Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
Lowest Noise, Highest Linearity 1700MHz to 2200MHz Dual, SiGe Mixer for DCS/PCS, CDMA, WCDMA, and LTE Base Stations, Featuring Superior IIP3, NF, and 2LO-2RF Performance
The MAX19995A dual-channel downconverter is designed to provide 8.7dB of conversion gain, +24.8dBm input IP3, +13.5dBm 1dB input compression point, and a noise figure of 9.2dB for 1700MHz to 2200MHz diversity receiver applications. With an optimized LO frequency range of 1750MHz to 2700MHz, this mixer is ideal for high-side LO injection architectures. Low-side LO injection is supported by the MAX19995, which is pin-pin and functionally compatible with the MAX19995A.
In addition to offering excellent linearity and noise performance, the MAX19995A also yields a high level of component integration. This device includes two double-balanced passive mixer cores, two LO buffers, a dual-input
LO selectable switch, and a pair of differential IF output amplifiers. Integrated on-chip baluns allow for single-ended RF and LO inputs. The MAX19995A requires a nominal LO drive of 0dBm and a typical supply current of 350mA at VCC = 5.0V, or 242mA at VCC = 3.3V.
The MAX19995/MAX19995A are pin compatible with the MAX19985/MAX19985A series of 700MHz to 1000MHz mixers and pin similar to the MAX19997A/MAX19999 series of 1800MHz to 4000MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used across multiple frequency bands.
The MAX19995A is available in a 6mm x 6mm, 36-pin thin QFN package with an exposed pad. Electrical performance is guaranteed over the extended temperature range (TC = -40°C to +85°C).
Key Features
Applications/Uses
1700MHz to 2200MHz RF Frequency Range
1750MHz to 2700MHz LO Frequency Range
50MHz to 500MHz IF Frequency Range
8.7dB Typical Conversion Gain
9.2dB Typical Noise Figure
+24.8dBm Typical Input IP3
+13.5dBm Typical Input 1dB Compression Point
64dBc Typical 2LO-2RF Spurious Rejection at
PRF = -10dBm
Dual Channels Ideal for Diversity Receiver
Applications
48dB Typical Channel-to-Channel Isolation
Low -3dBm to +3dBm LO Drive
Integrated LO Buffer
Internal RF and LO Baluns for Single-Ended
Inputs
Built-In SPDT LO Switch with 48dB LO-to-LO
Isolation and 50ns Switching Time
Pin Compatible with the MAX19985/MAX19985A/MAX19995 Series of 700MHz to 2200MHz Mixers
Pin Similar to the MAX19997A/MAX19999 Series
of 1800MHz to 4000MHz Mixers
Single 5.0V or 3.3V Supply
External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/Reduced-Performance Mode
* 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.
Devices:
1-4 of 4
MAX19995A
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Status
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX19995AEVKIT
Active
Land Pattern: Not Available
See data sheet
MAX19995AEVKIT#
Active
Land Pattern: Not Available
See data sheet
MAX19995AETX+T
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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