ADC108S052CIMTX - 10-Bit 8-Ch 200-500kSPS ADC | TI TSSOP-16
Référence : ADC108S052CIMTX ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.86 | $3,86 |
| 10 | $3.48 | $34,80 |
| 100 | $2.95 | $295,00 |
| 500 | $2.55 | $1 275,00 |
| 1 000 | $2.18 | $2 180,00 |
ADC108S052CIMTX Présentation
What is a SAR ADC? A successive-approximation register analog-to-digital converter is a precision data-conversion topology that compares an analog input against an internal binary-weighted DAC bit-by-bit over multiple clock cycles, ultimately producing a digital code. SAR ADCs sit within the broader category of data converters (ADC/DAC), and are valued for high accuracy, low latency, deterministic sampling, and very small footprint compared to delta-sigma or pipeline alternatives. The ADC108S052 specifically targets cost-sensitive multi-channel applications where 10-bit resolution is sufficient.
Key features include 8 input channels with analog input multiplexer, single-ended analog inputs (IN0-IN7), 200 kSPS to 500 kSPS throughput, 10-bit resolution, SPI/SSI-compatible serial output, single 2.7V to 5.25V supply operation, and an industrial operating temperature range of -40C to +105C. The device also includes a hardware/CS pin, SCLK clock input, DOUT data output, and an external conversion-start (CONV) trigger.
The SAR architecture delivers zero-latency conversion and inherent anti-alias robustness when paired with an external RC filter. Power consumption scales linearly with throughput, allowing the system designer to trade speed for power by reducing SCLK frequency in battery-powered or low-duty-cycle applications.
Typical applications include multi-channel sensor monitoring, industrial process control, portable instrumentation, embedded data acquisition modules, automotive body and HVAC sensor interfaces, and consumer audio level metering. The wide supply range and small TSSOP package make it suitable for high-density multi-signal designs.
When designing with this ADC, ensure the analog input bandwidth-limiting RC filter is sized appropriately to reject out-of-band noise below the Nyquist frequency. Decouple AVDD and DVDD separately with 0.1 uF ceramic capacitors placed as close to the IC pins as possible to maintain low digital noise coupling into the analog domain.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers evaluating multi-channel ADC options.
Alternatives de remplacement direct pour ADC108S052CIMTX — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ADC108S052CIMTX (même facteur de forme et même empreinte) — différant par Package, Architecture, Number of Channels, Resolution, Input Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ADC128S052CIMTX
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADC108S102CIMTX
✅ Remplacement direct✓ En stock
$4.72 / unité
Voir la fiche technique →ADC108S052CIMT
✅ Remplacement direct✓ En stock
$2.85 / unité
Voir la fiche technique →ADC084S101CIMMX
✅ Remplacement direct✓ En stock
$1.62 / unité
Voir la fiche technique →ADC084S021CIMMX
✅ Remplacement direct✓ En stock
$1.6 / unité
Voir la fiche technique →ADC108S052CIMTX Valeurs maximales et caractéristiques électriques
| Résolution | 10 bit |
| Number of Channels | 8 |
| Fréquence d'échantillonnage | 200 kSPS to 500 kSPS |
| Architecture | SAR (Successive Approximation Register) |
| Input Type | Single-Ended (IN0-IN7) |
| Plage de tension d'entrée | 0 V to VREF (analog input) |
| Supply Voltage (AVDD/DVDD) | 2.7 V to 5.25 V |
| Output Interface | SPI / SSI serial |
| Température de fonctionnement | -40 C to +105 C (Industrial) |
| Boîtier | TSSOP-16 |
| Type de montage | Surface Mount |
| Niveau MSL | 1 (Unlimited) |
| Statut RoHS | Compliant |
Configuration des broches de ADC108S052CIMTX
| Broche 1 | IN0 — Analog input channel 0 |
| Broche 2 | IN1 — Analog input channel 1 |
| Broche 3 | IN2 — Analog input channel 2 |
| Broche 4 | IN3 — Analog input channel 3 |
| Broche 5 | IN4 — Analog input channel 4 |
| Broche 6 | IN5 — Analog input channel 5 |
| Broche 7 | IN6 — Analog input channel 6 |
| Broche 8 | IN7 — Analog input channel 7 |
| Broche 9 | GND — Ground |
| Broche 10 | CONV — Conversion start trigger |
| Broche 11 | CS — Chip select (active low) |
| Broche 12 | DOUT — Serial data output |
| Broche 13 | SCLK — Serial clock input |
| Broche 14 | DVDD — Digital supply voltage |
| Broche 15 | AVDD — Analog supply voltage |
| Broche 16 | NC — Not connected (per datasheet) |
Applications typiques
ADC108S052CIMTX convient pour 6 applications: Multi-Channel Industrial Sensor Monitoring, Portable Battery-Powered Instrumentation, Embedded Data Acquisition Modules, Automotive Body and HVAC Sensor Interfaces, Consumer Audio Level Metering, IoT Edge Sensor Hubs.
Multi-Channel Industrial Sensor Monitoring
The ADC108S052CIMTX fits multi-channel industrial sensor monitoring because it integrates an 8-channel analog input multiplexer with 10-bit SAR conversion at 200-500 kSPS. Eight thermocouples, pressure sensors, or 4-20 mA loop signals can be digitized with a single IC, reducing BOM and PCB area in PLC analog input modules. Its -40C to +105C industrial temperature rating supports factory-floor deployment. With 2.7V to 5.25V supply operation, it interfaces directly with 3.3V or 5V microcontrollers via SPI. The 10-bit resolution (1024 codes) provides ~0.1% full-scale LSB step, sufficient for many process-control measurements where higher precision is unnecessary.
Recommandé
Portable Battery-Powered Instrumentation
For battery-powered portable instrumentation, the ADC108S052CIMTX scales power consumption with SCLK frequency, allowing the host MCU to reduce conversion throughput during idle and save battery life. It accepts a single 2.7V to 5.25V supply, compatible with single-cell Li-ion (3.0V-4.2V) and 3x AA alkaline stacks. The 8 single-ended inputs can monitor battery voltage, current, temperature, and multiple sensor channels in handheld multimeters, data loggers, or field-test equipment. The TSSOP-16 footprint keeps PCB area minimal, and 10 bits (1024 codes) is adequate for most field-portable measurement ranges where display resolution tops out at 3-4 digits.
Recommandé
Embedded Data Acquisition Modules
The ADC108S052CIMTX is widely used in embedded data acquisition modules because its SPI/SSI serial interface integrates seamlessly with virtually any MCU, FPGA, or DSP. A single CS line allows up to 8 channels to share one SPI bus alongside other peripherals. The SAR architecture provides deterministic, latency-free conversion - critical for control loops where deterministic sampling is required. At 500 kSPS max throughput, the device digitizes a full 8-channel scan in ~16 microseconds, supporting fast control loops. Combined with an external precision reference, the ADC achieves the full 10-bit INL/DNL performance specified in the datasheet.
Recommandé
Automotive Body and HVAC Sensor Interfaces
In automotive body-electronics and HVAC applications, the ADC108S052CIMTX provides 8 channels of analog monitoring for temperature sensors, fan-speed feedback, position sensors, and switch-contact voltages. Its -40C to +105C industrial temperature rating covers most cabin and under-hood environments, and the wide 2.7V to 5.25V supply range tolerates 12V battery transients when paired with proper regulation. While not AEC-Q100 qualified, the part is widely used in non-safety automotive subsystems such as climate-control modules and body-controller auxiliary inputs. The TSSOP-16 package fits densely populated HVAC control boards alongside motor drivers and communication transceivers.
Recommandé
Consumer Audio Level Metering
For consumer audio level metering in mixers, karaoke systems, and home-theater receivers, the ADC108S052CIMTX digitizes up to 8 audio channel levels with 10-bit resolution and 500 kSPS throughput - well above the Nyquist requirement for VU-meter-style ballistics. Each input can be AC-coupled to a peak-detect or RMS circuit, and the SPI output streams level data to the host DSP for LED-bar display driving. The wide supply range accepts the typical 3.3V or 5V analog rails in audio equipment, and the small TSSOP-16 footprint keeps the BOM compact for consumer-price-sensitive designs.
Recommandé
IoT Edge Sensor Hubs
In IoT edge sensor hubs, the ADC108S052CIMTX aggregates multiple analog sensor channels (temperature, humidity, light, gas, pressure) onto a single low-cost ADC. The SPI/SSI interface connects to popular IoT MCUs (ARM Cortex-M0/M4) with minimal GPIO usage. Power-scaling via SCLK allows sleep-mode operation between conversions, preserving battery life in remote sensor nodes. The 8 single-ended inputs cover typical edge-node requirements without external multiplexing, and the TSSOP-16 package supports miniaturized PCB layouts in space-constrained sensor enclosures. Industrial temperature rating ensures outdoor deployment viability.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ADC108S052CIMTX — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ADC128S052CIMTX | ADC108S102CIMTX | ADC084S101CIMMX | ADC084S021CIMMX |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | TSSOP-16 | TSSOP-16 - same | TSSOP-16 - same | TSSOP-16 - same | TSSOP-16 - same |
| Resolution | 10 bit | 12 bit | 10 bit | 8 bit | 8 bit |
| Number of Channels | 8 | 8 | 8 | 4 | 4 |
| Max Sampling Rate | 500 kSPS | 500 kSPS | 500 kSPS | 200 kSPS | 200 kSPS |
| 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 |
| Interface | SPI/SSI serial | SPI/SSI serial | SPI/SSI serial | SPI/SSI serial | SPI/SSI serial |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +85 C | -40 C to +85 C |
Principaux différenciateurs
- 8 channels of 10-bit conversion in a single TSSOP-16 IC (vs ADC084S101CIMMX (8-bit, 4-channel))
- Industry-standard SAR architecture with zero conversion latency (vs Delta-sigma ADCs (e.g., ADS1115))
- Wide 2.7V to 5.25V single-supply operation (vs 5V-only legacy ADCs (e.g., ADC0804))
- 500 kSPS max throughput (vs ADC084S021CIMMX (200 kSPS))
Notes de conception
Estimated: based on a typical operating current of ~2.5 mA at 5V supply and 500 kSPS, the ADC108S052CIMTX draws approximately 12.5 mW of power at full throughput. Power scales linearly with SCLK frequency, so reducing throughput to 200 kSPS cuts power to roughly 40% of the maximum. Place a 0.1 uF ceramic bypass capacitor on AVDD and a separate 0.1 uF on DVDD, placed as close to the IC pins as possible. A bulk 10 uF tantalum or ceramic capacitor on the supply rail adds low-frequency decoupling. For best noise performance, route AVDD and DVDD from a common supply but with separate ferrite beads if noise-sensitive analog signals are present on the same board.
Keep analog input traces short and symmetric to minimize channel-to-channel skew and capacitive crosstalk. Place an anti-aliasing RC filter (typically 1 kohm + 10 nF, fc ~16 kHz) on each INx pin when full 500 kSPS throughput is used, or larger R/C for lower-throughput applications. Route the SPI bus (SCLK, DOUT, CS) away from analog input traces and any switching power converters. A solid ground plane under the ADC with the exposed pad (if present) tied to GND reduces digital-induced noise coupling into the analog domain. The TSSOP-16 package has no exposed thermal pad, so PCB thermal performance is not a concern.
The ADC108S052CIMTX SPI interface clocks data out on the falling edge of SCLK and latches new conversion channel on the rising edge. Verify the host MCU's SPI peripheral is configured for the correct CPOL/CPHA mode (typically mode 0 or mode 1) per the datasheet timing diagram. Keep SCLK trace length under 50 mm to avoid reflections; use a series 33 ohm resistor near the source if longer traces are unavoidable. For multi-ADC busses sharing CS lines, ensure only one CS is active at a time to prevent bus contention. The CONV trigger should be issued only when CS is high to avoid spurious conversions.
Do not apply analog input voltages outside the 0 V to AVDD range - exceeding AVDD or going below GND will forward-bias the input ESD diodes and damage the part. Always start up the supply and reference voltages before applying analog signals, or add external clamping. Avoid leaving analog inputs floating during board bring-up; floating inputs can drift to mid-supply and inject noise into adjacent channels through the internal mux. If unused, connect unused INx pins to GND through a 100 kohm resistor to define the input state. Do not exceed the maximum SCLK frequency corresponding to 500 kSPS throughput.
Informations de conformité
RoHS compliant per TI product page. Industrial -40C to +105C temperature grade, not AEC-Q100 automotive qualified. Lead-free and halogen-free per TI MSL information.
