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MAX19997A
Dual, SiGe High-Linearity, High-Gain, 1800MHz to 2900MHz Downconversion Mixer with LO Buffer/Switch
Lowest Noise, Highest Linearity 1800MHz to 2900MHz Dual, SiGe Mixer for WCS, LTE, WiMAX, WCDMA, and MMDS Base Stations, Featuring Superior IIP3, NF and 2 x 2 Spurious Performance
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Status
Active: In Production.
Description
The MAX19997A dual downconversion mixer is a versatile, highly integrated diversity downconverter that provides high linearity and low noise figure for a multitude of 1800MHz to 2900MHz base-station applications. The MAX19997A fully supports both low- and high-side LO injection architectures for the 2300MHz to 2900MHz WiMAX™, LTE, WCS, and MMDS bands, providing 8.7dB gain, +24dBm input IP3, and 10.3dB NF in the low-side configuration, and 8.7dB gain, +24dBm input IP3, and 10.4dB NF in the high-side configuration. High-side LO injection architectures can be further extended down to 1800MHz with the addition of one tuning element (a shunt inductor) on each RF port.
The device integrates baluns in the RF and LO ports, an LO buffer, two double-balanced mixers, and a pair of differential IF output amplifiers. The MAX19997A requires a typical LO drive of 0dBm and a supply current guaranteed below 420mA to achieve the targeted linearity performance.
The MAX19997A is available in a compact 6mm x 6mm, 36-pin thin QFN lead-free package with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
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Data Sheet
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Key Features
- 1800MHz to 2900MHz RF Frequency Range
- 1950MHz to 3400MHz LO Frequency Range
- 50MHz to 550MHz IF Frequency Range
- Supports Both Low-Side and High-Side LO Injection
- 8.7dB Conversion Gain
- +24dBm Input IP3
- 10.3dB Noise Figure
- +11.3dBm Input 1dB Compression Point
- 70dBc Typical 2 x 2 Spurious Rejection at PRF = -10dBm
- Dual Channels Ideal for Diversity Receiver Applications
- Integrated LO Buffer
- Integrated LO and RF Baluns for Single-Ended Inputs
- Low -3dBm to +3dBm LO Drive
- Pin Compatible with the MAX19999 3000MHz to 4000MHz Mixer
- Pin Similar to the MAX9995/MAX9995A and MAX19995/MAX19995A 1700MHz to 2200MHz Mixers and the MAX9985/MAX9985A and MAX19985/MAX19985A 700MHz to 1000MHz Mixers
- 42dB Channel-to-Channel Isolation
- Single +5.0V or +3.3V Supply
- External Current-Setting Resistors Provide Option for Operating Device in Reduced-Power/Reduced-Performance Mode
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Applications/Uses
- 2.3GHz WCS Base Stations
- 2.5GHz WiMAX and LTE Base Stations
- 2.7GHz MMDS Base Stations
- Fixed Broadband Wireless Access
- Military Systems
- PCS1900 and EDGE Base Stations
- PHS/PAS Base Stations
- Private Mobile Radios
- UMTS/WCDMA and cdma2000® 3G Base Stations
- Wireless Local Loop
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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) |
3.3V Supply Current
(mA) |
5V Supply Current
(mA) |
Footprint
(mm x mm) |
Package/Pins |
Budgetary Price |
| min |
max |
min |
max |
min |
max |
See Notes |
| MAX19997A |
2 |
1800 |
2900 |
1950 |
3400 |
50 |
500 |
8.7 |
24 |
10.3 |
70 |
3.0 to 5.25 |
279 |
388 |
6.0 x 6.0 |
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$9.98 @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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| MAX19997AETX+
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Active |
TQFN;36 pin;37.2 mm²
Outline Drawing:21-0141 (PDF)
Land Pattern: 90-0049 (PDF)
Use pkgcode/variation: T3666+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX19997AETX+T
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Active |
TQFN;36 pin;37.2 mm²
Outline Drawing:21-0141 (PDF)
Land Pattern: 90-0049 (PDF)
Use pkgcode/variation: T3666+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX19997AEVKIT
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Active |
KIT;
Land Pattern: Not Available
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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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Notes and Comments
For Maxim's complete Wireless Infrastructure portfolio, visit www.maxim-ic.com/bts.
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More Information
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Information Index
Document Ref.: 19-4288
Rev 3;
2011-08-10
This page last modified: 2011-08-10
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