LTC2258CUJ-12#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High-speed, high-resolution ADC - 12-bit resolution - Sampling rate of up to 225 Mega Samples Per Second (MSPS) - Low power consumption - Wide input voltage range - Differential inputs - Serial interface (SPI-compatible) - Small form factor

Package: Ceramic LGA (Land Grid Array)

Essence: The LTC2258CUJ-12#PBF is a high-performance ADC designed for applications requiring fast and accurate analog-to-digital conversion.

Packaging/Quantity: The LTC2258CUJ-12#PBF is available in tape and reel packaging. The quantity per reel is typically 250 units.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 225 MSPS
• Input Voltage Range: ±1 V
• Power Supply: 3.3 V
• Power Consumption: 400 mW
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LTC2258CUJ-12#PBF has a total of 32 pins. The pin configuration is as follows:

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Pin Name Description

1 VREF Reference Voltage 2 VDD Power Supply 3 VSS Ground 4 VIN+ Positive Differential Input 5 VIN- Negative Differential Input 6 CLK Clock Input 7 CS Chip Select 8 SDO Serial Data Output 9 SDI Serial Data Input 10 DGND Digital Ground 11 D15 Digital Output Bit 15 12 D14 Digital Output Bit 14 13 D13 Digital Output Bit 13 14 D12 Digital Output Bit 12 15 D11 Digital Output Bit 11 16 D10 Digital Output Bit 10 17 D9 Digital Output Bit 9 18 D8 Digital Output Bit 8 19 D7 Digital Output Bit 7 20 D6 Digital Output Bit 6 21 D5 Digital Output Bit 5 22 D4 Digital Output Bit 4 23 D3 Digital Output Bit 3 24 D2 Digital Output Bit 2 25 D1 Digital Output Bit 1 26 D0 Digital Output Bit 0 27 DGND Digital Ground 28 VDD Power Supply 29 VSS Ground 30 VREF Reference Voltage 31 VIN- Negative Differential Input 32 VIN+ Positive Differential Input ```

Functional Features

• High-speed and high-resolution conversion
• Low power consumption for energy-efficient operation
• Wide input voltage range allows for versatile applications
• Differential inputs provide improved noise rejection
• Serial interface enables easy integration with microcontrollers and digital systems
• Small form factor saves board space in compact designs

Advantages and Disadvantages

Advantages: - High-speed sampling rate enables real-time data acquisition - High resolution ensures accurate conversion of analog signals - Low power consumption reduces energy costs and extends battery life - Wide input voltage range accommodates various signal levels - Differential inputs minimize interference and improve signal quality - Serial interface simplifies communication with other devices - Small package size allows for flexible placement on PCBs

Disadvantages: - Limited resolution compared to higher-end ADCs - Requires external clock source for proper operation - May require additional components for signal conditioning and filtering

Working Principles

The LTC2258CUJ-12#PBF operates on the principle of successive approximation. It converts analog input signals into digital data by comparing the input voltage to a reference voltage and determining the corresponding digital code. The conversion process is controlled by an internal clock and the result is transmitted serially through the SPI-compatible interface.

Detailed Application Field Plans

The LTC2258CUJ-12#PBF is suitable for a wide range of applications, including: 1. Communications systems 2. Test and measurement equipment 3. Data acquisition systems 4. Medical imaging devices 5. Industrial automation 6. Radar and sonar systems 7. Audio processing equipment 8. Instrumentation and control systems

Detailed and Complete Alternative Models

1. LTC2257CUJ-12#PBF: 12-bit ADC with similar specifications but lower sampling rate (150 MSPS).
2. LTC2260CUJ-14#PBF: 14-bit ADC with higher resolution and similar sampling rate (225 MSPS).
3. LTC2249CUJ-10#PBF