RF2488 データシートの表示（PDF） - RF Micro Devices
部品番号
コンポーネント説明
メーカー
RF2488 Datasheet PDF : 22 Pages
| |||
Preliminary
8
RF2488
MULTI-MODE DUAL-BAND LNA MIXER
Typical Applications
• TDMA/EDGE Handsets
• TDMA IS-136 Handsets
• GAIT Handsets
• TDMA/GSM Dual-Band Handsets
• GSM/DCS/EDGE Handsets
Product Description
1.00
4.00
.80
0.85
sq.
.65
The RF2488 is a dual-band LNA/Mixer designed to sup-
port dual-band, multi-mode handset applications. The
.60
.24
typ
.45
.20
4 PLCS
unique dual IF outputs provide interface to two indepen-
dent IF SAW filters supporting applications that combine
IS136 with GSM, DCS or EDGE air interfaces. The device
2.25
1.95
sq.
includes four mixers, providing the ability to use two inde-
pendent IF bandwidths accessible from either the low or
high band LNAs. Each LNA has a gain bypass mode con-
12°
.55
trolled by the GAIN SEL pin. An image reject filter is
required between each LNA and its mixer. Power man-
max
.05
.01
.30
.40
2 .28
.50
.23
.13
4 PLCS
8
NOTES:
agement is implemented based on a three-pin logic level
1 Shaded Pin is Lead 1.
interface. Power consumption is minimized by shutting
2 Dimension applies to plated terminal: to be measured between 0.02 mm
and 0.25 mm from terminal end.
3 Pin 1 identifier must exist on top surface of package by identification
down all but the active sections of the device.
mark or feature on the package body. Exact shape and size is optional.
4 Package Warpage: 0.05 mm max.
5 Die Thickness Allowable: 0.305 mm max.
Optimum Technology Matching® Applied
Si BJT
Si Bi-CMOS
GaAs HBT
üSiGe HBT
GaAs MESFET
Si CMOS
24 23 22 21 20 19
Low
LNA GND
1
18 BAND SEL
GAIN SEL 2
17 IF1+
Low
LNA IN
3
16 IF1-
High
LNA IN
4
15 MXR VCC
High
LNA GND
5
14 IF2+
High
LNA VCC
6
13 IF2-
7 8 9 10 11 12
Package Style: LCC, 24-Pin, 4x4
Features
• Complete Dual-Band Front-End
• Switchable LNA Gain
• Low Noise and High Intercept Point
• Low Current Consumption
• Single 2.7V to 3.3V Power Supply
• Supports Dual IF Bandwidths
Ordering Information
RF2488
Multi-Mode Dual-Band LNA Mixer
RF2488 PCBA Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A0 010905
8-123
Share Link: 