MAX2690EUB+T Maxim Integrated Products, MAX2690EUB+T Datasheet

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MAX2690EUB+T

Manufacturer Part Number
MAX2690EUB+T
Description
Up-Down Converters IC MIXER DOWN CONVERTER
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2690EVKIT.pdf (10 pages)

Specifications of MAX2690EUB+T

Maximum Input Frequency
2500 MHz
Maximum Power Dissipation
330 mW
Mounting Style
SMD/SMT
Maximum Operating Frequency
10 MHz
Maximum Power Gain
7.6 dB
Operating Supply Voltage
3.3 V, 5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Package / Case
uSOP-10
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX2690 is a miniature, low-noise, low-power
downconverter mixer designed for use in portable con-
sumer equipment. Signals at the RF input port are
mixed with signals at the local-oscillator (LO) port using
a double-balanced mixer. The RF port frequency range
is 400MHz to 2500MHz. The LO port frequency range is
700MHz to 2500MHz. The IF frequency range is 10MHz
to 500MHz, provided the LO and RF frequencies are
chosen appropriately.
The IF port is differential, which provides good linearity
and low LO emissions, as well as providing compatibili-
ty with applications using differential IF filters, such as
CDMA cellular phones. The mixer noise figure is 10dB
at 900MHz.
The MAX2690 draws 16mA at V
from a +2.7V to +5.5V supply. A logic-controlled shut-
down mode reduces the supply current to less than 1µA,
making it ideal for battery-operated equipment. This
device is offered in a miniature 10-pin µMAX package.
________________________Applications
19-1282; Rev 0; 10/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
__________________Pin Configuration
_______________General Description
TOP VIEW
2.45GHz Industrial-Scientific-Medical (ISM)
Band Radios
Wireless Local Area Networks (WLANs)
Personal Communications Systems (PCS)
Code-Division Multiple Access (CDMA)
Communications Systems
Cellular and Cordless Phones
Hand-Held Radios
RFBYP
LGND
RFIN
GND
V
CC
________________________________________________________________ Maxim Integrated Products
1
2
3
4
5
MAX2690
MAX
CC
10
9
8
7
6
= 3V and operates
SHDN
IFOUT+
IFOUT-
GNDLO
LO
____________________________Features
Typical Operating Circuit appears at end of data sheet.
________________Functional Diagram
______________Ordering Information
MAX2690EUB
7.6dBm Input Third-Order Intercept Point
10dB Downconverter Mixer Noise Figure
7.9dB Gain
400MHz to 2500MHz Wideband Operation
Low Cost
+2.7V to +5.5V Single-Supply Operation
<1µA Shutdown Mode
Ultra-Small 10-Pin µMAX Package
Downconverter Mixer
TOP VIEW
PART
Low-Noise, 2.5GHz
RFBYP
LGND
RFIN
GND
V
CC
1
TEMP. RANGE
-40°C to +85°C
2
3
4
5
MAX2690
MAX
BIAS
10
9
8
7
6
10 µMAX
PIN-PACKAGE
SHDN
IFOUT+
IFOUT-
GNDLO
LO
1

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MAX2690EUB+T Summary of contents

Page 1

... RFIN 3 RFBYP MAX ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. Downconverter Mixer ____________________________Features 7.6dBm Input Third-Order Intercept Point 10dB Downconverter Mixer Noise Figure 7.9dB Gain 400MHz to 2500MHz Wideband Operation Low Cost +2 ...

Page 2

Low-Noise, 2.5GHz Downconverter Mixer ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +6.0V CC RFIN Input Power..............................................................10dBm LO Input Power .................................................................10dBm SHDN Input Voltage ...................................-0. Continuous Power Dissipation 10-Pin µMAX (derate 4.1mW/°C above +70°C) ............330mW Stresses beyond those ...

Page 3

AC ELECTRICAL CHARACTERISTICS (continued) (MAX2690 EV kit +3.0V -3dBm noted below. Inductor connected from LGND to GND = 39nH for 900MHz operation, 27nH for 1.95GHz operation, and 6.8nH for 2.45GHz operation ...

Page 4

Low-Noise, 2.5GHz Downconverter Mixer __________________________________________Typical Operating Characteristics (MAX2690 EV kit +3.0V -3dBm otherwise noted.) SUPPLY CURRENT vs. SUPPLY VOLTAGE +25° -40° ...

Page 5

Operating Characteristics (continued) (MAX2690 EV kit +3.0V -3dBm otherwise noted.) IIP3 vs. RF FREQUENCY AND TEMPERATURE 9 1MHz ABOVE f 8.5 RF2 RF 8.0 7 +85°C A 7.0 ...

Page 6

Low-Noise, 2.5GHz Downconverter Mixer ________________________________________________Key Specification Statistics (MAX2690 EV kit +3.0V -3dBm erwise noted.) Histograms represent measured data from a 30-unit sample taken from one wafer lot. The Gaussian curve is calculat- ed ...

Page 7

Description PIN NAME Inductive Degeneration Pin. For maximum linearity, connect LGND directly to ground with no series induc- 1 LGND tance. Trade off linearity for gain by increasing the series inductance from LGND to ground. See the Applications Information ...

Page 8

Low-Noise, 2.5GHz Downconverter Mixer __________Applications Information Local-Oscillator (LO) Input The LO input is a single-ended broadband 50Ω input with a return loss of better than 10dB from 900MHz to 3GHz, improving at high frequency. For lower-frequency LO operation, a shunt ...

Page 9

Operating Circuit 1pF 3.3nH RF INPUT 1pF RF = 1.95GHz 1000pF V CC 1000pF 0.1pF _______________________________________________________________________________________ Low-Noise, 2.5GHz Downconverter Mixer 27nH 1 10 LGND SHDN 1000pF MAX2690 3 RFIN 0.5pF 4 9 RFBYP IFOUT+ 8 IFOUT ...

Page 10

Low-Noise, 2.5GHz Downconverter Mixer ________________________________________________________Package Information 10 ______________________________________________________________________________________ ...

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