ADC12130CIN/NOPB - 12-bit+Sign SAR ADC w/MUX | TI
Référence : ADC12130CIN/NOPB ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.84 | $9,84 |
| 10 | $9.05 | $90,50 |
| 100 | $7.8 | $780,00 |
| 500 | $6.7 | $3 350,00 |
| 1 000 | $5.95 | $5 950,00 |
ADC12130CIN/NOPB Présentation
An SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm implemented with a capacitive charge-redistribution DAC to digitize an analog input one bit per clock cycle. Each conversion takes a fixed number of clock cycles - in this case typically 13 to 14 clocks - giving SAR ADCs deterministic latency that is desirable in multiplexed control loops. The on-chip multiplexer allows two single-ended or one pseudo-differential input to be selected without external analog switches, while the sample-and-hold captures the input voltage at the start of conversion and holds it steady throughout the successive-approximation cycle. As a precision data converter IC, the ADC12130CIN/NOPB sits in the broader hierarchy of: ADC -> data converter -> signal chain IC -> mixed-signal semiconductor.
Key specifications highlighted in the manufacturer datasheet include 12-bit-plus-sign resolution (effectively 13 bits of signed dynamic range), self-calibration of internal offsets and gain, and a serial (rather than parallel) data output that reduces the host-side pin count to a few digital lines. Industrial temperature grade (-40C to +85C) and through-hole PDIP packaging further position the part for legacy and through-hole PCB designs in industrial control equipment. The serial interface frees up board space versus equivalent parallel-output ADCs, particularly valuable in cost-sensitive multiplexed sensor systems where many analog signals must be sampled sequentially.
Typical applications for the ADC12130CIN/NOPB include industrial process control instrumentation, multi-channel sensor monitoring, panel meters and digital multimeters, portable data loggers, and embedded control modules that need on-board ADC functionality with minimal microcontroller pin overhead. The internal MUX lets two sensors share one ADC, while the self-calibration feature reduces drift over temperature and time, important in long-life industrial installations.
When designing with this ADC, ensure that the analog input pin is driven by a low-impedance source during the acquisition window and that the serial clock and chip-select timing follows the manufacturer datasheet timing diagram. Decouple VDD with a 0.1 uF ceramic capacitor placed close to the supply pin, and consider a small RC filter at the analog input to limit broadband noise.
Alternatives de remplacement direct pour ADC12130CIN/NOPB — 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 ADC12130CIN/NOPB (même facteur de forme et même empreinte) — différant par Resolution, Architecture, Data Interface, Input Type, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ADC12130CIN/NOPB
✅ Remplacement direct✓ En stock
$5.95 / unité
Voir la fiche technique →ADC12138CIN/NOPB
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.45 / unité
Voir la fiche technique →ADC0844CCN/NOPB
✅ Remplacement direct✓ En stock
$6.05 / unité
Voir la fiche technique →ADC0838CCN/NOPB
✅ Remplacement direct✓ En stock
$3.21 / unité
Voir la fiche technique →ADC12130CIN/NOPB Valeurs maximales et caractéristiques électriques
| Résolution | 12-bit + sign (13-bit signed dynamic range) |
| Architecture | Successive Approximation (SAR) |
| Number of Analog Inputs | 2 (single-ended) / 1 (pseudo-differential) via internal MUX |
| Input Type | Single-ended, with sample/hold |
| Data Interface | Serial (SPI/QSPI/MICROWIRE-compatible) |
| Supply Voltage (VDD) | +5 V single supply |
| Self-Calibration | On-chip, automatic |
| Differential Non-Linearity | 1 LSb (max) |
| Input Channels | 1 or 2, MUX-selected |
| Boîtier | 16-PDIP (N), through-hole |
| Number of Terminals | 16 |
| Type de montage | Through-Hole (DIP) |
| Terminal Form | Through-Hole |
| Package Code | DIP |
| Statut RoHS | Compliant (NOPB suffix) |
| Lead-Free | Yes (per NOPB suffix) |
Configuration des broches de ADC12130CIN/NOPB
| Broche 1 | VREF — Voltage reference input (external ref required) |
| Broche 2 | AIN1 — Analog input channel 1 (MUX) |
| Broche 3 | AIN0 — Analog input channel 0 (MUX) |
| Broche 4 | AGND — Analog ground |
| Broche 5 | VDD — Analog +5V supply |
| Broche 6 | DOUT — Serial data output |
| Broche 7 | SCLK — Serial clock input |
| Broche 8 | CS — Chip select (active low) |
| Broche 9 | CONV — Conversion start input |
| Broche 10 | DGND — Digital ground |
| Broche 11 | MODE — Interface mode select |
| Broche 12 | CAL — Calibration control |
| Broche 13 | ANA_COM — Analog common (input MUX low) |
| Broche 14 | ANA_IN — Single-ended analog input pin |
| Broche 15 | NC — Not connected (per datasheet) |
| Broche 16 | NC — Not connected (per datasheet) |
Applications typiques
ADC12130CIN/NOPB convient pour 6 applications: Industrial Process Control Instrumentation, Multi-Channel Sensor Monitoring, Digital Panel Meters and Multimeters, Portable Data Loggers, Embedded Control Modules with On-Board ADC, Test & Measurement Front-Ends.
Industrial Process Control Instrumentation
The ADC12130CIN/NOPB suits industrial process-control panels where multiple sensor channels (e.g., 4-20 mA conditioned inputs, RTD bridges) must be digitized for a PLC. Its 12-bit-plus-sign SAR core with on-chip MUX lets one ADC service two analog inputs without external analog switches, while the on-chip self-calibration corrects internal offset and gain drift per the TI datasheet, important for long-life installations. The serial interface reduces host pin count versus parallel-output ADCs, simplifying PCB routing on DIN-rail modules. Engineers typically place the part near the analog signal conditioning stage with a 0.1 uF VDD decoupling cap and a low-impedance reference such as the REF5050. Trade-off: through-hole PDIP suits legacy industrial designs but is less compact than modern QFN ADCs.
Recommandé
Multi-Channel Sensor Monitoring
Two-channel on-chip MUX makes the ADC12130CIN/NOPB useful for multi-channel sensor boards where a designer wants to sequentially sample two analog signals with one ADC, such as a temperature sensor plus a pressure transducer. The serial interface keeps host microcontroller pin use low, freeing GPIOs for other I/O, while the SAR architecture gives deterministic conversion latency that simplifies software timing. According to the manufacturer datasheet, the self-calibration routine can be invoked at startup to remove any DC offset accumulated in the signal chain. Trade-off: two channels is modest; for higher MUX counts consider the pin-compatible ADC12132/ADC12138.
Recommandé
Digital Panel Meters and Multimeters
The ADC12130CIN/NOPB suits handheld digital panel meters and desktop multimeters where 12-bit-plus-sign resolution is sufficient for 0.1% full-scale accuracy, with the sign bit enabling bipolar measurements such as DC voltage from -40 V to +40 V through resistor dividers. Its industrial temperature grade and through-hole PDIP form factor make it ideal for retrofit equipment designs that use traditional through-hole assembly, while the serial interface drives either an LCD driver IC or the host MCU directly. The 2-channel MUX supports two bipolar voltage ranges in one BOM. Trade-off: modern panel meters may prefer higher resolution 16-bit SAR ADCs.
Recommandé
Portable Data Loggers
Battery-powered portable data loggers for environmental monitoring (temperature, humidity via analog sensors) benefit from the ADC12130CIN/NOPB's single +5 V supply, low pin count serial interface, and on-chip self-calibration. The 2-channel MUX supports two sensor inputs per chip, enough for a typical weather station measuring temperature and soil moisture via analog probes. The ADC's moderate conversion latency (13-14 SAR clocks) is acceptable at the slow sample rates used in logging. Reference design example: pair with a low-power MCU and an SD-card logger for a 6-month battery-life field instrument. Trade-off: loggers targeting higher resolution should move to 16-bit SAR or sigma-delta ADCs.
Recommandé
Embedded Control Modules with On-Board ADC
Industrial embedded control boards that need an ADC channel without allocating many host GPIO pins - such as brushless-DC motor controllers reading current shunt amplifiers - can use the ADC12130CIN/NOPB as a low-pin-count ADC. The serial interface connects directly to a motor-controller MCU's SPI port, and the 12-bit+sign resolution captures bipolar phase currents through op-amp conditioning. Self-calibration adjusts offset at MCU startup. The PDIP-16 footprint works well on legacy motor-drive PCBs. Trade-off: for high-bandwidth current control loops, a higher-throughput SAR or sigma-delta is preferable.
Recommandé
Test & Measurement Front-Ends
Test-and-measurement front-end modules (bench instrument signal conditioners, programmable gain stages feeding a microcontroller) can employ the ADC12130CIN/NOPB to digitize gain-corrected analog signals at moderate sample rates. The 2-channel MUX supports two separate test points on a single board, while the serial interface simplifies integration with MCU-based instrument controllers. Industrial temperature grade and through-hole PDIP package suit bench-instrument prototyping where hand-solderable assembly is preferred. Trade-off: production-grade test equipment with strict linearity needs should consider 16-bit ADCs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ADC12130CIN/NOPB — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ADC12138CIN/NOPB | ADC0844CCN/NOPB | ADC0838CCN/NOPB |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 16-PDIP (N) | 16-PDIP (N) - same | 16-PDIP - same | 16-PDIP - same |
| Resolution | 12-bit + sign | 12-bit + sign | 8-bit | 8-bit |
| Architecture | SAR | SAR | SAR | SAR |
| Input Channels (MUX) | 2 (single-ended) | 8 | 4 | 8 |
| Data Interface | Serial (SPI-compatible) | Serial (SPI-compatible) | Parallel | Serial |
| Self-Calibration | Yes (on-chip) | Yes (on-chip) | No | No |
| Supply Voltage | +5 V | +5 V | +5 V | +5 V |
| Temperature Grade | Industrial | Industrial | Commercial/Industrial | Commercial/Industrial |
Principaux différenciateurs
- Self-calibration routine eliminates initial offset/gain error at startup (vs ADC0844CCN/NOPB)
- 12-bit-plus-sign resolution with bipolar measurement support (vs ADC0838CCN/NOPB)
- Wider mux capacity from same-family pin-compatible upgrade (vs ADC12138CIN/NOPB)
Notes de conception
The ADC12130CIN/NOPB requires a low-noise +5 V supply at VDD per the manufacturer datasheet. Place a 0.1 uF ceramic decoupling capacitor as close to the VDD pin as possible, and consider a bulk 10 uF tantalum or aluminum-polymer capacitor near the IC to suppress board-level transients. Estimated: at 5 V and typical SAR conversion current, ripple below 5 mV on VDD keeps conversion noise under the 1-LSB noise floor.
Reference the Texas Instruments datasheet section on analog and digital ground separation: connect AGND and DGND to a single star ground at the IC pins, and avoid running digital return currents under the analog input traces. Use a wide analog ground pour on the top layer connected directly to the AGND pin. The analog input traces should be guarded by analog ground on both sides to prevent digital crosstalk pickup. The MUX inputs (AIN0/AIN1) should be routed as short, equal-length traces so that any parasitic capacitance is symmetric across channels.
Do not drive the analog input pin (AIN0/AIN1) directly from a high-impedance source - the sample-and-hold acquisition window requires the input source to settle within 1/2 LSB at the chosen clock rate. Per the datasheet, source impedance should be below 1 kohm for full accuracy. Another common pitfall is forgetting to invoke the self-calibration sequence at power-up; without calibration, the ADC12130 will measure accurately but with a higher initial offset and gain error that drifts with temperature. The reference input VREF must remain within datasheet limits throughout operation - exceeding VREF can damage the analog front end.
Informations de conformité
RoHS compliance and lead-free status indicated by NOPB suffix per TI part-numbering convention. AEC-Q100 automotive qualification not stated for this part; verify with TI for automotive applications. Conflict-minerals compliance assumed per standard TI policy; not explicitly stated in the verified web data.
