MAX2027 데이터 시트보기 (PDF) - Maxim Integrated

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MAX2027

IF Digitally Controlled Variable-Gain Amplifier

Maxim Integrated 

19-2601; Rev 1; 2/04

IF Digitally Controlled Variable-Gain Amplifier

General Description

The MAX2027 high-performance, digitally controlled

variable-gain amplifier is designed for use from 50MHz

to 400MHz.

The device integrates a digitally controlled attenuator

and a high-linearity IF amplifier in one package.

Targeted for IF signal chains to adjust gain either

dynamically or as a one-time channel gain setting, the

MAX2027 is ideal for applications requiring high perfor-

mance. The attenuator provides 23dB of attenuation

range with ±0.05dB state-to-state accuracy.

The MAX2027 is available in a thermally enhanced 20-

pin TSSOP-EP package and operates over the -40°C to

+85°C temperature range.

Cellular Base Stations

Receiver Gain Control

Transmitter Gain Control

Broadband Systems

Automatic Test Equipment

Terrestrial Links

Applications

Features

♦ 50MHz to 400MHz Frequency Range

♦ Variable Gain: -8dB to +15dB

♦ Output IP3: 35dBm (at All Gain Settings)

♦ Noise Figure: 4.7dB at Maximum Gain

♦ Digitally Controlled Gain with 1dB Resolution and

±0.05dB State-to-State Accuracy

Ordering Information

PART

MAX2027EUP-T

*EP = exposed pad.

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

20 TSSOP-EP*

Pin Configuration/

Functional Diagram

VCC 1

VCC 2

RF_IN 3

GND 4

GND 5

B4 6

B3 7

B2 8

B1 9

B0 10

MAX2027

20 GND

19 GND

18 ATTNOUT

17 GND

16 GND

ATTENUATION

LOGIC

CONTROL

15 AMPIN

AMP 14 IBIAS

BIAS

13 ISET

12 RF_OUT

11 VCC

________________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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