CDK1307AILP40 - 12/13-bit 20MSPS Ultra-Low Power ADC | MaxLinear
N.º da peça: CDK1307AILP40 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.45 | $8,45 |
| 10 | $7.62 | $76,20 |
| 100 | $6.78 | $678,00 |
| 500 | $5.94 | $2.970,00 |
| 1.000 | $5.21 | $5.210,00 |
CDK1307AILP40 Visão geral
An analog-to-digital converter (ADC) is an integrated circuit that converts continuous analog signals into discrete digital codes. The ADC is a critical bridge in the signal chain between the analog front end (sensors, amplifiers, filters) and the digital processing domain (DSP, microcontrollers, FPGAs). Within the broader IC taxonomy, ADCs belong to data converters -> mixed-signal ICs -> semiconductor. The CDK1307A family targets high-performance, low-power applications where SNR, throughput, and power budget must all be optimized simultaneously.
Key features include 12/13-bit resolution, 20MSPS maximum sampling rate, 19mW ultra-low power dissipation, 72.6 dB SNR at 8MHz analog input, internal reference circuitry, 1.8V core supply, 1.7V to 3.6V I/O supply, and parallel CMOS output interface. The 40-pin QFN package is pin-compatible with the CDK1308 family, simplifying board-level migration between speed grades.
The CDK1307A utilizes a pipelined architecture with digital error correction, allowing the device to maintain high SNR performance at high input frequencies. Internal reference circuitry eliminates the need for external reference components, reducing BOM cost and board area while maintaining low drift over temperature.
Typical applications include portable and battery-powered imaging systems, portable test and measurement equipment, hand-held oscilloscopes, ultrasound front-end digitization, and low-power digital communications receivers. The 20MSPS throughput makes it well suited to IF sampling and baseband conversion in software-defined radio.
When designing with this device, ensure the analog input network (driver amplifier and RC network) is configured to match the ADC's input common-mode and bandwidth. The 1.8V core supply and 1.7-3.6V I/O supply allow direct interfacing to modern low-voltage FPGAs and processors without level shifters.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para CDK1307AILP40 — 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 CDK1307AILP40 (mesmo formato e footprint) — diferindo em Resolution, Package, Reference, Architecture, Manufacturer.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
CDK1307AILP65
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
CDK1307AILP80
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
CDK1308AILP40
✅ Drop-In✓ Em estoque
$4.1 / unidade
Ver ficha técnica →CDK1308AILP65
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
CDK1308AILP80
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
CDK1307AILP40 Classificações máximas e características elétricas
| Resolução | 12/13 bit |
| Taxa de amostragem | 20 MSPS |
| Architecture | Pipelined |
| SNR | 72.6 dB at 8 MHz input |
| Power Dissipation | 19 mW at 20 MSPS |
| Core Supply Voltage | 1.8 V |
| I/O Supply Voltage | 1.7 V to 3.6 V |
| Output Interface | Parallel CMOS |
| Reference Type | Internal |
| Encapsulamento | 40-pin QFN |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do CDK1307AILP40
| Pino 1 | GND — Ground |
| Pino 2 | AIN+ — Analog input positive |
| Pino 3 | AIN- — Analog input negative |
| Pino 4 | VREF — Reference voltage (internal) |
| Pino 5 | VDD_CORE — 1.8V core supply |
| Pino 6 | GND — Ground |
| Pino 7 | CLK+ — Clock input positive |
| Pino 8 | CLK- — Clock input negative |
| Pino 9 | VDD_IO — I/O supply (1.7V-3.6V) |
| Pino 10 | OE — Output enable |
| Pino 11 | D0 — Data output bit 0 (LSB) |
| Pino 12 | D1 — Data output bit 1 |
| Pino 13 | D2 — Data output bit 2 |
| Pino 14 | D3 — Data output bit 3 |
| Pino 15 | D4 — Data output bit 4 |
| Pino 16 | D5 — Data output bit 5 |
| Pino 17 | D6 — Data output bit 6 |
| Pino 18 | D7 — Data output bit 7 |
| Pino 19 | D8 — Data output bit 8 |
| Pino 20 | D9 — Data output bit 9 |
| Pino 21 | D10 — Data output bit 10 |
| Pino 22 | D11 — Data output bit 11 |
| Pino 23 | D12 — Data output bit 12 (MSB, 13-bit mode) |
| Pino 24 | NC — Not connected |
| Pino 25 | PD — Power down |
| Pino 26 | RESET — Reset |
| Pino 27 | MODE — Mode select |
| Pino 28 | GND — Ground |
| Pino 29 | VDD_IO — I/O supply (1.7V-3.6V) |
| Pino 30 | NC — Not connected |
| Pino 31 | NC — Not connected |
| Pino 32 | NC — Not connected |
| Pino 33 | NC — Not connected |
| Pino 34 | NC — Not connected |
| Pino 35 | NC — Not connected |
| Pino 36 | NC — Not connected |
| Pino 37 | VDD_CORE — 1.8V core supply |
| Pino 38 | GND — Ground |
| Pino 39 | GND — Ground |
| Pino 40 | EP — Exposed thermal pad (connect to GND) |
Aplicações típicas
CDK1307AILP40 é adequado para 6 aplicaçãos: Portable Battery-Powered Imaging Systems, Hand-Held Digital Oscilloscope Front-End, Ultrasound Front-End Digitization, Low-Power Software-Defined Radio Receiver, Industrial Process Control Data Acquisition, Test and Measurement Instrumentation.
Portable Battery-Powered Imaging Systems
The CDK1307AILP40's 19 mW dissipation at 20 MSPS makes it ideal for portable imaging systems where battery life is critical. The 12/13-bit resolution and 72.6 dB SNR at 8 MHz preserve dynamic range for low-light imaging front-ends. The 1.8V core and 1.7-3.6V I/O rails allow direct connection to low-power FPGAs and image processors without level shifters, reducing BOM and extending runtime. Compared to competing 12-bit 20MSPS ADCs that often exceed 50 mW, the CDK1307AILP40 offers approximately 60% power savings, directly translating to longer battery life in hand-held cameras, thermal imagers, and machine-vision modules.
Recomendado
Hand-Held Digital Oscilloscope Front-End
Hand-held oscilloscopes require a low-power ADC with sufficient bandwidth and SNR to capture real-world signals. The CDK1307AILP40 delivers 20 MSPS with 72.6 dB SNR, suitable for digitizing signals up to approximately 8 MHz analog input. The 19 mW power dissipation keeps thermal design simple in compact enclosures, while the 40-pin QFN package allows a small PCB footprint. The parallel CMOS output interface simplifies connection to low-cost FPGAs that perform triggering and display processing. Engineers can scale to CDK1307AILP65 or LP80 if the design later requires more bandwidth.
Recomendado
Ultrasound Front-End Digitization
Medical ultrasound receivers digitize low-level echo signals at IF frequencies from 2-10 MHz, requiring a 12-13-bit ADC with high SNR and low power. The CDK1307AILP40's 72.6 dB SNR at 8 MHz preserves tissue-contrast dynamic range, while 19 mW per channel enables dense multi-channel arrays without exceeding thermal budgets. The 40-pin QFN package supports compact board layouts typical of portable ultrasound probes. Pipelined architecture with digital error correction provides consistent SNR across the device's analog input bandwidth, reducing calibration overhead in production.
Recomendado
Low-Power Software-Defined Radio Receiver
Software-defined radio (SDR) receivers digitize IF signals directly, offloading demodulation to software. The CDK1307AILP40's 20 MSPS sample rate supports IF-sampling architectures in narrowband receivers below 8 MHz bandwidth. The internal reference eliminates external reference components, reducing BOM and improving temperature stability. The 1.7-3.6V I/O rail allows direct connection to 3.3V FPGAs used for DSP. The 19 mW power budget is critical for portable SDR dongles and battery-powered communications gear. Designers targeting wider bandwidth can migrate to the pin-compatible CDK1307AILP65 or LP80.
Recomendado
Industrial Process Control Data Acquisition
Industrial data acquisition systems require 12-13-bit resolution at moderate sample rates with low power consumption for distributed sensor nodes. The CDK1307AILP40 digitizes sensor signals from pressure, flow, and temperature transducers with sufficient accuracy for process control loops. The 1.8V core supply operates directly from switching regulators commonly used in industrial 24V systems. The 40-pin QFN package provides a robust surface-mount solution suitable for vibration-prone factory environments. SNR of 72.6 dB ensures measurement integrity in electrically noisy industrial settings.
Recomendado
Test and Measurement Instrumentation
Bench-top and portable test instruments need a low-power ADC with predictable SNR performance. The CDK1307AILP40's pipelined architecture with digital error correction provides consistent results across production units, simplifying calibration. The 12/13-bit resolution and 20 MSPS support waveform analysis of audio, ultrasonic, and baseband communications signals. The 1.7-3.6V I/O rail interfaces directly to modern LCD controllers and ARM-based processors. The 40-pin QFN allows compact multi-channel instruments with 4-8 synchronized ADCs on a single board, suitable for low-cost logic analyzers and protocol analyzers.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para CDK1307AILP40 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | CDK1307AILP65 | CDK1307AILP80 | CDK1308AILP40 | CDK1308AILP65 | CDK1308AILP80 |
|---|---|---|---|---|---|---|
| Package | 40-pin QFN | 40-pin QFN - same | 40-pin QFN - same | 40-pin QFN - same | 40-pin QFN - same | 40-pin QFN - same |
| Brand | MaxLinear | MaxLinear | MaxLinear | MaxLinear | MaxLinear | MaxLinear |
| Resolution | 12/13 bit | 12/13 bit | 12/13 bit | 14 bit | 14 bit | 14 bit |
| Sampling Rate | 20 MSPS | 65 MSPS | 80 MSPS | 20 MSPS | 65 MSPS | 80 MSPS |
| Core Supply | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| I/O Supply | 1.7V-3.6V | 1.7V-3.6V | 1.7V-3.6V | 1.7V-3.6V | 1.7V-3.6V | 1.7V-3.6V |
| Output Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS |
| Reference | Internal | Internal | Internal | Internal | Internal | Internal |
Principais diferenciais
- Lowest power consumption in the CDK1307A family (vs CDK1307AILP65)
- Same 40-pin QFN package as higher-speed family members (vs CDK1307AILP80)
- Upgrade path to 14-bit resolution in same footprint (vs CDK1308AILP40)
Notas de projeto
Provide separate 1.8V (core) and 1.7-3.6V (I/O) supply rails. Decouple each supply pin with a 100nF X7R ceramic capacitor placed within 5mm of the pin, plus a 10uF bulk capacitor near the IC. Estimated: at 19mW core dissipation on a 40-pin QFN with theta_JA of approximately 30 C/W, junction temperature rise is only 0.6 C above ambient at room temperature, so no heatsink is required. For multi-ADC designs, allocate separate LDO regulators for the core rail to minimize digital switching noise coupling into the analog front-end.
Route the analog input traces as a 50 ohm differential pair (if differential clock is used) from the driver amplifier to the AIN+/AIN- pins. Keep digital output traces (D0-D12) on the opposite side of the package and use a continuous ground plane on an inner layer to isolate analog and digital return currents. Place the input RC network (typically 25 ohm + 10pF) within 5mm of the analog input pins to limit bandwidth and dampen charge kickback from the ADC's switched-capacitor input stage. Connect the exposed thermal pad directly to a solid ground pour for thermal and electrical performance.
Do not exceed the absolute maximum ratings on the analog input pins (typically AVDD + 0.3V). When using single-ended input, tie AIN- to a clean 0.9V common-mode voltage and drive AIN+ with the signal. Avoid routing the parallel CMOS outputs near the analog input traces; a 3mm minimum spacing is recommended. The MODE pin selects between 12-bit and 13-bit operation; verify the FPGA or DSP firmware can handle the wider 13-bit output word. Do not apply clock signals before power is stable - sequence the supplies to avoid latch-up.
Use a low-jitter clock source (jitter < 5 ps RMS) to preserve SNR at high input frequencies. According to the SNR = 20*log10(1/(2*pi*Fin*Tjitter)) relationship, SNR degrades rapidly at high analog input frequencies if clock jitter is excessive. For 8 MHz input, target clock jitter below 3 ps RMS. Use a clock buffer (e.g., CDCLVC1102 or similar) to provide a low-jitter clock to multiple ADCs in synchronized systems. Add a small RC filter (10 ohm + 10pF) on the clock input to filter high-frequency noise.
Informações de conformidade
RoHS compliant per distributor listings. Not AEC-Q100 qualified (industrial/commercial grade). For automotive applications, consult MaxLinear for AEC-Q100 grade availability.
