MAX1162ACUB+T - 16-Bit 200ksps +5V SAR ADC | Analog Devices
MPN: MAX1162ACUB+T ✓ Hoạt độngMAX1162ACUB+T Tóm tắt
A SAR ADC is a type of data converter that performs a binary search through an internal capacitive DAC to digitize an analog signal in N conversion cycles for N bits of resolution. As part of the broader data-acquisition signal chain (sensor -> front-end amplifier -> anti-alias filter -> ADC -> digital host), SAR ADCs are prized for deterministic latency, low latency-to-sample ratios, and excellent DC accuracy without the pipeline delay of pipelined architectures.
Key specifications include 16-bit no-missing-codes performance, an input-voltage range of 0 to VREF, an internal 4 MHz track-and-hold, an SPI/QSPI/MICROWIRE-compatible serial output. The MAX1162ACUB+T integrates the reference buffer internally, so only an external reference voltage (typically +5V for full-scale) is required. The automatic shutdown between conversions reduces average supply current dramatically at lower throughput rates, making the part ideal for battery-powered and duty-cycled applications.
Architecture-wise, the device uses a charge-redistribution capacitive DAC array combined with a precision comparator and successive-ration logic, with an internal input track-and-hold that accepts fast-slewing signals up to the conversion rate without external buffering. The serial interface is straightforward: CS, DOUT, and SCLK form a standard 3-wire SPI port compatible with most microcontrollers and DSPs.
Typical applications include portable data loggers, hand-held measurement instruments, battery-powered sensors and instrumentation, industrial process control analog front-ends, and medical monitoring devices. Its small 10-pin uMAX footprint suits space-constrained PCB designs where density matters.
When designing with this ADC, allocate adequate settling time for the external reference and add a 0.1 µF bypass capacitor close to VDD. The SSTRB (or DSP-style) output can be polled to confirm conversion completion before clocking out results. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
Bộ thay thế dễ dàng lắp đặt cho MAX1162ACUB+T — 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 MAX1162ACUB+T (cùng hình factor và footprint) — khác nhau ở Package, Resolution, Number of Channels, Architecture, Input Voltage Range.
MAX1162ACUB+
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1162BCUB+
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1162BEUB+T
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1162CEUB+T
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MAX1162AEUB+T
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MAX1162ACUB+T Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 16 bits |
| Architecture | Successive Approximation (SAR) |
| Number of Input Channels | 1 single-ended |
| Tỷ lệ lấy mẫu | 200 ksps |
| Conversion Time | 10 us (200 ksps) |
| Supply Voltage (VDD) | +5 V single supply |
| Phạm vi điện áp đầu vào | 0 V to VREF |
| External Reference (VREF) | Up to +5.25 V (logic-level adjustable) |
| Điện áp tắt | 10 uA |
| Wakeup Time | 1.1 us |
| Internal Track/Hold Bandwidth | 4 MHz |
| Giao diện | SPI / QSPI / MICROWIRE-compatible serial |
| Hộp | 10-pin uMAX (TSSOP-equivalent, gull-wing) |
| Khoảng nhiệt độ hoạt động | 0C to +70C (commercial) |
| No Missing Codes | 16 bits guaranteed |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân MAX1162ACUB+T
| Chân 1 | AIN — Analog input (0 to VREF) |
| Chân 2 | GND — Ground |
| Chân 3 | REF — External reference voltage input |
| Chân 4 | VDD — +5V power supply |
| Chân 5 | CS — Chip select (active-low) |
| Chân 6 | DOUT — Serial data output |
| Chân 7 | SCLK — Serial clock input |
| Chân 8 | SSTRB — Conversion status output |
| Chân 9 | NC — No connect (not connected per datasheet) |
| Chân 10 | GND — Ground |
Ứng dụng tiêu biểu
MAX1162ACUB+T phù hợp cho 6 Áp dụngs: Portable Data Loggers, Industrial Process Control, Handheld Measurement Instruments, Medical Monitoring Devices, Battery-Powered Sensor Interfaces, Precision Weigh Scales.
Portable Data Loggers
The MAX1162ACUB+T's 10 uA shutdown current and 1.1 us wakeup time make it ideal for battery-powered data loggers that duty-cycle conversions to extend battery life. With 16-bit no-missing-codes accuracy and 200 ksps sampling, it captures sensor signals faithfully even in remote, unattended installations. The 10-pin uMAX footprint fits compact logger PCBs.
Được đề xuất
Industrial Process Control
In industrial process control analog front-ends, the MAX1162ACUB+T's 0-to-VREF input range interfaces directly with 4-20 mA loops (via shunt) and 0-10V transducer signals. The 16-bit resolution provides the precision needed for closed-loop control, while the SPI interface connects to PLCs and embedded controllers. The 10-pin uMAX package suits dense DIN-rail designs.
Được đề xuất
Handheld Measurement Instruments
The MAX1162ACUB+T's small 10-pin uMAX footprint and low power consumption suit handheld multimeters and portable measurement instruments where PCB real estate is constrained and battery life matters. The 16-bit resolution delivers laboratory-grade accuracy in a pocket form factor. The serial interface simplifies connection to low-pin-count microcontrollers.
Được đề xuất
Medical Monitoring Devices
In medical monitoring applications such as bedside patient monitors and ambulatory recorders, the MAX1162ACUB+T provides 16-bit accuracy for vital-sign signal acquisition. Its low shutdown current extends battery life in wearable monitors, while the SPI interface connects to medical-grade microcontrollers. The deterministic SAR conversion avoids pipeline-delay artifacts in real-time monitoring.
Được đề xuất
Battery-Powered Sensor Interfaces
Wireless sensor nodes and IoT edge devices benefit from the MAX1162ACUB+T's 10 uA shutdown current between conversions, dramatically reducing average power for duty-cycled sampling. The 200 ksps sampling rate captures transient events, while the 16-bit resolution supports precision environmental and structural monitoring. The small uMAX package suits miniaturized sensor PCBs.
Được đề xuất
Precision Weigh Scales
Precision weighing scales and laboratory balances leverage the MAX1162ACUB+T's 16-bit no-missing-codes performance for accurate load-cell digitization. The 0-to-VREF input range directly interfaces with strain-gauge bridges (via instrumentation amplifier), and the SPI interface connects to display and calibration microcontrollers. Low power suits battery-operated portable scales.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MAX1162ACUB+T — 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 | MAX1162ACUB+ | MAX1162BCUB+ | MAX1162BEUB+T | MAX1162CEUB+T | MAX1162AEUB+T |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 10-pin uMAX | 10-pin uMAX - same | 10-pin uMAX - same | 10-pin uMAX - same | 10-pin uMAX - same | 10-pin uMAX - same |
| Resolution | 16 bits | 16 bits | 16 bits | 16 bits | 16 bits | 16 bits |
| Sampling Rate | 200 ksps | 200 ksps | 200 ksps | 200 ksps | 200 ksps | 200 ksps |
| Supply Voltage | +5V | +5V | +5V | +5V | +5V | +5V |
| Accuracy Grade | A-grade | A-grade | B-grade (tighter INL/DNL) | B-grade (tighter INL/DNL) | C-grade | A-grade |
| Packaging | Tape and Reel | Tube | Tube | Tape and Reel | Tape and Reel | Tape and Reel |
| Shutdown Current | 10 uA | 10 uA | 10 uA | 10 uA | 10 uA | 10 uA |
Bảo phân biệt quan trọng
- Ultra-low 10 uA shutdown current with fast 1.1 us wakeup (vsMAX1162ACUB+)
- 10-pin uMAX footprint with integrated track-and-hold (vsMAX1162BCUB+)
- A-grade accuracy at lowest cost (vsMAX1162BEUB+T)
Ghi chú thiết kế
Place a 0.1 uF ceramic bypass capacitor as close as possible to the VDD pin (Pin 4), with a 10 uF bulk tantalum or ceramic on the VDD trace. According to the Maxim datasheet, the MAX1162ACUB+T draws typical active supply current during conversion and drops to 10 uA in shutdown. Adequate VDD decoupling is critical to achieving the datasheet's 16-bit no-missing-codes performance.
Keep analog (AIN, REF) traces short and away from digital switching lines (SCLK, DOUT, CS) to minimize digital crosstalk into the analog input. Use a ground plane and place the reference capacitor (typically 0.1 uF to 10 uF) close to the REF pin. Per Maxim recommendations, star-ground the AGND and DGND connections at a single point near the IC.
Drive the SCLK input with a clean digital signal; excessive ringing or slow edges can cause double-clocking and corrupt the conversion result. Per the Maxim datasheet, SCLK frequencies up to 4 MHz are supported. Add a small series resistor (22-33 ohm) at the SCLK source if long traces cause reflections, and ensure CS transitions low at least 10 ns before the first SCLK rising edge.
Do not leave the REF pin floating - always connect a low-noise external reference (e.g., MAX6125 or equivalent) or filtered VDD-derived voltage. Per the Maxim datasheet, the input-voltage range is 0 to VREF, so an unstable or noisy REF directly degrades conversion accuracy. Also ensure CS returns high between conversions to trigger automatic power-down and minimize average supply current.
Thông tin tuân thủ
RoHS compliant per Maxim Integrated product page. Not AEC-Q100 qualified; choose MAX1162AEUB+T or industrial-grade variants for automotive or harsh-environment applications. Halogen-free status not explicitly listed in Available Legacy data.
