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MAX2585 데이터시트 PDF




Maxim Integrated Products에서 제조한 전자 부품 MAX2585은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MAX2585 자료 제공

부품번호 MAX2585 기능
기능 Evaluation Kit
제조업체 Maxim Integrated Products
로고 Maxim Integrated Products 로고


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MAX2585 데이터시트, 핀배열, 회로
19-0773; Rev 0; 3/07
www.DataSheet4U.com
MAX2585 Evaluation Kit
General Description
The MAX2585 evaluation kit (EV kit) simplifies evaluation
of the MAX2585 RF-to-baseband receiver IC. The EV kit
enables testing of the device’s RF performance and
requires no additional support circuitry. The EV kit’s sig-
nal inputs and outputs use SMA and BNC connectors
for easy connection to RF test equipment.
Features
Easy Evaluation of the MAX2585
On-Board +2.85V Regulators Allow Operation
from +5V and -5V Supplies
On-Board Op Amps Convert Differential I/Q
Baseband Signals into Single-Ended Signals
Jumpers for Supply Pins, Digital Power Control,
and Shutdown
All Critical Peripheral Components Included
Ordering Information
PART
TEMP RANGE
MAX2585EVKIT -40°C to +85°C
*EP = Exposed paddle.
PIN-
PACKAGE
48 fcLGA-EP*
PKG
CODE
L4877F-1
DESIGNATION QTY
DESCRIPTION
C1, C3, C6, C7,
C8, C10, C15,
C25, C27, C31,
C34, C35, C36,
C39, C43, C47,
C48, C54, C55,
C56, C58, C59,
C60, C65–C68,
C69, C71, C87,
C88, C99,
C114–C120
0 Not installed, capacitors
C2, C4
C5, C32
C9, C16
C11
C12, C86, C123
C13
2
6800pF ±10% capacitors (0402)
Murata GRM155R71E682K
2
1.5pF ±0.1pF capacitors (0402)
Murata GRM1555C1H1R5B
2
0.033µF ±10% capacitors (0402)
Murata GRM155R71A333K
1
6800pF ±5% capacitor (0805)
Murata GRM2165C1H682J
3
0.01µF ±10% capacitors (0402)
Murata GRM155R71C103K
1
0.033µF ±10% capacitor (0603)
Murata GRM188R71E333K
MAX2585 Component List
DESIGNATION
C14, C24, C26,
C29, C51, C61,
C62, C63, C64,
C98, C100, C101,
C124
QTY
DESCRIPTION
13
100pF ±5% capacitors (0402)
Murata GRM1555C1H101J
C17, C94
1000pF ±10% capacitors (0402)
2 Murata GRM155R71H102K
C18, C90, C91
3
10µF ±10% capacitors (0805)
Murata GRM21BR60J106K
C22
C28
C30, C79, C82
C33, C95
1
470pF ±10% capacitor (0402)
Murata GRM155R71H471K
1 0.047µF ±10% capacitor (0402)
Murata GRM155R71C473K
3
10µF ±10% capacitors (1206)
Murata GRM31CR60J106K
2
1.0µF ±10% capacitors (0805)
Murata GRM40X7R105K010
C37, C38, C40,
C41, C42, C44,
C45, C46
8
0.1µF ±10% capacitors (0402)
Murata RM155R61A104K
C49
1
22pF ±5% capacitor (0402)
Murata GRM1555C1H220J
C50
1
0.033µF ±5% capacitor (1206)
Murata GRM3195C1H333J
________________________________________________________________ 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.




MAX2585 pdf, 반도체, 판매, 대치품
MAX2585www.DataSheet4U.com Evaluation Kit
14) Connect Q_OUT (J5) or I_OUT (J4) to the spectrum
analyzer. Set the spectrum analyzer to span from
1kHz to 640kHz. Set the resolution bandwidth to
3kHz and the reference level to 0dBm.
15) Observe the 100kHz output tone on the spectrum
analyzer display. Adjust the VGC voltage to obtain
an output power level of -28.5dBm.
16) To evaluate the MAX2585 in PCS CDMA mode,
enter the typical PCS band CDMA register settings
as shown in Table 1 and repeat the steps above
with the signal source frequency set to 1960.1MHz
and power level set to -104dBm. Connect the signal
source to PLNA_IN (J2) for PCS band operation.
Layout Considerations
The MAX2585 EV kit can serve as a guide for board layout.
Keep PC board trace lengths as short as possible to
minimize parasitics. Also, keep decoupling capacitors
as close to the IC as possible with a direct connection
to the ground plane.
PCB Construction
The MAX2585 EV kit PCB uses a 10-mil-wide trace for
50Ω transmission line. The PCB has a 6-mil-layer profile
on FR4 with a dielectric constant of 4.5.
INTF2300 SPI Interface Board
The INTF2300 interface board is used to interface
3-wire SPI™ protocol from a PC’s parallel port to the EV
kit. This board translates 5V logic from the PC to VCC of
the EV kit. The INTF2300 also provides buffering and
EMI filtering. Its absolute maximum supply voltage is
4.6V, limited by the breakdown of the buffer IC. The
recommended operating supply voltage range is +2.7V
to +3.6V. The INTF2300 gets its power-supply voltage
from the MAX2585 board if the shunt on the INTF2300
board is installed in the VCC position.
SPI is a trademark of Motorola, Inc.
Table 1. Register Conditions Table
MODE
PCS Band CDMA
Cellular Band CDMA
REG 8:
BIAS
0AAAF
0AAAF
REG 9:
DCCAL
62000
62000
REG A:
NDIV
09920
15824
REGISTER SETTINGS
REG B:
REG C:
PLLCONF OPCTRL
REG D:
RESERVED1
28160
A8320
16EDD
16EDE
00304
00304
REG E:
RESERVED2
55C00
55C00
REG F:
TEST
13830
13830
4 _______________________________________________________________________________________

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MAX2585 전자부품, 판매, 대치품
www.DataSheet4U.com
MAX2585 Evaluation Kit
DB25M
GND VCC
12 3
JU1
1
2
1
TO
PC PARALLEL
PORT
11 12
20
19
INTF2300
20
MAX2585EVKIT 2
1
1
VCCOUT
GND
12 11
20 19
20
Figure 2. INTF2300 Schematic
_______________________________________________________________________________________ 7

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