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MAX4052ACSE from MAXIM,MAXIM - Dallas Semiconductor

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MAX4052ACSE

Manufacturer: MAXIM, MAX, MAXIN

Low-Voltage / CMOS Analog Multiplexers/Switches

Partnumber Manufacturer Quantity Availability
MAX4052ACSE MAXIM, MAX, MAXIN 157 In Stock

Description and Introduction

Low-Voltage / CMOS Analog Multiplexers/Switches The MAX4052ACSE is a dual, single-pole/double-throw (SPDT) analog switch manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Configuration:** Dual SPDT (2 channels)
- **Supply Voltage Range:** ±4.5V to ±20V (dual supply) or +4.5V to +20V (single supply)
- **On-Resistance (RON):** 100Ω (typical at ±15V supply)
- **On-Resistance Matching:** 4Ω (typical)
- **Charge Injection:** 10pC (typical)
- **Off-Leakage Current:** 0.1nA (typical at +25°C)
- **On-Leakage Current:** 0.1nA (typical at +25°C)
- **Bandwidth (-3dB):** 200MHz (typical)
- **Switching Time (tON/tOFF):** 150ns (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-pin narrow SOIC (SO-16)

### **Descriptions:**
- The MAX4052ACSE is a high-performance, low-voltage, CMOS analog switch designed for precision signal routing.
- It offers low on-resistance, fast switching, and minimal distortion, making it suitable for audio, video, and data acquisition applications.
- The device operates with both single and dual power supplies, providing flexibility in various circuit designs.

### **Features:**
- **Low On-Resistance:** 100Ω (typical) ensures minimal signal attenuation.
- **Wide Supply Range:** Supports ±4.5V to ±20V (dual) or +4.5V to +20V (single).
- **High Bandwidth:** 200MHz enables high-frequency signal switching.
- **Low Power Consumption:** CMOS technology ensures low power dissipation.
- **Low Charge Injection:** Reduces glitches during switching.
- **TTL/CMOS-Compatible Logic Inputs:** Ensures easy interfacing with digital circuits.
- **ESD Protection:** Protects against electrostatic discharge (up to 2kV).
- **Break-Before-Make Switching:** Prevents signal shorting during transitions.

The MAX4052ACSE is commonly used in multiplexers, audio/video routing, communication systems, and test equipment.

Application Scenarios & Design Considerations

Low-Voltage / CMOS Analog Multiplexers/Switches# Technical Datasheet: MAX4052ACSE - Precision, Dual, 4-Channel/Dual 2-Channel, CMOS Analog Multiplexer

## 1. Application Scenarios

### Typical Use Cases
The MAX4052ACSE is a monolithic, CMOS analog multiplexer/demultiplexer designed for precision signal routing in low-voltage systems. Its primary function is to connect one of four analog inputs to a common output (4:1 multiplexer) or, in its dual configuration, operate as two independent 2-channel multiplexers. Key use cases include:

*    Data Acquisition Systems (DAQ):  Multiplexing multiple sensor signals (e.g., thermocouples, strain gauges, pressure transducers) into a single high-precision analog-to-digital converter (ADC), significantly reducing system cost and board space.
*    Programmable Gain Amplifiers (PGA):  Selecting different feedback resistors to change the gain of an operational amplifier circuit.
*    Communication Systems:  Signal routing and switching in audio/video paths, modem interfaces, or telecommunication line cards.
*    Automated Test Equipment (ATE):  Routing test signals from various sources to a device under test (DUT) or from the DUT to measurement instruments.
*    Battery-Powered/Portable Devices:  Signal selection in medical instrumentation, handheld meters, and consumer electronics due to its low power consumption and single-supply operation capability.

### Industry Applications
*    Industrial Automation & Control:  Sensor scanning modules, process control I/O subsystems.
*    Medical Electronics:  Patient monitoring equipment, portable diagnostic devices for ECG, EEG, or blood analysis.
*    Telecommunications:  Channel selection in baseband units, line card switching.
*    Automotive Electronics:  Sensor data multiplexing in engine control units (ECUs) and battery management systems (BMS) for electric vehicles.
*    Consumer Audio/Video:  Input source selection in mixers, amplifiers, and display routing systems.

### Practical Advantages and Limitations
 Advantages: 
*    Low Power Consumption:  Typical supply current of <1µA, ideal for battery-operated devices.
*    Low On-Resistance:  Typically 100Ω (max 175Ω) with minimal flatness over the signal range, ensuring minimal signal attenuation and distortion.
*    Wide Analog Signal Range:  Supports rail-to-rail analog signals (V+ to V-), maximizing dynamic range in single-supply designs.
*    High Off-Isolation & Low Crosstalk:  Excellent channel separation (>-80dB at 1kHz) minimizes interference between switched signals.
*    Fast Switching & Settling Time:  Enables use in moderate-speed data acquisition systems.
*    Break-Before-Make Switching:  Prevents momentary shorting of input channels during switching transitions.

 Limitations: 
*    Bandwidth:  Not suitable for switching very high-frequency RF signals (>MHz range); intended for audio, DC, and low-frequency precision applications.
*    Charge Injection:  A small amount of charge is injected into the analog signal path during switching, which can cause voltage glitches. This is critical in sample-and-hold circuits and with high-impedance sources.
*    On-Resistance Variation:  Ron varies with supply voltage and analog signal level, which can introduce non-linearities in precision applications if not considered.
*    ESD Sensitivity:  As a CMOS device, it requires standard ESD handling precautions during assembly.

## 2. Design Considerations

### Common Design Pitfalls and Solutions
1.   Pitfall: Signal Distortion from On-Resistance (Ron):  Using the mux to switch signals directly into a high-impedance load can cause voltage drops and bandwidth limitations due to Ron and its associated capacitance.
    *    Solution:  Buffer the multiplexer output with a high-input-imped

Alternative Part Number

  • DG4052AEY --: Pin-compatible CMOS analog multiplexer with similar 4:1 dual-channel configuration and low on-resistance, direct functional replacement.
  • ADG1408YRUZ --: 8-channel multiplexer with comparable analog signal range and low leakage, suitable substitute when layout allows SOIC/TSSOP adaptation.
  • CD4052BCN --: Classic dual 4-channel analog multiplexer with same logic interface and pinout family, widely available and cost-effective for less demanding specs.
  • CD4052BE --: Classic CMOS dual 4-channel analog multiplexer/demultiplexer with similar logic interface, though higher on-resistance; good for cost-sensitive designs.
  • ADG508AKNZ --: Pin-compatible CMOS analog multiplexer with similar dual 4-channel configuration and low on-resistance, widely available as a direct functional replacement.
  • DG508ACJ+ --: Industry-standard 8-channel CMOS analog multiplexer from the same manufacturer family, offering comparable switching characteristics and supply range.

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