ADC10464CIWM - 10-Bit 600ns 4-Input ADC with S/H | Texas Instruments
부품 번호: ADC10464CIWM ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.62 | $1,162.00 |
| 500 | $10.46 | $5,230.00 |
| 1,000 | $9.3 | $9,300.00 |
ADC10464CIWM 개요
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts a real-world continuous analog voltage or current into a discrete digital code proportional to the input magnitude. ADCs sit within the broader data-converter hierarchy (ADC/DAC) under data acquisition and signal-chain functions. Multiplexed ADCs like the ADC10464 reduce system cost and board area by sharing one converter across multiple analog sources, with internal channel-selection logic and a front-end sample/hold that stabilizes dynamic inputs during conversion. Multistep architectures split the conversion into coarse and fine flash stages to balance speed, die size, and power.
Key features of the ADC10464CIWM include four analog inputs selected by channel address pins, an integrated track-and-hold, ±0.5 LSB differential nonlinearity (DNL), ±1 LSB integral nonlinearity (INL), a parallel digital output bus, and an external reference input. The device includes a track/hold acquisition time consistent with the 600 ns conversion budget, supports ratiometric operation, and provides TTL/CMOS-compatible logic interfaces. The wide-body SOIC package eases probing and rework on legacy through-hole-style layouts.
The multistep conversion architecture employs two internal flash stages that refine a coarse estimate with a fine flash sub-conversion, reducing comparators versus a true flash design while still delivering sub-microsecond settling. This makes the ADC10464CIWM a strong fit when faster-than-successive-approximation (SAR) speed is required but full-flash power dissipation is unacceptable. The integrated track/hold front-end allows accurate acquisition of fast multiplexed signals without an external buffer.
Typical applications include multi-channel data-acquisition systems, industrial process control front ends, instrumentation and metering, sonar/signal-conditioning boards, and legacy 5V-only embedded platforms. The four input channels suit sensor arrays (temperature, pressure, strain) where many physical inputs share a single conversion pipeline.
When designing with this ADC, choose a low-impedance input buffer per channel to drive the switched-capacitor sample/hold input, place decoupling close to AVDD/DVDD pins, and isolate the digital output bus from sensitive analog traces. Use a clean, low-noise external reference (or ratiometric supply) to preserve INL/DNL performance.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers shorten the part-selection and verification cycle.
드롭인 대체품: ADC10464CIWM — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ADC10464CIWM (동일 폼 팩터 및 풋프린트) — 차이점: Analog Supply Voltage, Architecture, Conversion Time, Operating Temperature Range, Package.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ADC10464CIMSA
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADC10464CIWX
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADC10464CIN
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADC10462CIWM
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADC10461CIWM
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADC10062CIWM/NOPB
✅ 드롭인✓ 재고 있음
$5.85 / 개
데이터시트 보기 →ADC10464CIWM 최대 정격 & 전기적 특성
| 분해능 | 10 bits |
| Number of Input Channels | 4 (multiplexed) |
| Architecture | Multistep (subranging) flash with S/H |
| Conversion Time | 600 ns (typical) |
| Sample Rate | 800 ksamples/s (single-channel) |
| Analog Supply Voltage | 5 V (single supply) |
| Power Dissipation | 235 mW (maximum) |
| Input Type | Single-ended, multiplexed |
| Reference Input | External (ratiometric or fixed) |
| Digital Interface | Parallel output bus |
| 동작 온도 범위 | -40 °C to +85 °C (industrial) |
| 패키지 | 28-pin SOIC Wide (WM) |
| 실장 유형 | Surface Mount |
ADC10464CIWM 핀 구성
| 핀 1 | A0 — Channel address input 0 |
| 핀 2 | A1 — Channel address input 1 |
| 핀 3 | A2 — Channel address input 2 |
| 핀 4 | AIN1A — Analog input channel 1, group A |
| 핀 5 | AIN1B — Analog input channel 1, group B |
| 핀 6 | AIN2A — Analog input channel 2, group A |
| 핀 7 | AIN2B — Analog input channel 2, group B |
| 핀 8 | AGND — Analog ground |
| 핀 9 | REFin — Reference input |
| 핀 10 | AVDD — Analog supply (5V) |
| 핀 11 | D0 — Digital output bit 0 (LSB) |
| 핀 12 | D1 — Digital output bit 1 |
| 핀 13 | D2 — Digital output bit 2 |
| 핀 14 | D3 — Digital output bit 3 |
| 핀 15 | D4 — Digital output bit 4 |
| 핀 16 | D5 — Digital output bit 5 |
| 핀 17 | D6 — Digital output bit 6 |
| 핀 18 | D7 — Digital output bit 7 |
| 핀 19 | D8 — Digital output bit 8 |
| 핀 20 | D9 — Digital output bit 9 (MSB) |
| 핀 21 | CONV — Conversion start input |
| 핀 22 | EOC — End-of-conversion output |
| 핀 23 | RD — Read strobe input |
| 핀 24 | CS — Chip select input |
| 핀 25 | DGND — Digital ground |
| 핀 26 | DVDD — Digital supply (5V) |
| 핀 27 | NC — Not connected (per datasheet) |
| 핀 28 | NC — Not connected (per datasheet) |
일반적인 애플리케이션
ADC10464CIWM 적합 용도: 6 애플리케이션s: Industrial Process Control Front End, Multi-Channel Data Acquisition Systems, Instrumentation and Metering Equipment, Sonar and Signal-Conditioning Boards, Legacy 5V Embedded Platforms, Automotive Aftermarket Telemetry.
Industrial Process Control Front End
The ADC10464CIWM's 4-channel multiplexer and 600 ns conversion time make it a strong fit for industrial PLC and process-control front ends. The industrial -40C to +85C temperature grade allows deployment on factory floors and outdoor enclosures, while the integrated sample-and-hold stabilizes fast signals from pressure, flow, or temperature transducers before quantization. Its 10-bit resolution (1024 codes) gives ~0.1% accuracy per ADC step at a 5 V full-scale, adequate for closed-loop control loops. Designers typically place the ADC10464CIWM within a few centimeters of the sensor-conditioning analog front end and isolate the digital output bus from sensitive analog traces.
추천
Multi-Channel Data Acquisition Systems
Data-acquisition boards scan multiple analog inputs sequentially, and the ADC10464CIWM was designed for exactly this use case. Its 4-input mux eliminates external analog switches, dropping BOM cost and board area, while 600 ns conversion keeps aggregate sample rates high in multiplexed mode. The integrated track/hold handles the rapid input switching by capturing each input at the start of conversion. With a parallel digital interface, the part interfaces directly to legacy microcontrollers or DSPs without requiring an SPI or I2C bridge. The 28-SOIC Wide footprint fits legacy cPCI and PC/104 card layouts.
추천
Instrumentation and Metering Equipment
Bench-top multimeters, power-quality analyzers, and panel meters often need sub-microsecond conversion on multiple analog inputs. The ADC10464CIWM satisfies this with its 4-channel multiplexed front end and 600 ns conversion time, while 5 V operation matches the legacy supply rails used in many metering products. The track/hold front-end reduces dynamic errors on fast inputs such as current-transformer-derived signals. Designers can pair the part with a precision low-drift reference and an instrumentation amplifier to reach effective resolution above 10 bits with oversampling. The 28-SOIC Wide package eases manual rework for low-volume test equipment.
추천
Sonar and Signal-Conditioning Boards
Hydrophone arrays and sonar pre-processing boards demand multi-channel digitization at hundreds of kilohertz per channel. The ADC10464CIWM's 600 ns conversion time supports per-channel sample rates up to 800 ksamples/s, and its 4-channel front-end reduces parallel hardware in beamformer designs. The integrated track/hold prevents aperture-time errors between samples, improving beam-direction accuracy. Operating on a 5 V analog supply makes the part compatible with analog sonar front ends that already use +/-5 V or +5 V rails. The part's CMOS power dissipation (~235 mW) is manageable in sealed underwater housings with appropriate thermal relief.
추천
Legacy 5V Embedded Platforms
Many industrial and embedded designs still rely on 5V analog signal chains because of legacy interface requirements and noise-margin tolerance. The ADC10464CIWM's single 5V supply aligns with these platforms, eliminating the need for level shifters or charge pumps. The part interfaces to 5V-tolerant microcontrollers and DSPs through its parallel 10-bit output bus, simplifying firmware. Designers modernizing older designs can drop the ADC10464CIWM into existing 28-SOIC Wide footprints with no PCB changes, retaining the original enclosure and connectors.
추천
Automotive Aftermarket Telemetry
After-market automotive telemetry systems need multi-channel, fast, robust ADC conversion. The ADC10464CIWM's 4-channel input can scan engine RPM, oil pressure, exhaust, and intake manifold sensors through a single converter, simplifying wiring. The industrial -40C to +85C grade handles under-hood temperature variation better than consumer-grade alternatives. The CMOS power dissipation of ~235 mW keeps battery drain low in always-on telemetry. For 12V battery-powered automotive systems, the part requires a regulated 5V supply typically realized with a switching pre-regulator followed by a linear post-regulator.
추천
추천 제품 요약
엔지니어링 참조 데이터: ADC10464CIWM — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ADC10464CIMSA | ADC10464CIWX | ADC10462CIWM |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 28-SOIC Wide (WM) | 28-SOIC Wide (WM) | 28-SOIC Wide (WM) | 28-SOIC Wide (WM) |
| Resolution | 10 bits | 10 bits | 10 bits | 10 bits |
| Number of Input Channels | 4 (multiplexed) | 4 (multiplexed) | 4 (multiplexed) | 2 (multiplexed) |
| Conversion Time | 600 ns | 600 ns | 600 ns | 600 ns |
| Analog Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Power Dissipation | 235 mW (max) | 235 mW (max) | 235 mW (max) | 235 mW (max) |
| Operating Temperature | -40C to +85C | -55C to +125C (military) | -40C to +85C (industrial) | -40C to +85C (industrial) |
주요 차별점
- Integrated 4-channel multiplexer with sample-and-hold (vs ADC10462CIWM)
- Sub-microsecond conversion at moderate resolution (vs ADS7813UB/1K)
- Single 5V supply operation (vs AD7992BRMZ-0)
설계 노트
The ADC10464CIWM draws a maximum of 235 mW from a single 5 V supply. Use a 10 uF bulk tantalum or ceramic bypass at AVDD and DVDD pins, supplemented by 0.1 uF ceramic decoupling placed within 5 mm of each supply pin. Keep the analog and digital ground returns separated back to the regulator ground using a star-ground or split-plane strategy. The sample-and-hold input stage draws transient currents during acquisition; pair it with a wideband op-amp buffer (e.g. OPA1612 or AD797) to preserve linearity at high input slew rates.
Lay out the ADC10464CIWM with analog and digital sections physically separated on the PCB. Route the parallel digital output bus away from sensitive analog input traces, and guard the analog inputs with ground fences or via stitching. Place the external reference (REF3125 or equivalent) close to the REFin pin, and provide adequate thermal relief for the wide-body SOIC (31 C/W theta_JA in still air) - the part dissipates ~235 mW which is fine without a heatsink but benefits from copper-pour thermal spreading.
Common pitfalls with the ADC10464CIWM include driving analog inputs without a low-impedance buffer (causing distortion), insufficient reference bypassing (causing gain error), and cross-talk between multiplexed channels caused by slow input settling. The integrated sample-and-hold requires the analog input to settle within the acquisition window - estimate the required op-amp bandwidth using F-3dB = ln(2)/(2*pi*T_acq). Ensure EOC and CONV timing matches the datasheet timing diagram, and avoid switching the analog mux faster than the sample/hold acquisition time allows.
규정 준수 정보
Compliance status not found in the verified web data; specific RoHS/REACH confirmation is recommended via the manufacturer product page.
