MAX2062
Dual 50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Analog/Digital VGA
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Industry's Only Fully Programmable, Multistate, Analog and Digital Dual VGA
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Features
- Independently Controlled Dual Paths
- 50MHz to 1000MHz RF Frequency Range
- Pin-Compatible Family Includes
- MAX2063 (Digital-Only VGA)
- MAX2064 (Analog-Only VGA)
- 19.4dB (typ) Maximum Gain
- 0.34dB Gain Flatness Over 100MHz Bandwidth
- 64dB Gain Range (33dB Analog Plus 31dB Digital)
- 56dB Path Isolation (at 200MHz)
- Built-In 8-Bit DACs for Analog Attenuation Control
- Supports Four Rapid-Fire Preprogrammed Attenuator States
- Quickly Access Any One of Four Customized Attenuator States
- Ideal for Fast-Attack, High-Level Blocker Protection
- Protects ADC Overdrive Condition
- Excellent Linearity (Configured with Amp Last at 200MHz)
- +41dBm OIP3
- +56dBm OIP2
- +19dBm Output 1dB Compression Point
- 7.3dB Typical Noise Figure (at 200MHz)
- Fast, 25ns Digital Switching
- Very Low Digital VGA Amplitude Overshoot/Undershoot
- Single +5V Supply (or +3.3V Operation)
- Amplifier Power-Down Mode for TDD Applications
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The MAX2062 high-linearity, dual analog/digital variable-gain amplifier (VGA) operates in the 50MHz to 1000MHz frequency range with two independent attenuators in each signal path. Each digital attenuator is controlled as a slave peripheral using either the SPI-compatible interface, or a 5-bit parallel bus with 31dB total adjustment range in 1dB steps. An added feature allows rapid-fire gain selection among each of the four steps, preprogrammed by the user through the SPI-compatible interface. A separate 2-pin control lets the user quickly access any one of four customized attenuation states without reprogramming the SPI bus. Each analog attenuator is controlled using an external voltage or through the SPI-compatible interface using an on-chip 8-bit DAC.
Since each of the stages has its own external RF input and RF output, this component can be configured to either optimize noise figure (NF) (amplifier configured first), OIP3 (amplifier last), or a compromise of NF and OIP3. The device’s performance features include 24dB amplifier gain (amplifier only), 7.3dB NF at maximum gain (includes attenuator insertion losses), and a high OIP3 level of +41dBm. Each of these features makes the device an ideal VGA for multipath receiver and transmitter applications.
In addition, the device operates from a single +5V supply with full performance or a +3.3V supply for an enhanced power-savings mode with lower performance. The device is available in a compact 48-pin TQFN package (7mm x 7mm) with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
Applications
- Fixed Broadband Wireless Access
- GSM/EDGE Base Stations
- IF and RF Gain Stages
- Temperature-Compensation Circuits
- WCDMA, TD-SCDMA, and cdma2000® Base Stations
- WiMAX®, LTE, and TD-LTE Base Stations and Customer-Premise Equipment
- Wireless Local Loop
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MAX2062
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Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
|---|---|---|---|---|
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Analog Control Variable Gain Amplifiers (VGAs)5 |
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PRODUCTION |
1300MHz to 2700MHz Variable-Gain Amplifier with Analog Gain Control |
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PRODUCTION |
800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control |
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PRODUCTION |
50MHz to 1000MHz High-Linearity, Serial/Analog-Controlled VGA |
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PRODUCTION |
50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Analog/Digital VGA |
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PRODUCTION |
50MHz to 1000MHz, High-Linearity, Serial/Analog-Controlled VGA |
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Digital Control VGAs5 |
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PRODUCTION |
IF Digitally Controlled Variable-Gain Amplifier |
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PRODUCTION |
Digitally Controlled, Variable-Gain, Differential ADC Driver/Amplifier |
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Obsolete |
1700MHz to 2200MHz, High-Linearity, SPI-Controlled DVGA with Integrated Loopback Mixer |
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PRODUCTION |
50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Digital VGA |
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PRODUCTION |
700MHz to 1200MHz High-Linearity, SPI-Controlled DVGA with Integrated Loopback Mixer |
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Product1 |
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Dual 50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Digital VGA |
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