AD7610BSTZ - 16-Bit 250kSPS SAR ADC | Analog Devices
MPN: AD7610BSTZ ✓ Hoạt độngAD7610BSTZ Tóm tắt
An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital numbers, enabling digital processing and storage. SAR ADCs use a binary search algorithm to approximate the input voltage, offering a good balance of speed, resolution, and power consumption. The AD7610 belongs to the PulSAR family, known for high accuracy and low power, and is part of the broader data converter hierarchy within mixed-signal ICs.
Key features include a 16-bit resolution with no missing codes, a maximum throughput of 250 kSPS, and programmable input ranges of ±10 V, ±5 V, 0 to 10 V, and 0 to 5 V. It offers a parallel and serial interface, an internal reference, and a temperature range of -40°C to +85°C. The device also includes a busy indicator and a power-down mode for power-sensitive applications.
The AD7610 uses a charge redistribution SAR architecture, which provides excellent linearity and low noise. The iCMOS process enables high voltage operation and reduces power consumption. The device includes an internal reference buffer and can operate with a 5 V analog supply and 2.3 V to 5.25 V digital supply, simplifying system design.
Typical applications include industrial process control, data acquisition systems, medical instrumentation, and automated test equipment. The programmable input range allows direct interface to sensors with different output spans, reducing external signal conditioning. The high throughput and accuracy make it suitable for multi-channel multiplexed systems.
When designing with the AD7610, ensure proper decoupling of the analog and digital supplies and a clean reference voltage. The input signal should be buffered to avoid charge injection errors. The parallel interface timing must be respected for reliable data transfer.
Bộ thay thế dễ dàng lắp đặt cho AD7610BSTZ — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với AD7610BSTZ (cùng hình factor và footprint) — khác nhau ở Architecture, Package, Resolution.
AD7610BSTZ-RL
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| Độ phân giải | 16 bits |
| Tỷ lệ lấy mẫu | 250 kSPS |
| Number of Inputs | 1 |
| Input Type | Single-Ended |
| Phạm vi điện áp đầu vào | ±10 V, ±5 V, 0 to 10 V, 0 to 5 V (programmable) |
| Architecture | SAR |
| Giao diện | Parallel, Serial |
| Reference Type | Internal, External |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 2.3 V to 5.25 V |
| Khoảng nhiệt độ hoạt động | -40°C to +85°C |
| Hộp | 48-LQFP (7x7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Number of Converters | 1 |
Cấu hình chân AD7610BSTZ
| Chân 1 | AVDD — Analog power supply (5V) |
| Chân 2 | AVDD — Analog power supply (5V) |
| Chân 3 | REF — Reference input/output |
| Chân 4 | REFGND — Reference ground |
| Chân 5 | IN+ — Positive analog input |
| Chân 6 | IN- — Negative analog input |
| Chân 7 | AGND — Analog ground |
| Chân 8 | AGND — Analog ground |
| Chân 9 | DVDD — Digital power supply |
| Chân 10 | DGND — Digital ground |
| Chân 11 | BUSY — Busy output |
| Chân 12 | CS — Chip select |
| Chân 13 | RD — Read strobe |
| Chân 14 | WR — Write strobe |
| Chân 15 | DB0 — Data bit 0 |
| Chân 16 | DB1 — Data bit 1 |
| Chân 17 | DB2 — Data bit 2 |
| Chân 18 | DB3 — Data bit 3 |
| Chân 19 | DB4 — Data bit 4 |
| Chân 20 | DB5 — Data bit 5 |
| Chân 21 | DB6 — Data bit 6 |
| Chân 22 | DB7 — Data bit 7 |
| Chân 23 | DB8 — Data bit 8 |
| Chân 24 | DB9 — Data bit 9 |
| Chân 25 | DB10 — Data bit 10 |
| Chân 26 | DB11 — Data bit 11 |
| Chân 27 | DB12 — Data bit 12 |
| Chân 28 | DB13 — Data bit 13 |
| Chân 29 | DB14 — Data bit 14 |
| Chân 30 | DB15 — Data bit 15 |
| Chân 31 | SER/PAR — Serial/parallel select |
| Chân 32 | SCLK — Serial clock |
| Chân 33 | SDIN — Serial data in |
| Chân 34 | SDOUT — Serial data out |
| Chân 35 | RANGE0 — Input range select 0 |
| Chân 36 | RANGE1 — Input range select 1 |
| Chân 37 | PD — Power down |
| Chân 38 | RESET — Reset |
| Chân 39 | DGND — Digital ground |
| Chân 40 | DVDD — Digital power supply |
| Chân 41 | AGND — Analog ground |
| Chân 42 | AGND — Analog ground |
| Chân 43 | IN- — Negative analog input |
| Chân 44 | IN+ — Positive analog input |
| Chân 45 | REFGND — Reference ground |
| Chân 46 | REF — Reference input/output |
| Chân 47 | AVDD — Analog power supply (5V) |
| Chân 48 | AVDD — Analog power supply (5V) |
Ứng dụng tiêu biểu
AD7610BSTZ phù hợp cho 6 Áp dụngs: Industrial Process Control, Data Acquisition Systems, Medical Instrumentation, Automated Test Equipment, Power Monitoring, Scientific Instruments.
Industrial Process Control
The AD7610BSTZ's programmable input ranges and 16-bit resolution make it ideal for industrial process control systems that monitor sensors with varying output spans. Its 250 kSPS throughput allows fast, accurate digitization of analog signals from temperature, pressure, and flow transducers. The device's high accuracy and low noise ensure reliable control decisions, while the parallel interface simplifies integration with microcontrollers and PLCs. The wide input range eliminates the need for external scaling resistors, reducing component count and board space. The industrial temperature range of -40°C to +85°C ensures operation in harsh environments. The internal reference and power-down mode further enhance system efficiency, making the AD7610 a robust choice for process control loops.
Được đề xuất
Data Acquisition Systems
In data acquisition systems, the AD7610BSTZ provides high-resolution conversion of analog signals from various sensors. Its 16-bit resolution and 250 kSPS sampling rate enable accurate capture of dynamic signals, while the programmable input ranges allow direct connection to ±10 V, ±5 V, 0-10 V, and 0-5 V signal sources. The device's low power consumption and power-down mode are beneficial for portable and battery-powered DAQ devices. The parallel and serial interfaces offer flexibility in connecting to DSPs, FPGAs, or microcontrollers. The internal reference simplifies design, and the small LQFP package saves board space. The AD7610's high accuracy and low noise ensure reliable data for analysis and logging, making it a preferred choice for general-purpose DAQ systems.
Được đề xuất
Medical Instrumentation
The AD7610BSTZ is well-suited for medical instrumentation such as patient monitors and diagnostic equipment, where precision and reliability are critical. Its 16-bit resolution ensures accurate measurement of physiological signals like ECG, EEG, and blood pressure. The programmable input ranges accommodate different sensor outputs, and the low noise performance preserves signal integrity. The device's small package and low power consumption are advantageous for portable medical devices. The internal reference and power-down mode extend battery life. The industrial temperature range covers clinical environments. The AD7610's high accuracy and fast sampling rate enable real-time monitoring and analysis, making it a trusted component in medical electronics.
Được đề xuất
Automated Test Equipment
In automated test equipment (ATE), the AD7610BSTZ provides high-speed, high-resolution digitization for measuring device parameters. Its 250 kSPS throughput allows fast testing of multiple devices, while the 16-bit resolution ensures accurate characterization. The programmable input ranges enable testing of devices with different output levels without external conditioning. The parallel interface supports high-speed data transfer to the test controller. The device's low noise and high linearity are essential for precise measurements. The industrial temperature range ensures reliable operation in test environments. The AD7610's versatility and performance make it an excellent choice for ATE systems, reducing test time and improving throughput.
Được đề xuất
Power Monitoring
The AD7610BSTZ can be used in power monitoring systems to digitize voltage and current signals from power lines. Its 16-bit resolution and 250 kSPS sampling rate enable accurate measurement of power quality parameters such as harmonics and transients. The programmable input ranges allow direct connection to voltage and current transducers with different output levels. The device's high accuracy and low noise ensure reliable monitoring data. The parallel interface facilitates connection to DSPs for real-time analysis. The industrial temperature range is suitable for outdoor and industrial environments. The AD7610's performance makes it suitable for energy management systems, helping to improve efficiency and reliability.
Được đề xuất
Scientific Instruments
The AD7610BSTZ is ideal for scientific instruments such as spectrometers, chromatographs, and particle analyzers, where high precision and low noise are paramount. Its 16-bit resolution and 250 kSPS sampling rate enable accurate digitization of sensor outputs. The programmable input ranges accommodate various signal levels, and the low noise performance preserves weak signals. The device's small package and low power consumption are beneficial for benchtop and portable instruments. The internal reference simplifies calibration. The industrial temperature range ensures stable operation in laboratory environments. The AD7610's high accuracy and speed make it a reliable choice for demanding scientific measurements.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho AD7610BSTZ — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | AD7610BSTZ-RL | AD7610BCPZ-RL | AD7606BSTZ |
|---|---|---|---|---|
| Package | 48-LQFP (7x7) | 48-LQFP (7x7) - same | 48-LFCSP | 64-LQFP (10x10) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 bits | 16 bits | 16 bits | 16 bits |
| Sampling Rate | 250 kSPS | 250 kSPS | 250 kSPS | 200 kSPS |
| Number of Inputs | 1 | 1 | 1 | 8 |
| Input Range | Programmable ±10V, ±5V, 0-10V, 0-5V | Programmable ±10V, ±5V, 0-10V, 0-5V | Programmable ±10V, ±5V, 0-10V, 0-5V | ±10V, ±5V, ±2.5V |
| Interface | Parallel, Serial | Parallel, Serial | Parallel, Serial | Parallel, Serial |
Bảo phân biệt quan trọng
- Programmable input ranges (vsAD7606BSTZ)
- Higher sampling rate (vsAD7606BSTZ)
- Single-channel simplicity (vsAD7606BSTZ)
Ghi chú thiết kế
Decouple the AVDD and DVDD pins with 10uF and 0.1uF capacitors placed as close to the pins as possible. Use separate analog and digital ground planes to minimize noise coupling. The reference pin should be decoupled with a 10uF low-ESR capacitor to ensure stable operation.
For optimal performance, route the analog input traces away from digital traces and use a ground guard around the input pins. The LQFP package has an exposed pad that should be soldered to the ground plane for thermal and electrical performance. Follow the layout guidelines in the datasheet for best results.
Ensure the input signal is within the selected range to avoid clipping. The input should be driven by a low-impedance source to prevent charge injection errors. When using the parallel interface, respect the setup and hold times for reliable data transfer. The power-down mode should be used with caution to avoid glitches on the output.
Thông tin tuân thủ
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Lead-free package.
