AD4696BCPZ - 16-Bit 16-Channel SAR ADC | Analog Devices
部品番号: AD4696BCPZ ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.9 | $6,450.00 |
| 1,000 | $11.75 | $11,750.00 |
AD4696BCPZ 概要
A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high speed, low power, and excellent accuracy, making it ideal for applications such as industrial process control, data acquisition systems, and medical instrumentation. The AD4696 belongs to the family of SAR ADCs, which are a subset of data converters, which in turn are part of the broader category of mixed-signal integrated circuits.
Key features of the AD4696BCPZ include 16 single-ended or 8 differential input channels, a maximum sampling rate of 1 MSPS, and an SPI-compatible serial interface. The device offers a signal-to-noise ratio (SNR) of 95.5 dB and a total harmonic distortion (THD) of -110 dB, ensuring high-fidelity conversion. It also includes an on-chip 2.5V reference buffer, a temperature sensor, and a customizable channel sequencer, reducing the burden on the host processor.
The AD4696 uses a charge redistribution architecture with a capacitive DAC, achieving excellent linearity and low power consumption. The Easy Drive feature reduces the input current requirement, allowing direct connection to high-impedance sources without external buffers. The device also supports oversampling and decimation to improve noise performance at lower effective sampling rates.
Typical applications include industrial automation, battery-powered instrumentation, and medical monitoring systems. Its high channel count and Easy Drive capability make it particularly suitable for multi-channel data acquisition where PCB area and power are constrained.
When designing with the AD4696BCPZ, ensure proper decoupling of the analog and digital supplies and place the reference decoupling capacitor close to the REF pin. The SPI interface should be isolated from noisy digital traces to maintain conversion accuracy.
ドロップイン代替品: AD4696BCPZ — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: AD4696BCPZ （同一形状・フットプリント） — 相違点: Sampling Rate, Input Type, Reference Type, Number of Channels, Package.
クイック比較ツール — 並列比較する代替部品を選択:
AD4695BCPZ
✅ ドロップイン✓ 在庫あり
$18.5 / 個
データシートを見る →AD4696BCPZ-RL7
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4696BCPZ-RL
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4696BCPZ-REEL
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AD4696BCPZ-REEL7
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AD4696BCPZ-REEL
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4696BCPZ-REEL7
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4696BCPZ-REEL
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4696BCPZ 最大定格＆電気的特性
| 分解能 | 16 Bit |
| Number of Channels | 16 Input |
| サンプリングレート | 1 MSPS |
| Input Type | Single-Ended / Differential |
| インターフェース | SPI |
| Architecture | SAR |
| SNR | 95.5 dB |
| THD | -110 dB |
| Analog Supply Voltage | 2.5 V to 5.5 V |
| Digital Supply Voltage | 1.8 V to 5.5 V |
| パッケージ | 32-LFCSP-WQ (5x5 mm) |
| 動作温度 | -40C to +125C |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
| Reference Type | Internal / External |
AD4696BCPZ ピン構成
| ピン 1 | AVDD — Analog power supply |
| ピン 2 | AIN0 — Analog input channel 0 |
| ピン 3 | AIN1 — Analog input channel 1 |
| ピン 4 | AIN2 — Analog input channel 2 |
| ピン 5 | AIN3 — Analog input channel 3 |
| ピン 6 | AIN4 — Analog input channel 4 |
| ピン 7 | AIN5 — Analog input channel 5 |
| ピン 8 | AIN6 — Analog input channel 6 |
| ピン 9 | AIN7 — Analog input channel 7 |
| ピン 10 | AIN8 — Analog input channel 8 |
| ピン 11 | AIN9 — Analog input channel 9 |
| ピン 12 | AIN10 — Analog input channel 10 |
| ピン 13 | AIN11 — Analog input channel 11 |
| ピン 14 | AIN12 — Analog input channel 12 |
| ピン 15 | AIN13 — Analog input channel 13 |
| ピン 16 | AIN14 — Analog input channel 14 |
| ピン 17 | AIN15 — Analog input channel 15 |
| ピン 18 | GND — Ground |
| ピン 19 | VIO — Digital interface supply |
| ピン 20 | SCLK — Serial clock input |
| ピン 21 | SDI — Serial data input |
| ピン 22 | SDO — Serial data output |
| ピン 23 | CS — Chip select (active low) |
| ピン 24 | CNV — Convert input |
| ピン 25 | REF — Reference voltage input/output |
| ピン 26 | REFGND — Reference ground |
| ピン 27 | TEMP — Temperature sensor output |
| ピン 28 | GPIO0 — General-purpose input/output 0 |
| ピン 29 | GPIO1 — General-purpose input/output 1 |
| ピン 30 | GPIO2 — General-purpose input/output 2 |
| ピン 31 | GPIO3 — General-purpose input/output 3 |
| ピン 32 | EP — Exposed pad (thermal and ground) |
主な用途
AD4696BCPZ の用途: 6 件s: Industrial Process Control, Battery-Powered Instrumentation, Medical Monitoring Systems, Data Acquisition Systems, Automotive Test and Measurement, IoT and Smart Sensors.
Industrial Process Control
The AD4696BCPZ's 16-channel input and 1 MSPS sampling rate enable precise monitoring of multiple sensors in industrial automation. Its Easy Drive technology reduces the need for external buffers, simplifying the signal chain and reducing board space. The device's wide operating temperature range (-40C to +125C) ensures reliable operation in harsh factory environments. With 95.5 dB SNR, it accurately digitizes small sensor signals, improving control loop performance. The SPI interface allows easy integration with industrial microcontrollers, and the on-chip sequencer can automatically scan channels, reducing host processor overhead.
おすすめ
Battery-Powered Instrumentation
The AD4696BCPZ operates from a 2.5V to 5.5V supply and consumes only 12 mW at 1 MSPS, making it ideal for portable instruments. Its low power and standby mode extend battery life in field devices. The Easy Drive inputs allow direct connection to high-impedance sensors, reducing component count and power consumption. The device's small 5x5 mm LFCSP package fits space-constrained designs. With 16 channels, it can monitor multiple parameters such as temperature, pressure, and voltage in a single device, making it perfect for handheld data loggers and wireless sensor nodes.
おすすめ
Medical Monitoring Systems
In medical devices such as patient monitors and diagnostic equipment, the AD4696BCPZ provides high-resolution conversion of biosignals. Its 16-bit resolution and 95.5 dB SNR ensure accurate capture of ECG, EEG, and other physiological signals. The device's low power consumption is critical for battery-operated wearable monitors. The Easy Drive feature simplifies the interface to high-impedance electrodes, reducing noise and artifacts. The SPI interface enables seamless connection to medical-grade microcontrollers, and the wide temperature range supports sterilization and environmental requirements. The 16-channel input allows simultaneous monitoring of multiple vital signs.
おすすめ
Data Acquisition Systems
The AD4696BCPZ is a versatile building block for general-purpose data acquisition systems. Its 16 channels and 1 MSPS throughput allow high-speed sampling of multiple analog signals. The device's Easy Drive technology reduces the need for external driver amplifiers, simplifying the design and reducing cost. The on-chip sequencer can be programmed to scan channels in a custom order, optimizing data collection. With an SPI interface, it easily connects to FPGAs, microcontrollers, and DSPs. The device's high SNR and low THD ensure accurate representation of the input signals, making it suitable for laboratory instruments and test equipment.
おすすめ
Automotive Test and Measurement
In automotive test systems, the AD4696BCPZ can monitor multiple sensors such as temperature, pressure, and position. Its 16-channel input and 1 MSPS sampling rate enable real-time data acquisition for engine control and diagnostics. The device operates over -40C to +125C, suitable for under-hood environments. The Easy Drive inputs simplify connection to sensors with high output impedance. The SPI interface allows integration with automotive microcontrollers, and the device's low power consumption is beneficial for battery-powered test equipment. The high SNR ensures accurate measurement of small signals in noisy automotive environments.
おすすめ
IoT and Smart Sensors
The AD4696BCPZ is well-suited for IoT devices that require multi-channel analog sensing. Its low power consumption and small package make it ideal for wireless sensor nodes. The Easy Drive technology allows direct connection to sensors without external buffers, reducing component count and power. The device's SPI interface is compatible with low-power microcontrollers, and the on-chip sequencer can wake up and sample channels on demand, saving power. With 16 channels, it can monitor temperature, humidity, light, and other parameters in a single device, enabling compact smart sensor designs. The wide supply voltage range supports battery-powered operation.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: AD4696BCPZ — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | AD4695BCPZ | AD4696BCPZ-RL7 | AD4696BCPZ-RL |
|---|---|---|---|---|
| Package | 32-LFCSP-WQ (5x5 mm) | 32-LFCSP-WQ (5x5 mm) | 32-LFCSP-WQ (5x5 mm) | 32-LFCSP-WQ (5x5 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 Bit | 16 Bit | 16 Bit | 16 Bit |
| Sampling Rate | 1 MSPS | 500 kSPS | 1 MSPS | 1 MSPS |
| Number of Channels | 16 | 16 | 16 | 16 |
| SNR | 95.5 dB | 95.5 dB | 95.5 dB | 95.5 dB |
| THD | -110 dB | -110 dB | -110 dB | -110 dB |
| Interface | SPI | SPI | SPI | SPI |
主な差別化要因
- 16-channel input with Easy Drive technology （vs AD4695BCPZ)
- Higher sampling rate （vs AD4695BCPZ)
- Same package and pinout （vs AD4695BCPZ)
設計ノート
Decouple the AVDD and VIO pins with 10uF and 0.1uF capacitors placed as close to the pins as possible. Use a low-impedance ground plane to minimize noise. The analog and digital supplies should be separated and connected at a single point to avoid digital switching noise coupling into the analog circuitry.
Place the reference decoupling capacitor (10uF) close to the REF pin. Route analog inputs away from digital traces to prevent crosstalk. Use a solid ground plane under the device and connect the exposed pad (EP) to ground with multiple vias for thermal and electrical performance.
Ensure the input voltage does not exceed the supply rails. For high-impedance sources, use the Easy Drive feature to minimize input current. Avoid floating unused analog inputs; tie them to ground or a reference voltage. The SPI interface should be operated within the specified clock frequency to ensure reliable communication.
コンプライアンス情報
RoHS compliant per distributor listings. Not AEC-Q100 qualified. Other compliance data not specified in provided sources.
