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MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
Lowest Noise, Highest Linearity, 1400MHz to 2200MHz SiGe Downconversion Mixer for 2.5G, 3G, and 4G Base Stations
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Status
Active: In Production.
Description
The MAX9994 high-linearity downconversion mixer provides 8.3dB gain, +26.2dBm IIP3, and 9.7dB NF for 1400MHz to 2200MHz UMTS/WCDMA, DCS, and PCS base-station receiver applications. With a wide LO range of 1400MHz to 2000MHz, the MAX9994 can be used in either high-side or low-side LO injection architectures, depending on the RF band of interest. Higher LO applications are supported by the MAX9996, which is pin-pin and functionally compatible with the MAX9994.
In addition to offering excellent linearity and noise performance, the MAX9994 also yields a high level of component 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, making this entire family of downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX9994 is also functionally compatible with the MAX9993.
The MAX9994 is available in a compact, 20-pin, thin QFN package (5mm x 5mm) with an exposed pad. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.
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Data Sheet
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An evaluation kit is available: MAX9994EVKIT
Key Features
- 1400MHz to 2200MHz RF Frequency Range
- 1400MHz to 2000MHz LO Frequency Range (MAX9994)
- 1900MHz to 2400MHz LO Frequency Range (MAX9996)
- 40MHz to 350MHz IF Frequency Range
- 8.3dB Conversion Gain
- +26.2dBm Input IP3
- +12.6dBm Input 1dB Compression Point
- 9.7dB Noise Figure
- 67dBc 2RF - 2LO Spurious Rejection at PRF = -10dBm
- Integrated LO Buffer
- Integrated RF and LO Baluns for Single-Ended Inputs
- Low -3dBm to +3dBm LO Drive
- Built-In SPDT LO Switch with 45dB LO1 to LO2 Isolation and 50ns Switching Time
- Pin Compatible with the MAX9984/MAX9986 815MHz to 995MHz Mixers
- Functionally Compatible with the MAX9993
- External Current-Setting Resistors Provide Option for Operating Mixer in Reduced Power/Reduced Performance Mode
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Applications/Uses
- cdmaOne™ and cdma2000® Base Stations
- DCS1800/PCS1900 EDGE Base Stations
- Digital and Spread-Spectrum Communication Systems
- Fixed Broadband Wireless Access
- Microwave Links
- Military Systems
- PHS/PAS Base Stations
- Predistortion Receivers
- Private Mobile Radios (PMRs)
- TD-SCDMA/TD-LTE Base Stations
- UMTS/LTE Base Stations
- Wireless Local Loop (WLL)
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Key Specifications:
| Downconverter Mixers |
| Part Number |
Channels |
RF Freq.
(MHz) |
RF Freq.
(MHz) |
LO Freq.
(MHz) |
LO Freq.
(MHz) |
IF Freq.
(MHz) |
IF Freq.
(MHz) |
Gain
(dB) |
Input IP3
(dBm) |
Noise Figure
(dB) |
2RF-2LO/ 2LO-2RF
(dBc) |
VCC
(V) |
5V Supply Current
(mA) |
Footprint
(mm x mm) |
Package/Pins |
Budgetary Price |
| min |
max |
min |
max |
min |
max |
See Notes |
| MAX9994 |
1 |
1400 |
2200 |
1400 |
2000 |
40 |
350 |
8.3 |
26.2 |
9.7 |
67 |
4.75 to 5.25 |
206 |
5.0 x 5.0 |
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$6.91 @1k |
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See All Downconverter Mixers (44)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
 Typical Application Circuit
Application Notes
Product Guides
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX9994ETP
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Active |
TQFN;20 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0008 (PDF)
Use pkgcode/variation: T2055-3*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX9994ETP+
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Active |
TQFN;20 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0008 (PDF)
Use pkgcode/variation: T2055+3*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9994ETP+T
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Active |
TQFN;20 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0008 (PDF)
Use pkgcode/variation: T2055+3*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9994ETP-T
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Active |
QFN;20 pin
Land Pattern: Not Available
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-40°C to +85°C
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See data sheet
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Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Similar Products by Function
| MAX9987, MAX9988 |
+14dBm to +20dBm LO Buffers/Splitters with ±1dB Variation |
| MAX9989, MAX9990 |
+14dBm to +20dBm LO Buffers with ±1dB Variation |
| MAX9982 |
825MHz to 915MHz, SiGe High-Linearity Active Mixer |
| MAX9981 |
825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer |
| MAX9993 |
High-Linearity 1700MHz to 2200MHz Down-Conversion Mixer with LO Buffer/Switch |
| MAX9995 |
Dual, SiGe, High-Linearity, 1700MHz to 2700MHz Downconversion Mixer with LO Buffer/Switch |
| MAX2039 |
High-Linearity, 1700MHz to 2200MHz Upconversion/Downconversion Mixer with LO Buffer/Switch |
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Information Index
Document Ref.: 19-3435
Rev 1;
2011-01-19
This page last modified: 2011-01-19
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