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产品型号HMC624ALP4ETR的概述

芯片HMC624ALP4ETR的概述 HMC624ALP4ETR是一款由Hittite公司（现为Analog Devices的一部分）设计和制造的高性能双向射频开关。这款芯片旨在支持多种射频应用，成为信号处理领域中的关键组成部分。HMC624ALP4ETR广泛用于无线通信、导航、测试与测量设备等领域，帮助工程师实现高效的信号开关功能。这款芯片的设计目标是提供低插入损耗和高隔离度，确保信号的质量和系统的稳定性。同时，其宽频带性能和高线性度也使其成为现代通信系统中一种理想的选择。HMC624ALP4ETR能够在多种频率下稳定工作，适应动态变化的网络环境，并满足不同应用的需求。芯片HMC624ALP4ETR的详细参数 HMC624ALP4ETR的主要技术参数如下： 1. 频率范围：DC至3000 MHz 2. 插入损耗：通常为0.3 dB 3. 隔离度：通常为30 dB 4. 线性度（I...

产品型号HMC624ALP4ETR的Datasheet PDF文件预览

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHz

Typical Applications

The HMC624ALP4E is ideal for:

• Cellular/3G Infrastructure

• WiBro / WiMAX / 4G

Features

0.5 dB LSB Steps to 31.5 dB

Power-Up State Selection

High Input IP3: +55 dBm

Low Insertion Loss: 2.2 dB @ 3.5 GHz

• Microwave Radio & VSAT

• Test Equipment and Sensors

• IF & RF Applications

TTL/CMOS Compatible, Serial, Parallel

or Latched Parallel Control

0.25 dB Typical Step Error

Single +3V or +5V Supply

24 Lead 4x4mm SMT Package: 16mm²

Functional Diagram

General Description

The HMC624ALP4E is a broadband 6-bit GaAs IC

Digital Attenuator in a low cost leadless SMT package.

This versatile digital attenuator incorporates off-chip

AC ground capacitors for near DC operation, making

it suitable for a wide variety of RF and IF applications.

The dual mode control interface is CMOS/TTL

compatible, and accepts either a three wire serial

input or a 6 bit parallel word. The HMC624ALP4E also

features a user selectable power up state and a serial

output port for cascading other Hittite serial controlled

components. The HMC624ALP4E is housed in a

RoHS compliant 4x4 mm QFN leadless package, and

requires no external matching components.

Electrical Speciﬁcations,

T_A= +25° C, 50 Ohm System, with Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)

Parameter

Frequency (GHz)

Min.

Typ.

Max.

Units

DC - 3 GHz

3.0 - 6.0 GHz

1.5

2.3

2.4

3.8

Insertion Loss

Attenuation Range

31.5

Return Loss (ATTIN, ATTOUT, All Atten. States)

DC - 6 GHz

Attenuation Accuracy: (Referenced to Insertion Loss)

All Attenuation States

DC - 0.8 GHz

0.8 - 6.0 GHz

(0.10 + 5% of Atten. Setting) Max.

(0.30 + 3% of Atten. Setting) Max.

Input Power for 0.1 dB Compression

DC - 6 GHz

dBm

Input Third Order Intercept Point

(Two-Tone Input Power = 10 dBm Each Tone)

Switching Speed

tRise, tFall (10 / 90% RF)

rON , tOFF (50% LE to 10 / 90% RF)

DC - 6 GHz

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Normaliꢀed Attenuation^[1]

(Only Major States are Shown)

Insertion Loss vs. Temperature^[1]

-1

-2

-3

-4

-5

-10

-15

-20

-25

-30

-35

FREQUENCY (GHz)

0.5 dB

2 dB

4 dB

8 dB

16 dB

31.5 dB

+25 C

+85 C

-40 C

1 dB

Input Return Loss^[1]

(Only Major States are Shown)

Output Return Loss^[1]

(Only Major States are Shown)

-5

-10

-15

-20

-25

-30

-35

-40

-10

-15

-20

-25

-30

-35

-40

FREQUENCY (GHz)

0.5 dB

1 dB

2 dB

4 dB

8 dB

16 dB

31.5 dB

0.5 dB

1 dB

2 dB

4 dB

8 dB

16 dB

31.5 dB

Bit Error vs. Frequency^[1]

(Only Major States are Shown)

Bit Error vs. Attenuation State^[1]

0.8

0.6

0.4

0.2

1.5

31.5 dB

0.5

-0.2

-0.4

-0.6

-0.8

-1

-0.5

-1

-1.5

-2

ATTENUATION STATE (dB)

FREQUENCY (GHz)

100 MHz

500 MHz

2 GHz

3 GHz

4 GHz

1 GHz

[1] Data taken with bias tees on input and output RF ports. Vdd = +5V & Vctl = 0/+5V.

[2] Data taken with bias tees on input and output RF ports. Vdd = +3V & Vctl = 0/+3V.

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Worst Case Step Error

IP3 @ Major Attenuation States^[1]

Between Successive Attenuation States^[1]

0.8

0.6

0.4

0.2

-0.2

-0.4

-0.6

-0.8

-1

FREQUENCY (GHz)

.5dB

1dB

2dB

4dB

8dB

16dB

31.5dB

16dB

8dB

4dB

2dB

1dB

.5dB

P0.1dB vs. Temperature, Min. Attn State^[1]

IP3 vs. Temperature, Min. Attn State^[1]

FREQUENCY (GHz)

+25 C

+85 C

-40 C

+25 C

+85 C

-40 C

P0.1dB vs. Temperature, Min. Attn State^[1]

(Low Frequency Detail)

IP3 vs. Temperature, Min. Attn State^[1]

(Low Frequency Detail)

0.1

0.2

0.3

0.4

0.5

0.1

0.2

0.3

0.4

0.5

FREQUENCY (GHz)

+25 C

+85 C

-40 C

+25 C

+85 C

-40 C

[1] Data taken with bias tees on input and output RF ports. Vdd = +5V & Vctl = 0/+5V.

[2] Data taken with bias tees on input and output RF ports. Vdd = +3V & Vctl = 0/+3V.

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

P0.1dB vs. Temperature, Min. Attn State^[2]

IP3 vs. Temperature, Min. Attn State^[2]

FREQUENCY (GHz)

+25 C

+85 C

-40 C

+25 C

+85 C

-40 C

P0.1dB vs. Temperature, Min. Attn State^[2]

IP3 vs. Temperature, Min. Attn State^[2]

(Low Frequency Detail)

0.1

0.2

0.3

0.4

0.5

0.1

0.2

0.3

0.4

0.5

FREQUENCY (GHz)

+25 C

+85 C

-40 C

+25 C

+85 C

-40 C

Serial Control Interface

The HMC624ALP4E contains a 3-wire SPI compatible digital interface (SERIN, CLK, LE). The serial control interface

is activated when P/S is kept high. The 6-bit serial word must be loaded MSB ﬁrst. The positive-edge sensitive CLK

and LE requires clean transitions. If mechanical switches are used, sufficient debouncing should be provided. When

LE is high, 6-bit data in the serial input register is transferred to the attenuator. When LE is high CLK is masked to

prevent data transition during output loading.

When P/S is low, 3-wire SPI interface inputs (SERIN, CLK, LE) are disabled and the input register is loaded with

parallel digital inputs (D0-D5). When LE is high, 6-bit parallel data changes the state of the part per truth table.

For all modes of operations, the state will stay constant while LE is kept low.

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Timing Diagram (Latched Parallel Mode)

Parameter

Min. ^[1]

70 ns

15 ns

Typ. ^[1]

20 ns

Min. serial period, t_SCK

Control set-up time, t_CS

Control hold-time, t_CH

LE setup-time, t_LN

15 ns

Min. LE pulse width, t_LEW

Min LE pulse spacing, t_LES

Serial clock hold-time from LE, t_CKN

Hold Time, t_PH.

10 ns

630 ns

10 ns

0 ns

Latch Enable Minimum Width, t_LEN

Setup Time, t_PS

10 ns

2 ns

Parallel Mode

(Direct Parallel Mode & Latched Parallel Mode)

Note: The parallel mode is enabled when P/S is set to low.

Direct Parallel Mode - The attenuation state is changed by the control voltage inputs D0-D5 directly. The LE (Latch

Enable) must be at a logic high at all times to control the attenuator in this manner.

Latched Parallel Mode - The attenuation state is selected using the control voltage inputs D0-D5 and set while the

LE is in the Low state. The attenuator will not change state while LE is Low. Once all Control Voltage Inputs are at the

desired states the LE is pulsed. See timing diagram above for reference.

Power-Up States

PUP Truth Table

If LE is set to logic LOW at power-up, the logic state of

PUP1 and PUP2 determines the power-up state of the

part per PUP truth table. If the LE is set to logic HIGH

at power-up, the logic state of D0-D5 determines the

power-up state of the part per truth table. The attenu-

ator latches in the desired power-up state approxi-

mately 200 ms after power-up.

PUP1

PUP2

Relative Attenuation

-31.5

-24

-16

Insertion Loss

0 to -31.5 dB

Note: The logic state of D0 - D5 determines the power-

up state per truth table shown below when LE is high

at power-up.

Power-On Sequence

The ideal power-up sequence is: GND, Vdd, digital

inputs, RF inputs. The relative order of the digital

inputs are not important as long as they are powered

after Vdd / GND

Truth Table

Control Voltage Input

Reference

Insertion

Loss

Bias Voltage

High

Low

High

Low

High

Low

High

Low

High

Low

High

Low

0 dB

-0.5 dB

-1 dB

Vdd (V)

Idd (Typ.) (mA)

2.4

2.6

High

Low

High

Low

-2 dB

High

Low

-4 dB

Control Voltage Table

High

Low

-8 dB

State

Vdd = +3V

Vdd = +5V

High

Low

-16 dB

-31.5 dB

Low

0 to 0.5V @ 15 µA

2 to 3V @ 45 µA

0 to 0.8V @ 15 µA

2 to 5V @ 65 µA

Low

High

Any combination of the above states will provide an attenuation

equal to the sum of the bits selected.

[1] Vdd = 5V

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Absolute Maximum Ratings

RF Input Power (DC - 6 GHz)

28 dBm (T = +85 °C)

ELECTROSTATIC SENSITIVE DEVICE

OBSERVE HANDLING PRECAUTIONS

Digital Inputs (P/S, CLK, SERIN,

LE, PUP1, PUP2, D0-D5)

-1 to Vdd +1V

Bias Voltage (Vdd)

5.6 V

Channel Temperature

150 °C

Continuous Pdiss (T = 85 °C)

(derate 9.8 mW/°C above 85 °C) ^[1]

0.56 W

Thermal Resistance

Storage Temperature

Operating Temperature

ESD Sensitivity (HBM)

116 °C/W

-65 to +150 °C

-40 to +85 °C

Class 1A

Outline Drawing

NOTES:

1. LEADFRAME MATERIAL: COPPER ALLOY

2. DIMENSIONS ARE IN INCHES [MILLIMETERS]

3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.

4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.

PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.

5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.

6. ALL GROUND LEADS AND GROUND PADDLE MUST BE

SOLDERED TO PCB RF GROUND.

7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED

LAND PATTERN.

Package Information

Part Number

Package Body Material

Lead Finish

MSL Rating

MSL1 ^[2]

Package Marking ^[1]

H624A

XXXX

HMC624ALP4E

RoHS-compliant Low Stress Injection Molded Plastic

100% matte Sn

[1] 4-Digit lot number XXXX

[2] Max peak reﬂow temperature of 260 °C

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Pin Descriptions

Pin Number

Function

P/S

Description

Interface Schematic

CLK

SERIN

See truth table, control voltage

table and timing diagram.

These pins and package bottom

must be connected to RF/DC ground.

5, 14

6, 13

GND

These pins are DC coupled and matched to 50 Ohms.

Blocking capacitors are required. Select value based

on lowest frequency of operation.

ATTIN,

ATTOUT

External capacitors to ground is required. Select value for

lowest frequency of operation. Place capacitor as close to

pins as possible.

7 - 12

ACG1 - ACG6

SEROUT

Serial input data delayed by 6 clock cycles.

16, 17

PUP2, PUP1

See truth table, control voltage

table and timing diagram.

19 - 24

D5, D4, D3,

D2, D1, D0

Vdd

Supply voltage

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Application Circuit

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4E

v00.0912

0.5 dB LSB GaAs MMIC 6-BIT

DIGITAL ATTENUATOR, DC - 6 GHꢀ

Evaluation PCB

List of Materials for Evaluation PCB

117212 - HMC624ALP4 ^[1]

The circuit board used in the application should

use RF circuit design techniques. Signal lines

should have 50 Ohm impedance while the package

ground leads and exposed paddle should be con-

nected directly to the ground plane similar to that

shown. A sufficient number of via holes should be

used to connect the top and bottom ground planes.

The evaluation circuit board shown is available from

Hittite upon request.

Item

Description

J1, J2

PCB Mount SMA Connector

18 Pin DC Connector

J8, J11

C1, C6

C7, C8

R1 - R14

SW1, SW2

DC Pin

330 pF Capacitor, 0402 Pkg.

1000 pF Capacitor, 0402 Pkg.

100 kOhm Resistor, 0402 Pkg.

SPDT 4 Position DIP Switch

HMC624ALP4E Digital Attenuator

117210 Evaluation PCB

[2]

PCB

[1] Reference this number when ordering complete evaluation PCB

[2] Circuit Board Material: Arlon 25FR

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC624ALP4ETR相关文章

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HMC624ALP4ETR产品参数

型号:	HMC624ALP4ETR
是否Rohs认证：	符合
生命周期：	Transferred
Reach Compliance Code：	unknown
风险等级：	8.48
安装特点：	SURFACE MOUNT
端子数量：	24
最高工作温度：	85 °C
最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY
封装等效代码：	LCC24,.16SQ,20
电源：	5 V
子类别：	RF/Microwave Attenuators
表面贴装：	YES
技术：	GAAS
Base Number Matches：	1

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产品型号HMC624ALP4ETR的概述

产品型号HMC624ALP4ETR的Datasheet PDF文件预览

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