Overview
The MAX2321EUP+T is a high-performance, adjustable, high-linearity SiGe dual-band Low Noise Amplifier (LNA)/Mixer IC produced by Analog Devices Inc./Maxim Integrated. This component is designed for use in various wireless communication systems, including cellular phones and wireless local loop (WLL) applications. It features dual VCO inputs, dual IF outputs, and separately controlled VCO buffers, making it versatile for different frequency bands and operational modes.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | +2.7 | +3.6 | V | ||
| Operating Supply Current (ICC) | Low-gain, high-linearity modes | 15 | 21.5 | mA | |
| LO Buffer Supply Current (ILOBUF) | 5 | 7.5 | mA | ||
| Digital Input Current Low (IIL) | -35 | 0.1 | µA | ||
| Digital Input Current High (IIH) | 0.1 | 5 | µA | ||
| Temperature Range | -40°C | +85°C | °C | ||
| Package Type | 20-pin TSSOP-EP |
Key Features
- Ultra-high linearity at ultra-low current and noise
- Operation from +2.7V to +3.6V
- Pin-selectable low-gain mode reduces gain by 17dB and current by 3mA
- Pin-selectable paging mode reduces current draw by 6mA when transmitter is not in use
- LO output buffers and LO frequency doubler (MAX2321)
- Dual VCO inputs and dual IF outputs
- Separately controlled VCO buffers
Applications
- CDMA/TDMA/PDC/WCDMA/GSM cellular phones
- Single/Dual/Triple-Mode Phones
- Wireless Local Loop (WLL)
Q & A
- What is the operating voltage range of the MAX2321EUP+T?
The MAX2321EUP+T operates from +2.7V to +3.6V.
- What is the typical operating supply current for the low-gain, high-linearity modes?
The typical operating supply current for the low-gain, high-linearity modes is between 15mA and 21.5mA.
- What is the temperature range for the MAX2321EUP+T?
The temperature range is from -40°C to +85°C.
- What package type does the MAX2321EUP+T come in?
The MAX2321EUP+T comes in a 20-pin TSSOP-EP package.
- What are the key features of the MAX2321EUP+T?
The key features include ultra-high linearity, pin-selectable low-gain and paging modes, LO output buffers, and dual VCO inputs and IF outputs.
- What are some common applications for the MAX2321EUP+T?
Common applications include CDMA/TDMA/PDC/WCDMA/GSM cellular phones, single/dual/triple-mode phones, and wireless local loop (WLL) systems.
- How does the pin-selectable low-gain mode affect the device?
The pin-selectable low-gain mode reduces the gain by 17dB and the current by 3mA.
- What is the purpose of the LO output buffers?
The LO output buffers are used to provide stable and amplified local oscillator signals.
- Can the MAX2321EUP+T be used in paging mode?
- Is the MAX2321EUP+T still in production?
No, the MAX2321EUP+T is listed as obsolete and is no longer manufactured.
