75

400

0.07

1.95

520

7.5

0.15

-2.75

0.25

2.05

650

µA R_F1=150kΩ

µA

R_F1=150kΩ

V_OUT=1.96V, V_FIN=2.1V

dB f=22kHz,V_IN=1mV

kHz V_(AC)in=1V p/p sq.w

1.0

V_CC-1.8

1.0

-0.5

0.02

-3.5

-0.01

µA

I_L=50mA(LB or HB)

V_LOV=0

_LOV=0, I_L=-10µA, Enabled

V_LOV=3V, I_L=0, Enabled

-2.5

0.01

LB Output Low

V_LBL

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

-0.025

2.9

3.0

-2.75

0.025

3.1

-2.5

0.01

0.025

3.1

V_LOV=0, I_L=10mA, Disabled

V_LOV=3V,I_L=50mA,Disabled

LB Output High

HB Output Low

V_LBH

V_HBL

V_HBH

-3.5

_LOV=0, I_L=-10µA,Disabled

-0.01

-0.025

2.9

V_LOV=3V, I_L=0, Disabled

V_LOV=0, I_L=10mA, Enabled

V_LOV=3V, I_L=50mA,Enabled

HB Output High

POLARITY SWITCH

Input Current

3.0

_POL=25V(Applied via

_POL=10kΩ)

_POL=25V(Applied via

_POL=10kΩ)

_POL=25V(Applied via

R_POL=10kΩ)

I_POL

µA

Threshold Voltage

Switching Speed

V_TPOL

T_SPOL

14.75 15.5

-- 100

Test Circuit

(a) L_OVConnected to ground

(b) L_OVConnected to V_OSC

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Application Circuit

Application Information

(a) L_OVConnected to ground

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

(b) L_OVConnected to V_OSC

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511

Preliminary product Information

FET BIAS CONTROLLER AND TONE DETECTION

Package Outlines : 20-pin SSOP

MILLIMETERS

INCHES

TYP

SYMBOL

MIN

TYP

MAX

MIN

MAX

1.47

0.10

1.37

0.23

0.19

8.53

5.79

3.81

0.38

1.60

1.73

0.25

1.52

0.36

0.25

8.74

6.20

3.99

1.27

0.058

0.004

0.054

0.009

0.0075

0.336

0.228

0.150

0.015

0.063

0.068

0.010

0.060

0.014

0.0098

0.344

0.244

0.157

0.050

1.45

0.25

0.20

8.64

5.99

3.91

0.71

0.64

0.057

0.010

0.008

0.340

0.236

0.154

0.028

0.025

0°

0.076

8°

0°

0.003

8°

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT1511 [AIMTRON]

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