ADC104S101CIMM - 10-Bit 4-Ch 1Msps SAR ADC VSSOP-10 | TI
Артикул: ADC104S101CIMM ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $3.45 | $3,45 |
| 10 | $3.1 | $31,00 |
| 100 | $2.62 | $262,00 |
| 500 | $2.21 | $1.105,00 |
| 1.000 | $1.88 | $1.880,00 |
ADC104S101CIMM Обзор
A successive-approximation-register ADC is a class of Nyquist-rate data converter that uses a binary-search algorithm against an internal precision DAC to resolve each analog sample into a digital code on a per-conversion cycle. SAR ADCs are valued for their deterministic latency, lack of pipeline delay, and excellent DC accuracy, which is why they remain the dominant architecture for multiplexed multi-channel data acquisition in the 10-bit to 16-bit resolution range at sample rates from 100 ksps to a few Msps. Within the broader taxonomy, the ADC104S101 sits at the SAR -> ADC -> data converter -> signal chain -> mixed-signal IC hierarchy.
Key features of the ADC104S101 include 4 input channels, true 10-bit resolution with no missing codes, a specified sample-rate range of 500 ksps to 1 Msps (fully characterized across the range rather than at one point), a single 2.7 V to 5.25 V supply, straight-binary serial output compatible with SPI, QSPI, MICROWIRE and many DSP serial ports, and an industrial operating temperature range of -40C to +85C. The wide 2.7 V to 5.25 V supply range allows direct interfacing to 3.3 V and 5 V microcontrollers without level shifters.
The internal SAR architecture combined with an input sample-and-hold and on-chip conversion clock gives the ADC104S101 deterministic, single-cycle conversion latency, simplifying time-multiplexed channel scanning and making it well suited for control loops and synchronized multi-channel measurements. The four channels share a single serial data output and chip-select, which keeps the host-side GPIO count low and enables easy expansion to more channels by cascading additional devices on the same SPI bus.
Typical applications include multi-channel sensor monitoring (temperature, pressure, strain-gauge bridges), portable and battery-powered instrumentation, factory-automation analog front ends, motor-control feedback rails, and general-purpose data-acquisition boards for industrial and consumer systems. The wide supply range and low power consumption also suit handheld meter designs where 2x or 3x AA-cell stacks or a single Li-ion cell must be accepted directly.
When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the AVDD pin and a larger 1 uF to 10 uF bulk capacitor at the supply entrance. Keep analog input traces short and guarded, and route the serial clock (SCLK) away from analog input lines to minimize digital coupling into the sample-and-hold. The 10-lead VSSOP package has a small thermal pad, so pay attention to PCB land pattern and solder paste stencil to avoid tombstoning during reflow.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, providing a single-page engineering reference for selection, sourcing and PCB implementation.
Аналоги без доработки для ADC104S101CIMM — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с ADC104S101CIMM (тот же форм-фактор и посадочное место) — отличается по Package, Digital Interface, Number of Input Channels, Operating Temperature, Resolution.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ADC104S101CIMM/NOPB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADC104S101CIMMX/NOPB
✅ Прямая замена✓ В наличии
$2.4 / шт.
Открыть даташит →ADC124S101CIMM/NOPB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADC104S051CIMM/NOPB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADC102S101CIMM
✅ Прямая замена✓ В наличии
$1.55 / шт.
Открыть даташит →ADC084S101CIMMX
✅ Прямая замена✓ В наличии
$1.62 / шт.
Открыть даташит →ADC081S051CISDX/NOPB
✅ Прямая замена✓ В наличии
$1.62 / шт.
Открыть даташит →ADC104S101CIMM Максимальные параметры и электрические характеристики
| Разрешение | 10 bit |
| Number of Input Channels | 4 |
| Architecture | SAR (Successive Approximation Register) |
| Sample Rate Range | 500 ksps to 1 Msps |
| Input Type | Single-Ended |
| Supply Voltage (AVDD/DVDD) | 2.7 V to 5.25 V (single supply) |
| Power Consumption (3 V supply) | 3.9 mW (typ) |
| Power Consumption (5 V supply) | 11.4 mW (typ) |
| Digital Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial |
| Output Format | Straight Binary |
| Диапазон рабочих температур | -40 C to +85 C (Industrial) |
| Корпус | 10-pin VSSOP (DGS) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов ADC104S101CIMM
| Контакт 1 | IN1 — Analog input channel 1 |
| Контакт 2 | IN2 — Analog input channel 2 |
| Контакт 3 | IN3 — Analog input channel 3 |
| Контакт 4 | IN4 — Analog input channel 4 |
| Контакт 5 | GND — Ground (common for analog and digital) |
| Контакт 6 | DOUT — Serial data output (SPI MISO) |
| Контакт 7 | DIN — Serial data input (SPI MOSI) |
| Контакт 8 | SCLK — Serial clock input |
| Контакт 9 | CS — Chip select (active low) |
| Контакт 10 | VDD — Power supply (2.7 V to 5.25 V) |
Типичное применение
ADC104S101CIMM подходит для 7 применениеs: Multi-Channel Sensor Monitoring, Portable Battery-Powered Instrumentation, Factory Automation Analog Front End, Motor Control Feedback Rails, General-Purpose Data Acquisition Boards, Consumer Audio and Video Signal Monitoring, Medical and Health Monitoring Devices.
Multi-Channel Sensor Monitoring
The ADC104S101CIMM's 4 single-ended input channels and 1 Msps throughput make it well suited for multiplexing multiple analog sensors - thermistors, RTDs, photodiodes, strain gauges - into a single digital stream. With 10-bit resolution it delivers 0.1% full-scale quantization, more than adequate for environmental and process-variable monitoring. The wide 2.7 V to 5.25 V supply range lets it share a 3.3 V or 5 V rail directly with the host MCU, eliminating extra level shifters. Placed adjacent to the analog sensors, the ADC104S101CIMM keeps analog traces short and digitizes them right at the source, with deterministic latency that simplifies time-correlated multi-sensor reads.
Рекомендуется
Portable Battery-Powered Instrumentation
Drawing only 3.9 mW from a 3 V supply, the ADC104S101CIMM is a good fit for handheld meters, portable data loggers and battery-powered test equipment where total system power budget is tight. The 2.7 V lower supply limit means it can operate directly from two alkaline AA cells (3.0 V nominal) or a single Li-ion cell (3.0 V to 4.2 V) without additional boost regulators. SAR architecture with no pipeline delay means a wake-convert-sleep firmware pattern can put the ADC into a low-power state between conversions, extending battery life. Four channels allow simultaneous monitoring of voltage, current, temperature and a user input from a single chip.
Рекомендуется
Factory Automation Analog Front End
The ADC104S101CIMM's -40C to +85C industrial temperature range and SAR architecture make it appropriate for factory-automation analog front ends reading 4-20 mA loops, 0-10 V field signals, or thermocouple-conditioned inputs. The deterministic, single-cycle SAR latency is valuable in control loops where conversion delay must be predictable. With 4 channels and 1 Msps throughput, the part can scan multiple sensor channels faster than typical 10 Hz to 1 kHz process-variable rates, leaving headroom for additional channels or future expansion. SPI/QSPI compatibility enables direct connection to industrial microcontrollers and PLCs.
Рекомендуется
Motor Control Feedback Rails
In BLDC or stepper motor drives the ADC104S101CIMM can sample 4 feedback signals - phase currents via shunt amplifiers, DC-bus voltage, and a temperature sensor - at 1 Msps aggregate to support field-oriented control (FOC) loops running at 20 kHz to 50 kHz. The SAR architecture's deterministic conversion time gives the FOC algorithm a known latency, simplifying software timing. The 2.7 V to 5.25 V supply range typically aligns with the 3.3 V digital rail already present in motor-drive designs. Place the ADC104S101CIMM close to the shunt amplifiers to minimize noise pickup on low-level current-sense signals.
Рекомендуется
General-Purpose Data Acquisition Boards
The ADC104S101CIMM is a common building block for general-purpose 4-channel DAQ shields and PCIe/USB data-acquisition modules where 10-bit resolution, 1 Msps and a small VSSOP-10 footprint are desired. The SPI interface is straightforward to bit-bang from an FPGA or to DMA-drive from an MCU, and 4 channels can be daisy-chained with additional ADC104S101 devices for higher channel counts without adding chip-select lines. The single 2.7 V to 5.25 V supply simplifies power-tree design and the industrial temperature range allows use in laboratory and light-industrial environments. Compatible with most FPGA dev-kit baseboards using a standard 0.65 mm-pitch VSSOP breakout.
Рекомендуется
Consumer Audio and Video Signal Monitoring
Although primarily a precision sensor ADC, the ADC104S101CIMM's 1 Msps throughput and 4 channels can be used to monitor DC bias points, supply rails, or slow audio envelopes in consumer A/V equipment where a dedicated audio ADC is overkill. The 10-bit resolution and 1 Msps rate are sufficient to capture envelope-follower signals from a headphone amplifier or a speaker-protection circuit. The small VSSOP-10 package fits in space-constrained headphone-amp and soundbar PCBs. Operating from a single 3.3 V or 5 V rail shared with the rest of the audio system keeps the BOM small and the layout simple.
Рекомендуется
Medical and Health Monitoring Devices
Low-power portable medical devices such as pulse oximeters, blood-pressure monitors and electronic stethoscopes can use the ADC104S101CIMM as a secondary ADC for non-critical signals (battery voltage, ambient temperature, user-interface button levels) while the primary bio-signal chain uses a higher-resolution dedicated ADC. The 4 single-ended channels cover all auxiliary monitoring needs in a single 10-pin VSSOP. Operating from a single 3 V Li-ion cell with 3.9 mW typical power consumption extends battery life between charges. The -40C to +85C range supports the wide thermal environments of body-worn and bedside medical equipment.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ADC104S101CIMM — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADC104S101CIMM/NOPB | ADC104S101CIMMX/NOPB | ADC124S101CIMM/NOPB | ADC104S051CIMM/NOPB | ADC102S101CIMM |
|---|---|---|---|---|---|---|
| Package | VSSOP-10 (DGS) | VSSOP-10 (DGS) - same | VSSOP-10 (DGS) - same | VSSOP-10 (DGS) - same | VSSOP-10 (DGS) - same | VSSOP-10 (DGS) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 10 bit | 10 bit | 10 bit | 12 bit | 10 bit | 10 bit |
| Sample Rate Range | 500 ksps to 1 Msps | 500 ksps to 1 Msps | 500 ksps to 1 Msps | 500 ksps to 1 Msps | 200 ksps to 500 ksps | 500 ksps to 1 Msps |
| Number of Channels | 4 | 4 | 4 | 4 | 4 | 2 |
| Supply Voltage | 2.7 V to 5.25 V | 2.7 V to 5.25 V | 2.7 V to 5.25 V | 2.7 V to 5.25 V | 2.7 V to 5.25 V | 2.7 V to 5.25 V |
| Digital Interface | SPI/QSPI/MICROWIRE | SPI/QSPI/MICROWIRE | SPI/QSPI/MICROWIRE | SPI/QSPI/MICROWIRE | SPI/QSPI/MICROWIRE | SPI/QSPI/MICROWIRE |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Approx. Unit Price (qty 100) | 2.62 USD | 2.62 USD | 2.62 USD | 3.85 USD | 2.40 USD | 2.50 USD |
Ключевые отличия
- Sample rate specified across the full range, not at a single point (против ADC104S051CIMM)
- Pin-compatible upgrade path to 12-bit resolution (против ADC124S101CIMM/NOPB)
- Four single-ended inputs with deterministic SAR latency (против ADC102S101CIMM)
- Wide 2.7 V to 5.25 V single-supply operation (против ADC084S101CIMMX)
Заметки по проектированию
Estimated: Place a 0.1 uF X7R ceramic decoupling capacitor as close as possible (within 2-3 mm) to the VDD pin (pin 10) of the ADC104S101CIMM, and add a 1 uF to 10 uF bulk capacitor at the supply entrance to the chip. The single-supply design ties AVDD and DVDD together internally, so only one decoupling node is needed. Use a ground plane on the layer immediately beneath the part to minimize supply-impedance loop area, and keep analog input traces short and guarded by ground to reduce digital-noise coupling into the sample-and-hold.
Route the SPI clock line (SCLK, pin 8) and the chip-select (CS, pin 9) away from the analog input pins (IN1-IN4, pins 1-4) to avoid digital-to-analog coupling. If the board is 4-layer, place a continuous ground plane on layer 2 directly under the ADC104S101CIMM and route analog/digital signals on layer 1 and 3 with vias stitching the ground plane around the part. The 10-pin VSSOP-10 (DGS) package is small (3.0 mm x 3.0 mm body), so a 0.65 mm pitch land pattern is required - refer to the TI package outline drawing in the datasheet for exact pad dimensions.
The SAR input of the ADC104S101CIMM presents a switched-capacitor load to the driving amplifier; place a series resistor (10 ohm to 100 ohm) close to the ADC analog input pin and ensure the upstream op-amp is unity-gain stable when driving this load. Add a small (10 pF to 100 pF) capacitor at the ADC input to filter wideband noise, but verify that the RC time constant does not limit the input settling to less than the acquisition time (which is half the SCLK period at 1 Msps). For best INL/DNL performance, drive the analog inputs with a low-impedance, low-noise amplifier such as a TI OPA350 or LMP7704.
Common pitfalls when using the ADC104S101CIMM: (1) Driving the analog inputs before the supply rail has stabilized, causing latch-up or incorrect first conversions. (2) Failing to toggle CS high between conversions, which the device requires to initiate a new acquisition. (3) Sharing a noisy digital supply with the analog VDD pin - the part is single-supply but the supply should be filtered with a ferrite bead or RC network if a noisy digital rail is the source. (4) Exceeding 5.25 V on VDD will permanently damage the part. (5) Using a slow SCLK (>10 MHz) that violates the timing spec in the datasheet timing diagram.
Estimated: The ADC104S101CIMM consumes 3.9 mW at 3 V and 11.4 mW at 5 V supply (per the TI datasheet). At 1 Msps with a 5 V supply, the typical supply current is approximately 2.3 mA, so the 0.1 uF decoupling capacitor must recharge this current every SCLK cycle. Use a low-ESR ceramic (X7R or X5R) decoupling capacitor to handle the high-frequency switching transients; tantalum or electrolytic capacitors are too slow for the SAR transient currents and may cause supply droop that degrades conversion accuracy.
Информация о соответствии
RoHS compliance per TI product page for the ADC104S101 family. The /NOPB suffix indicates full lead-free terminal finish and no PB-in-glass exemption. Not AEC-Q100 qualified - this is an industrial-temperature part, not an automotive grade. For automotive applications choose an AEC-Q100 qualified alternative.
