ADC1061CIN/NOPB - 10-Bit 556kSPS µP-Compatible ADC | Texas Instruments
N.º da peça: ADC1061CIN/NOPB ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.45 | $6,45 |
| 10 | $5.8 | $58,00 |
| 100 | $5.1 | $510,00 |
| 500 | $4.55 | $2.275,00 |
| 1.000 | $4.02 | $4.020,00 |
ADC1061CIN/NOPB Visão geral
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts continuous analog voltages into discrete digital codes. Within the signal chain hierarchy, the ADC sits between analog front-end conditioning (amplifiers, filters, multiplexers) and the digital controller. The 10-bit resolution provides 1024 discrete codes, yielding 1 LSB of approximately 4.88 mV across a 0-5 V unipolar input range - well suited for industrial process control, instrumentation, and data-acquisition applications where 8-bit dynamic range is insufficient but 12-16 bit precision is not required.
Key features of the ADC1061 include a built-in sample-and-hold (track/hold) function that captures fast-moving input signals without an external SHA, a half-flash (two-step) conversion architecture that reduces die area compared with full-flash designs while still delivering sub-microsecond conversion time, ±0.5 LSB linearity (typical), and TTL/CMOS-compatible digital I/O. The part operates from a single +5 V supply and consumes approximately 130 mW (typical).
The semi-flash architecture uses two 5-bit flash ADCs and a DAC to perform a coarse/fine conversion in two clock cycles. The internal track-and-hold has a 40 ns acquisition time, enabling accurate digitisation of signals with bandwidths up to several hundred kHz. The on-chip output latch simplifies interface to 8-bit and 16-bit microprocessors.
Typical applications include process control and industrial data acquisition, digital oscilloscopes and instrumentation, multiplexed data-logging systems, automotive sensor digitisation, and the digitising front-end of PC-based instrumentation cards that require a simple parallel interface to legacy 8051- or x86-style microcontrollers.
When designing with the ADC1061CIN/NOPB, ensure the analog input is buffered with a low-impedance op-amp (settling time under 200 ns) and that the AVCC pin is well decoupled with both a 10 µF bulk and 0.1 µF ceramic capacitor. Through-hole PDIP is preferred for hand-assembled prototypes and harsh industrial environments where mechanical robustness outweighs board density.
This page synthesises distributor pricing, drop-in replacement candidates, application notes, and engineering design guidance that are not aggregated in the original manufacturer datasheet, helping engineers evaluate the ADC1061 quickly for new designs and legacy board maintenance.
Alternativas drop-in para ADC1061CIN/NOPB — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ADC1061CIN/NOPB (mesmo formato e footprint) — diferindo em Operating Temperature, RoHS Status, Sampling Rate, Resolution, Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADC10158CIN/NOPB
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.74 / unidade
Ver ficha técnica →ADC0848CCN/NOPB
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADC0844CCN/NOPB
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$6.05 / unidade
Ver ficha técnica →ADC0838CCN/NOPB
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.21 / unidade
Ver ficha técnica →ADC0834BCN/NOPB
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.95 / unidade
Ver ficha técnica →AD1674BR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$24.1 / unidade
Ver ficha técnica →ADC1061CIN/NOPB Classificações máximas e características elétricas
| Number of Bits | 10 |
| Architecture | Semi-flash (half-flash) with track/hold |
| Number of Input Channels | 1 |
| Taxa de amostragem | 556 kSPS (max) |
| Faixa de tensão de entrada | 0 V to 5 V (unipolar); ±5 V (bipolar, with reference scaling) |
| Data Interface | Parallel (8/10-bit µP-compatible) |
| Analog Supply Voltage | +5 V (single supply) |
| Digital Supply Voltage | +5 V (same AVCC, single supply) |
| Power Dissipation (typical) | 130 mW |
| Linearity | ±0.5 LSB (typical, differential non-linearity) |
| Track-and-Hold Acquisition Time | 40 ns (typical) |
| Temperatura de operação | -40 °C to +85 °C (industrial) |
| Encapsulamento / Caixa | 20-PDIP (0.300 in, 7.62 mm) |
| Tipo de montagem | Through-Hole |
| Packaging | Tube |
| Status RoHS | Compliant |
| Lead-Free (NOPB suffix) | Yes |
Configuração de pinos do ADC1061CIN/NOPB
| Pino 1 | VIN — Analog input (single-ended) |
| Pino 2 | AGND — Analog ground |
| Pino 3 | VREF — Voltage reference input (decoupled to AGND) |
| Pino 4 | VREFOUT — Internal reference output (nominally 2.5 V) |
| Pino 5 | DB0 — Data bit 0 (LSB) |
| Pino 6 | DB1 — Data bit 1 |
| Pino 7 | DB2 — Data bit 2 |
| Pino 8 | DB3 — Data bit 3 |
| Pino 9 | DB4 — Data bit 4 |
| Pino 10 | DB5 — Data bit 5 |
| Pino 11 | DB6 — Data bit 6 |
| Pino 12 | DB7 — Data bit 7 |
| Pino 13 | DB8 — Data bit 8 |
| Pino 14 | DB9 — Data bit 9 (MSB) |
| Pino 15 | RD — Read strobe (active low) |
| Pino 16 | CS/WR — Chip select / write strobe (active low) |
| Pino 17 | INT/EOC — Interrupt / end-of-conversion output |
| Pino 18 | AVCC — Analog +5 V supply |
| Pino 19 | DVCC — Digital +5 V supply |
| Pino 20 | DGND — Digital ground |
Aplicações típicas
ADC1061CIN/NOPB é adequado para 6 aplicaçãos: Industrial Process Control Data Acquisition, Digital Oscilloscope and Instrumentation Front-End, Multiplexed Data-Logging Systems, Automotive Sensor Digitisation, PC-Based Data Acquisition Cards (ISA/PCI Legacy), Voice-Band Audio and Ultrasound Digitisation.
Industrial Process Control Data Acquisition
The ADC1061CIN/NOPB fits industrial process-control front-ends where 10-bit resolution and 556 kSPS sampling digitise 4-20 mA loop transmitters, thermocouple amplifiers, and pressure transducer outputs. Its single +5 V supply simplifies board-level power, while the 20-PDIP through-hole package withstands the mechanical and thermal stress of factory-floor installations. The on-chip track-and-hold eliminates the need for an external SHA, reducing BOM count. A typical signal chain uses an op-amp buffer (e.g. OPA227) feeding VIN, with the parallel output connected to an 8051 or PIC microcontroller. Designers should place 10 µF + 0.1 µF decoupling on AVCC and route analog/digital grounds as a star.
Recomendado
Digital Oscilloscope and Instrumentation Front-End
The 556 kSPS sampling rate of the ADC1061CIN/NOPB supports digitisation of signals up to approximately 200 kHz bandwidth, making it suitable for low-bandwidth digital oscilloscopes, spectrum analyser IF stages, and PC-based instrumentation plug-in cards. The 40 ns track-and-hold acquisition time captures fast transients without slew-induced errors, and the 10-bit resolution (1 LSB ≈ 4.88 mV) provides sufficient vertical resolution for general-purpose test instruments. In a typical design, an input attenuator/probe-conditioning stage feeds the ADC, and the parallel output is read by a microcontroller or DMA controller for display or transfer to a host PC.
Recomendado
Multiplexed Data-Logging Systems
In multiplexed data-loggers, the ADC1061CIN/NOPB is paired with an external analog multiplexer (e.g. 4051, 5060) to digitise 8 or 16 channels sequentially. While the part itself has a single input, its 556 kSPS throughput allows the system to sample 8 channels at 50 kSPS each, sufficient for HVAC monitoring, environmental sensing, and energy-metering applications. The 20-PDIP package and 0-70 °C / -40 to +85 °C operating range cover the industrial environment. The internal sample-and-hold settles in 40 ns, fast enough to track multiplexer-channel switching transients when the MUX is followed by a unity-gain buffer.
Recomendado
Automotive Sensor Digitisation
The -40 °C to +85 °C industrial temperature range of the ADC1061CIN/NOPB supports under-hood and cabin automotive sensor digitisation such as throttle-position sensing, MAP/Baro sensors, and battery-current monitoring. The 10-bit resolution is appropriate for engine-management inputs where 1 % accuracy is sufficient. Designers should note that the part is not AEC-Q100 qualified, so it is appropriate for non-safety automotive subsystems (body controllers, instrumentation clusters) rather than airbag or ABS modules. The 20-PDIP through-hole package is robust against vibration and thermal cycling in automotive environments.
Recomendado
PC-Based Data Acquisition Cards (ISA/PCI Legacy)
The ADC1061CIN/NOPB is a classic building block for ISA-bus and early PCI data-acquisition cards, where the parallel 8/10-bit output maps directly to the PC data bus via a 74LS245 transceiver. Its 556 kSPS rate supports digitising audio-band and vibration signals, and the 5 V single-supply operation matches the PC slot power rails. In a typical card design, the ADC1061 is triggered by an on-board timer or DMA controller, and the parallel output is double-buffered into a 2 kB FIFO before transfer to host memory. The /NOPB suffix confirms RoHS compliance for modern PC card designs.
Recomendado
Voice-Band Audio and Ultrasound Digitisation
The 556 kSPS sampling rate of the ADC1061CIN/NOPB covers voice-band telephony (8 kSPS) and low-frequency ultrasound (up to 250 kHz signal bandwidth) when oversampled 2x. While 10-bit resolution (60 dB SNR ideal) is below CD-quality audio, it is adequate for speech recognition, voice recorders, and ultrasonic distance/flow measurement. The on-chip track-and-hold preserves phase accuracy for FFT analysis, and the 20-PDIP package is well suited to hand-built audio prototyping. Anti-alias filtering is essential: a 2nd-order Sallen-Key low-pass filter with fc ≈ 200 kHz should precede the VIN pin.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADC1061CIN/NOPB — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADC10158CIN/NOPB | ADC0848CCN/NOPB | ADC0844CCN/NOPB | ADC0838CCN/NOPB | AD1674BR |
|---|---|---|---|---|---|---|
| Package | 20-PDIP | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same | 20-PDIP / 20-SOIC - same (DIP option) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Resolution | 10 bit | 10 bit | 8 bit | 8 bit | 8 bit | 12 bit |
| Input Channels | 1 | 8 | 8 | 4 | 8 | 1 |
| Architecture | Semi-flash + T/H | SAR | SAR | SAR | SAR | SAR |
| Supply Voltage | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single | ±12 V or +5 V (AVCC/DVCC) |
| Interface | Parallel 8/10-bit | Parallel 8-bit | Parallel 8-bit | Parallel 8-bit | Serial | Parallel 8/12-bit |
| Track-and-Hold | Yes (internal, 40 ns) | No | No | No | No | Yes (internal) |
| RoHS / Lead-Free (NOPB) | Yes | Yes | Yes | Yes | Yes | Varies (check part marking) |
Principais diferenciais
- Only semi-flash ADC in this pinout with internal track-and-hold (vs ADC10158CIN/NOPB)
- Higher resolution than other 20-PDIP 8-bit legacy parts (vs ADC0848CCN/NOPB)
- Single +5 V supply matches modern digital rails (vs AD1674BR)
Notas de projeto
Estimated: at +5 V supply and 130 mW typical dissipation, the ADC1061 draws approximately 26 mA from AVCC + DVCC combined. Place a 10 µF tantalum bulk capacitor and a 0.1 µF ceramic decoupling capacitor as close as possible to the AVCC pin (pin 18). Separate AVCC and DVCC traces back to the regulator with ferrite beads if the digital load is heavy. According to the TI ADC1061 datasheet, AVCC noise above 50 mVpp will degrade SNR.
Use a star-ground topology: tie AGND (pin 2) and DGND (pin 20) together only at the ADC's ground pins, then run a single trace back to the system ground. Do not allow digital return currents to flow under the analog input trace. Keep the analog input trace short and surround it with a guard ring tied to AGND. The TI datasheet 'Layout Considerations' section shows the recommended 2-layer board pattern.
Do not omit the VREF bypass capacitor - the 10 µF cap on the VREF pin (pin 3) is required to keep reference noise low. Do not drive VIN from a high-impedance source; the track-and-hold needs a settling time of 40 ns to 0.5 LSB, which requires a source impedance below 1 kΩ. Always buffer with a low-offset op-amp (e.g. OPA227). When reading DB8/DB9, issue a second read cycle; do not assume the 8051 reads all 10 bits in a single MOVX instruction.
The parallel data bus (DB0-DB9) is TTL-compatible and should be buffered if connected to a bus longer than 50 mm. Place 33 Ω series-termination resistors on DB0-DB9 close to the ADC if the bus capacitance exceeds 50 pF. The INT/EOC output (pin 17) is an open-collector / push-pull signal; verify the datasheet figure for your specific lot, as some ADC1061 revisions used open-collector EOC requiring a pull-up resistor.
Informações de conformidade
The /NOPB suffix denotes lead-free, RoHS-compliant packaging per TI documentation. The part is not AEC-Q100 qualified and is therefore not recommended for safety-critical automotive applications (airbag, ABS, ESP).
