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MAX2370
Complete 450MHz Quadrature Transmitter
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Status
Active: In Production.
Description
The MAX2370 integrated quadrature transmitter is designed for 450MHz applications. The device takes a differential I/Q baseband input and converts it up to intermediate frequency (IF) through a quadrature modulator and IF variable-gain amplifier (VGA). The signal is then routed to an external IF filter and upconverted to RF through an image-reject mixer and RF VGA. The signal is further amplified with an on-chip power amplifier (PA) driver. An IF synthesizer, an RF synthesizer, a local oscillator buffer, and an SPI™/QSPI™/MICROWIRE™-compatible, 3-wire programmable bus complete the basic functional blocks of this IC.
The MAX2370 is available in a 48-pin TQFN package with exposed paddle and is specified for the extended temperature range (-40°C to +85°C).
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Data Sheet
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An evaluation kit is available: MAX2370EVKIT
Key Features
- 450MHz Operating Frequency
- +8dBm Output Power
- -64dBc Typical ACPR at ±885kHz Offset
- -66dBc Typical ACPR at ±1.125MHz Offset
- 100dB Power-Control Range
- Dual Synthesizer for RF and IF Local Oscillators
- SPI/QSPI/MICROWIRE-Compatible 3-Wire Interface Bus
- Single-Sideband Upconverter
- Directly Drives External Power Amplifier
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Applications/Uses
- 450MHz CDMA/WCDMA Phones
- OFDM, cdma2000®, WCDMA, NMT
- Wireless Data Links
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Key Specifications:
| Cellular RF Transmitters |
| Part Number |
Applications |
Band/ Freq.
(MHz) |
Features |
Footprint
(mm x mm) |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| MAX2370 |
450 MHz CDMA / WCDMA |
450 |
| +8dBm Linear Output Power | | 100dB Power Control |
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7.0 x 7.0 |
50.4 |
$4.01 @1k |
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See All Cellular RF Transmitters (1)
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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
Pin Configuration/Functional Diagram
Application Notes
Reliability Reports
| Show FIT data for: |
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| Request Reliability Report for: |
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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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| MAX2370ETM
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Active |
TQFN;48 pin;50.4 mm²
Outline Drawing:21-0144 (PDF)
Land Pattern: 90-0129 (PDF)
Use pkgcode/variation: T4877-3*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX2370ETM+
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Active |
TQFN;48 pin;50.4 mm²
Outline Drawing:21-0144 (PDF)
Land Pattern: 90-0129 (PDF)
Use pkgcode/variation: T4877+3*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX2370ETM+T
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Active |
TQFN;48 pin;50.4 mm²
Outline Drawing:21-0144 (PDF)
Land Pattern: 90-0129 (PDF)
Use pkgcode/variation: T4877+3*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX2370ETM-T
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Active |
QFN;48 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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Information Index
Document Ref.: 19-0222
Rev 0;
2005-08-09
This page last modified: 2009-08-11
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