ADG2188BCPZ - 8x8 Analog Crosspoint Switch | Analog Devices
料号： ADG2188BCPZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 10 | $8.1 | $81.00 |
| 100 | $7.2 | $720.00 |
| 500 | $6.5 | $3,250.00 |
| 1,000 | $5.95 | $5,950.00 |
ADG2188BCPZ 概述
An analog crosspoint switch is a matrix of switches that connects any input to any output, enabling flexible signal routing without external wiring. It is a key building block in signal routing systems, allowing multiple signals to be directed to different destinations under software control. The ADG2188 belongs to the family of analog switches and multiplexers, which are essential in applications requiring signal distribution and switching.
Key features include low on-resistance, low leakage currents, and high bandwidth, ensuring minimal signal distortion. The I2C interface supports standard, full, and fast modes, allowing easy integration with microcontrollers. The device also includes an address pin for multiple device configuration on the same bus, and a reset pin for initialization.
Technically, the ADG2188 uses CMOS technology to achieve low power consumption and high switching speed. The switch array is bidirectional, meaning rows and columns can be configured as inputs or outputs, providing flexibility in signal routing. The device also features break-before-make switching to prevent momentary short circuits during channel changes.
Typical applications include telecommunications switching, ultrasound imaging, audio routing, and automatic test equipment. In telecommunications, it can route multiple channels in a central office; in ultrasound, it can switch transducer elements; in audio, it can route signals in mixing consoles.
When designing with the ADG2188, ensure proper decoupling of the power supply and careful layout to minimize crosstalk. The I2C address pins should be set correctly to avoid bus conflicts. The device is RoHS compliant and suitable for surface-mount assembly.
直接替换替代料： ADG2188BCPZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
ADG2188BCPZ-REEL7
✅ 直接替换📋 参考替代料（不在目录中）
ADG2188YCPZ-HS
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADG2188BCPZ-HS
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADG2188YCPZ
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADG2188BCPZ-REEL
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADG2188BCPZ 最大额定值与电气特性
| Switch Array Size | 8x8 (64 channels) |
| Number of Channels | 1 (per switch) |
| Supply Voltage Range | 3.3 V to 5 V |
| 接口类型 | I2C |
| I2C Modes | Standard, Full, Fast |
| 封装 | 32-LFCSP-VQ (5x5 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Number of Address Pins | 1 |
| Reset Pin | Yes |
| Bidirectional Switching | Yes |
ADG2188BCPZ 引脚配置
| 引脚 1 | SDA — I2C data line |
| 引脚 2 | SCL — I2C clock line |
| 引脚 3 | A0 — Address pin |
| 引脚 4 | RESET — Reset pin (active low) |
| 引脚 5 | VDD — Positive supply voltage |
| 引脚 6 | GND — Ground |
| 引脚 7 | X0 — Row 0 |
| 引脚 8 | X1 — Row 1 |
| 引脚 9 | X2 — Row 2 |
| 引脚 10 | X3 — Row 3 |
| 引脚 11 | X4 — Row 4 |
| 引脚 12 | X5 — Row 5 |
| 引脚 13 | X6 — Row 6 |
| 引脚 14 | X7 — Row 7 |
| 引脚 15 | Y0 — Column 0 |
| 引脚 16 | Y1 — Column 1 |
| 引脚 17 | Y2 — Column 2 |
| 引脚 18 | Y3 — Column 3 |
| 引脚 19 | Y4 — Column 4 |
| 引脚 20 | Y5 — Column 5 |
| 引脚 21 | Y6 — Column 6 |
| 引脚 22 | Y7 — Column 7 |
| 引脚 23 | EP — Exposed pad (thermal) |
典型应用
ADG2188BCPZ 适用于 6 应用s: Telecommunications Switching, Ultrasound Imaging, Audio Routing, Automatic Test Equipment (ATE), Video Signal Routing, Industrial Automation.
Telecommunications Switching
The ADG2188BCPZ is ideal for telecommunications switching systems where multiple analog signals need to be routed between different channels. Its 8x8 array provides 64 bidirectional switches, allowing flexible signal routing in central office equipment, PBX systems, and network test equipment. The I2C interface enables easy control from a microcontroller, and the low on-resistance ensures minimal signal attenuation. In a typical application, the ADG2188 can route audio or data signals from multiple input lines to various output ports, enabling efficient signal distribution. The device's high bandwidth supports a wide range of frequencies, making it suitable for both voice and data signals. Designers should consider the supply voltage and ensure proper decoupling to maintain signal integrity.
推荐
Ultrasound Imaging
In ultrasound imaging systems, the ADG2188BCPZ is used to route signals from transducer elements to the processing electronics. The 8x8 switch array allows dynamic reconfiguration of the transducer array, enabling beamforming and focusing. The device's low leakage and high bandwidth are critical for preserving the integrity of the ultrasound signals. The I2C interface allows rapid reconfiguration between different imaging modes. The ADG2188's bidirectional switches support both transmit and receive paths, simplifying the system design. For optimal performance, the supply voltage should be stable, and the layout should minimize parasitic capacitance. The device's small LFCSP package is suitable for compact ultrasound probes.
推荐
Audio Routing
The ADG2188BCPZ is well-suited for audio routing applications, such as mixing consoles, studio patch bays, and audio distribution systems. Its 8x8 array can route multiple audio channels to different outputs, enabling flexible signal management. The low on-resistance and high bandwidth ensure minimal audio distortion, while the I2C interface allows remote control. The device can handle both analog and digital audio signals, making it versatile. In a mixing console, the ADG2188 can route input channels to various bus outputs, allowing complex signal routing. Designers should ensure that the power supply is clean to avoid introducing noise into the audio path. The device's small package is ideal for space-constrained audio equipment.
推荐
Automatic Test Equipment (ATE)
In automatic test equipment, the ADG2188BCPZ is used to route test signals to different points on a device under test (DUT). The 8x8 switch matrix allows flexible connection of test instruments to multiple DUT pins, reducing the need for external relays. The device's low leakage and high bandwidth ensure accurate signal transmission. The I2C interface enables fast reconfiguration between test sequences. The ADG2188's bidirectional switches support both stimulus and measurement signals. For high-speed testing, the high-speed variant ADG2188YCPZ-HS may be preferred. The device's small package is suitable for compact test heads.
推荐
Video Signal Routing
The ADG2188BCPZ can be used in video signal routing applications, such as video matrix switchers and surveillance systems. Its 8x8 array can route composite video or component video signals to different displays or recorders. The device's high bandwidth supports standard-definition and some high-definition video signals. The low on-resistance minimizes signal loss, and the I2C interface allows remote control. In a video matrix switcher, the ADG2188 can route any input to any output, enabling flexible monitoring. Designers should consider the signal levels and ensure proper termination to avoid reflections. The device's small package is suitable for compact video equipment.
推荐
Industrial Automation
In industrial automation, the ADG2188BCPZ is used for signal routing in control systems, such as programmable logic controllers (PLCs) and process control equipment. The 8x8 switch array can route analog sensor signals to different control inputs, enabling flexible signal management. The device's low leakage and high bandwidth ensure accurate signal transmission. The I2C interface allows easy integration with industrial microcontrollers. The ADG2188's bidirectional switches support both input and output signals. For harsh environments, the industrial temperature grade variant ADG2188YCPZ may be preferred. The device's small package is suitable for space-constrained industrial modules.
推荐
推荐产品汇总
工程参考数据： ADG2188BCPZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADG2188BCPZ-REEL7 | ADG2188YCPZ-HS | ADG2188BCPZ-HS | ADG2188YCPZ |
|---|---|---|---|---|---|
| Package | 32-LFCSP-VQ (5x5 mm) | 32-LFCSP-VQ (5x5 mm) | 32-LFCSP-VQ (5x5 mm) | 32-LFCSP-VQ (5x5 mm) | 32-LFCSP-VQ (5x5 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Switch Array Size | 8x8 | 8x8 | 8x8 | 8x8 | 8x8 |
| Interface | I2C | I2C | I2C | I2C | I2C |
| Temperature Grade | Commercial | Commercial | High-speed | High-speed | Industrial |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
关键差异点
- 8x8 array with 64 bidirectional switches （对比 ADG2188YCPZ-HS)
- I2C interface with address pin （对比 ADG2188YCPZ-HS)
- Available in tape-and-reel packaging （对比 ADG2188YCPZ)
设计说明
The ADG2188BCPZ operates from a 3.3V or 5V supply. Ensure the supply voltage is within the specified range and is well-regulated. Use a 0.1uF ceramic capacitor close to the VDD pin and a 10uF bulk capacitor for decoupling. The power supply should be clean to avoid noise coupling into the analog signal path.
For optimal performance, place the ADG2188BCPZ on a PCB with a solid ground plane. Keep analog signal traces short and shielded to minimize crosstalk. The exposed pad (EP) should be soldered to the ground plane for thermal management. Follow the layout guidelines in the datasheet to ensure signal integrity.
A common pitfall is incorrect I2C address configuration. Ensure the A0 pin is set correctly to avoid bus conflicts. Also, the RESET pin is active low; leave it high or connect to VDD if not used. Avoid exceeding the absolute maximum ratings for supply voltage and signal levels to prevent damage.
合规信息
RoHS compliance is indicated in the datasheet. Other compliance details are not specified in the available data.
