ZABG6002 데이터 시트보기 (PDF) - Diodes Incorporated.

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ZABG6002

LOW POWER 6 STAGE FET LNA AND MIXER BIAS CONTROLLER

Diodes Incorporated. 

ZABG6002

General Operation

In both modes the RCAL 1 and RCAL 2 pins can also be used as logic inputs. If set to a logic high state (>3.0V), the associated FET bias stages

programmed for LNA use (2V drains) are disabled by driving gate pins to -2,5V and switching drain pins open-circuit. This feature can be used

as part of a power management system that turns off any unwanted stages in a multi input receiver.

The ZABG6002 includes a switched capacitor DC-DC converter that is used to generate the negative supply required to bias depletion mode

FETs used in common source circuit configuration as shown above. This converter uses two external capacitors, CNB the charge transfer

capacitor and CSUB the output reservoir capacitor. The circuit provides a regulated -2.5V supply both for gate driver use and for external use if

required (for extra discrete bias stages, mixer bias, local oscillator bias etc.). The -2.5V supply is available from the CSUB pin.

If any bias stages are not required, their gate and drain pins may be left open circuit. If all bias stages associated with an RCAL resistor are not

required, then this resistor may be omitted.

It must be noted that the exposed pad of the QFN package must be either left floating or connected to Csub.

Ordering Information

Device

ZABG6002JB20TC

ZABG6002Q20TC

Package

QFN2044

QSOP20

Reel Size (inches)

13

13

Tape Width (mm)

12

16

Quantity per Reel

3000

2500

Marking Information

QFN2044

QSOP20

Pin 1

Part Name

Date Code

Year/Week

ZABG

6002

YYWW

Part Name

Date Code

Pin 1

ZABG6002

YYWW

ZABG6002

Document number: DS32078 Rev. 2 - 3

9 of 12

www.diodes.com

January 2019

© Diodes Incorporated

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