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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9994 Datasheet

1700MHz to 2200MHz Downconversion Mixer

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MAX9994 pdf
19-3435; Rev 0; 10/04
EVAALVUAAILTAIOBNLEKIT
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SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
General Description
The MAX9994 high-linearity downconversion mixer pro-
vides 8.3dB gain, +26.2dBm IIP3, and 9.7dB NF for
1700MHz to 2200MHz UMTS/WCDMA, DCS, and PCS
base-station receiver applications. With a 1400MHz to
2000MHz LO frequency range, this particular mixer is
ideal for low-side LO injection receiver architectures.
High-side LO injection is supported by the MAX9996*,
which is pin-for-pin and functionally compatible with the
MAX9994.
In addition to offering excellent linearity and noise per-
formance, the MAX9994 also yields a high level of com-
ponent integration. This device includes a double-
balanced passive mixer core, an IF amplifier, a dual-
input LO selectable switch, and an LO buffer. On-chip
baluns are also integrated to allow for single-ended RF
and LO inputs. The MAX9994 requires a nominal LO
drive of 0dBm, and supply current is guaranteed to be
below 235mA.
The MAX9994/MAX9996 are pin compatible with the
MAX9984/MAX9986 815MHz to 995MHz mixers, mak-
ing this entire family of downconverters ideal for appli-
cations where a common PC board layout is used for
both frequency bands. The MAX9994 is also functional-
ly compatible with the MAX9993.
The MAX9994 is available in a compact, 20-pin, thin
QFN package (5mm x 5mm) with an exposed paddle.
Electrical performance is guaranteed over the extended
-40°C to +85°C temperature range.
Applications
UMTS/WCDMA Base Stations
DCS1800/PCS1900 EDGE Base Stations
cdmaOne™ and cdma2000® Base Stations
PHS/PAS Base Stations
Predistortion Receivers
Fixed Broadband Wireless Access
Wireless Local Loop
Private Mobile Radios
Military Systems
Microwave Links
Digital and Spread-Spectrum Communication
Systems
cdma2000 is a registered trademark of Telecommunications
Industry Association.
cdmaOne is a trademark of CDMA Development Group.
*Future product—contact factory for availability.
Features
o 1700MHz to 2200MHz RF Frequency Range
o 1400MHz to 2000MHz LO Frequency Range
(MAX9994)
o 1900MHz to 2400MHz LO Frequency Range
(MAX9996)
o 40MHz to 350MHz IF Frequency Range
o 8.3dB Conversion Gain
o +26.2dBm Input IP3
o +12.6dBm Input 1dB Compression Point
o 9.7dB Noise Figure
o 67dBc 2RF - 2LO Spurious Rejection at
PRF = -10dBm
o Integrated LO Buffer
o Integrated RF and LO Baluns for Single-Ended
Inputs
o Low -3dBm to +3dBm LO Drive
o Built-In SPDT LO Switch with 45dB LO1 to LO2
Isolation and 50ns Switching Time
o Pin Compatible with MAX9984/MAX9986 815MHz
to 995MHz Mixers
o Functionally Compatible with MAX9993
o External Current-Setting Resistors Provide Option
for Operating Mixer in Reduced Power/Reduced
Performance Mode
o Lead-Free Package Available
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
PKG
CODE
MAX9994ETP
20 Thin QFN-EP**
-40°C to +85°C 5mm × 5mm
T2055-3
bulk
MAX9994ETP-T
20 Thin QFN-EP**
-40°C to +85°C 5mm × 5mm
T2055-3
T/R
20 Thin QFN-EP**
MAX9994ETP+D -40°C to +85°C 5mm × 5mm
T2055-3
lead-free bulk
20 Thin QFN-EP**
MAX9994ETP+TD -40°C to +85°C 5mm × 5mm
T2055-3
lead-free T/R
**EP = Exposed paddle.
+ = Lead free. D = Dry pack.
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.
________________________________________________________________ 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.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9994 Datasheet

1700MHz to 2200MHz Downconversion Mixer

No Preview Available !

MAX9994 pdf
www.DataSheet4U.com
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...........................................................-0.3V to +5.5V
IF+, IF-, LOBIAS, LOSEL, IFBIAS to GND...-0.3V to (VCC + 0.3V)
TAP ........................................................................-0.3V to +1.4V
LO1, LO2, LEXT to GND........................................-0.3V to +0.3V
RF, LO1, LO2 Input Power .............................................+12dBm
RF (RF is DC shorted to GND through a balun) .................50mA
Continuous Power Dissipation (TA = +70°C)
20-Pin Thin QFN-EP (derate 20mW/°C above +70°C)..............1.8W
θJA .................................................................................+38°C/W
θJC ...................................................................................+8°C/W
Operating Temperature Range (Note A) ....TC = -40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering 10s) ..................................+300°C
Note A: TC is the temperature on the exposed paddle of the package.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(MAX9994 Typical Application Circuit, VCC = +4.75V to +5.25V, no RF signal applied, IF+ and IF- outputs pulled up to VCC through
inductive chokes, R1 = 806, R2 = 549, TC = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +5V, TC =
+25°C, unless otherwise noted.)
PARAMETER
Supply Voltage
Supply Current
LO_SEL Input-Logic Low
LO_SEL Input-Logic High
SYMBOL
VCC
ICC
VIL
VIH
CONDITIONS
MIN
4.75
2
TYP
5.00
206
MAX
5.25
235
0.8
UNITS
V
mA
V
V
AC ELECTRICAL CHARACTERISTICS
(MAX9994 Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50sources, PLO = -3dBm to
+3dBm, PRF = -5dBm, fRF = 1700MHz to 2200MHz, fLO = 1400MHz to 2000MHz, fIF = 200MHz, fRF > fLO, TC = -40°C to +85°C,
unless otherwise noted. Typical values are at VCC = +5V, PRF = -5dBm, PLO = 0dBm, fRF = 1900MHz, fLO = 1700MHz, fIF = 200MHz,
TC = +25°C, unless otherwise noted.) (Notes 1, 2)
PARAMETER
RF Frequency Range
LO Frequency Range
IF Frequency Range
Conversion Gain
Gain Variation Over Temperature
Input Compression Point
Input Third-Order Intercept Point
(Note 4)
Input IP3 Variation Over
Temperature
SYMBOL
fRF
fLO
fIF
GC
P1dB
(Note 3)
(Note 3)
MAX9996
CONDITIONS
PRF < +2dBm, TA = +25°C (Note 4)
TC = -40°C to +85°C
(Note 5)
Two tones:
IIP3
fRF1 = 2000MHz, fRF2 = 2001MHz,
PRF = -5dBm/tone, fLO = 1800MHz,
PLO = 0dBm, TA = +25°C
TC = -40°C to +85°C
MIN
1700
1400
1900
40
7.2
TYP
8.3
±0.75
12.6
MAX
2200
2000
2400
350
9.2
UNITS
MHz
MHz
MHz
dB
dB
dBm
23.5 26.2
dBm
±0.5 dB
2 _______________________________________________________________________________________


Part Number MAX9994
Description 1700MHz to 2200MHz Downconversion Mixer
Manufacturer Maxim Integrated Products
Total Page 12 Pages
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