ADC1002S020HL/C1 - 10-bit 20MSPS ADC, LQFP-32 | NXP
MPN： ADC1002S020HL/C1 ✓ 啟用中ADC1002S020HL/C1 概覽
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples a continuous analog input voltage and quantizes it into a discrete digital code. A 10-bit ADC produces 1024 discrete codes (LSB = full-scale / 1024), and at 20 MSPS the converter can accurately capture baseband video and intermediate-frequency signals well below the Nyquist frequency of 10 MHz. In the broader system hierarchy, the ADC1002S020 sits between an analog front-end (amplifier/filter) and a digital back-end (ASIC, FPGA, or DSP), occupying the data-acquisition tier of the signal chain alongside sample-and-hold circuits, voltage references, and clock generators.
Key features include 10-bit resolution, 20 MSPS maximum sampling rate, a single 3.0 V to 5.25 V analog supply with CMOS-compatible digital I/O, an integrated pipeline architecture, and a power-saving standby mode. The parallel data interface simplifies connection to FPGAs, microcontrollers, or display controllers without requiring a high-speed serial deserializer.
The device uses a pipelined architecture with an internal reference ladder to deliver consistent linearity across the input range, and differential analog inputs maximize common-mode rejection for noisy environments. The 20 MSPS sample rate provides ample headroom for standard-definition digital video and IF digitization.
Typical applications include professional video digitization, IF signal sampling, instrumentation, and general-purpose data acquisition. The wide analog supply range (3.0 V to 5.25 V) lets the part coexist with 3.3 V and 5 V system rails. The integrated standby mode and CMOS I/O further simplify power-constrained portable designs.
When designing with this ADC, ensure the analog input drive network is low-impedance at the Nyquist frequency to preserve SFDR. Decouple AVDD and DVDD separately with 100 nF and 10 uF capacitors placed as close to the pins as possible, and provide a clean low-jitter clock to the CLK input to maximize SNR.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a faster path to in-system validation.
直接替換替代品，適用於 ADC1002S020HL/C1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADC1002S020HL/C1 （相同外形與佔位） — 差異在於 Data Interface, Package, Sampling Rate, Standby Mode.
ADC1002S020HL/C1:1
✅ 直接替換聯絡詢價
查看資料表 →ADC1002S020HL
✅ 直接替換📋 參考替代品（不在目錄中）
ADC1002S020HL-C1
✅ 直接替換📋 參考替代品（不在目錄中）
ADC1002S020HL/C1 最大額定值與電氣特性
| 解析度 | 10 bits |
| Number of Channels | 1 |
| 取樣率 | 20 MSPS |
| Analog Supply Voltage | 3.0 V to 5.25 V |
| Input Type | Differential |
| Data Interface | Parallel |
| Architecture | Pipelined |
| 封裝 | 32-LQFP (SOT401-1), 5 x 5 x 1.4 mm |
| 安裝類型 | Surface Mount |
| 工作溫度 | -20 C to +75 C |
| Temperature Grade | Commercial |
| Digital I/O Compatibility | CMOS |
| Standby Mode | Yes |
| RoHS 狀態 | Compliant |
ADC1002S020HL/C1 腳位配置
| 腳位 1 | D9 — Data output bit 9 (MSB) |
| 腳位 2 | D8 — Data output bit 8 |
| 腳位 3 | D7 — Data output bit 7 |
| 腳位 4 | D6 — Data output bit 6 |
| 腳位 5 | D5 — Data output bit 5 |
| 腳位 6 | D4 — Data output bit 4 |
| 腳位 7 | D3 — Data output bit 3 |
| 腳位 8 | D2 — Data output bit 2 |
| 腳位 9 | D1 — Data output bit 1 |
| 腳位 10 | D0 — Data output bit 0 (LSB) |
| 腳位 11 | DVDD — Digital supply voltage |
| 腳位 12 | DGND — Digital ground |
| 腳位 13 | STBY — Standby mode control |
| 腳位 14 | OE — Output enable |
| 腳位 15 | CLK — Clock input |
| 腳位 16 | CLKDLY — Clock delay control |
| 腳位 17 | DGND — Digital ground |
| 腳位 18 | DVDD — Digital supply voltage |
| 腳位 19 | AGND — Analog ground |
| 腳位 20 | REFIN — Reference input |
| 腳位 21 | REFOUT — Reference output |
| 腳位 22 | AVDD — Analog supply voltage |
| 腳位 23 | AGND — Analog ground |
| 腳位 24 | AIN+ — Analog input positive |
| 腳位 25 | AIN- — Analog input negative |
| 腳位 26 | AGND — Analog ground |
| 腳位 27 | AVDD — Analog supply voltage |
| 腳位 28 | NC — Not connected |
| 腳位 29 | NC — Not connected |
| 腳位 30 | NC — Not connected |
| 腳位 31 | NC — Not connected |
| 腳位 32 | NC — Not connected |
典型應用
ADC1002S020HL/C1 適用於 6 應用s: Professional Video Digitization, IF Signal Sampling, Industrial Data Acquisition, Medical Imaging Front-End, Test and Measurement Instrumentation, CCD/CIS Sensor Digitization.
Professional Video Digitization
The ADC1002S020HL/C1's 10-bit resolution at 20 MSPS makes it well-suited for digitizing standard-definition analog video signals up to the Nyquist limit of 10 MHz. Its differential analog inputs reject common-mode noise from long cable runs typical in broadcast and studio environments, while the parallel CMOS interface streams pixel data directly to FPGA video processing pipelines. The wide 3.0 V to 5.25 V analog supply range allows operation from 3.3 V or 5 V system rails commonly used in professional video equipment.
推薦
IF Signal Sampling
For intermediate-frequency (IF) signal sampling in communications receivers, the ADC1002S020HL/C1 delivers the 20 MSPS throughput needed to capture IF bands below 10 MHz with adequate alias protection. According to the datasheet, its pipelined architecture and differential input structure preserve signal integrity, while the integrated standby mode allows power gating between receive bursts. The 32-LQFP package is small enough for compact radio designs.
推薦
Industrial Data Acquisition
The ADC1002S020HL/C1 supports industrial multi-channel data-acquisition systems where 10-bit resolution at 20 MSPS is sufficient for vibration, acoustic, or process-control signal capture. According to the datasheet, its commercial temperature grade of -20 C to +75 C covers most factory-floor enclosures, and the parallel output simplifies interfacing to legacy microcontrollers. Standby mode allows per-channel power gating in multiplexed architectures.
推薦
Medical Imaging Front-End
In ultrasound and endoscopy front-ends, the ADC1002S020HL/C1's 20 MSPS sample rate captures returning echo signals while the 10-bit resolution preserves dynamic range for diagnostic interpretation. The differential input structure minimizes pickup from adjacent high-voltage pulser circuitry. The 32-LQFP package is hand-solderable for prototype builds, while the commercial temperature grade suits controlled clinical environments.
推薦
Test and Measurement Instrumentation
The ADC1002S020HL/C1 integrates well into digital oscilloscope, spectrum analyzer, and bench instrumentation front-ends where 10-bit resolution at 20 MSPS is sufficient for mid-tier measurement accuracy. Its parallel output interface directly drives display controllers or buffer memory without requiring serializer overhead. The 3.0 V to 5.25 V supply range accommodates both analog and digital rail combinations in mixed-signal instruments.
推薦
CCD/CIS Sensor Digitization
For line-scan or area-scan CCD/CIS imaging applications, the ADC1002S020HL/C1's 20 MSPS sample rate matches the pixel clock rates typical of mid-resolution image sensors. The differential input structure rejects switching noise from nearby sensor drivers, while the parallel CMOS outputs feed directly into image signal processors (ISPs) or FPGAs. Standby mode enables per-line power gating to reduce sensor-board power consumption.
推薦
推薦產品摘要
工程參考資料，適用於 ADC1002S020HL/C1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADC1002S020HL/C1:1 | ADC1002S020HL | ADC1002S020HL-C1 | ADS7813UB/1K | ADC081S051CISDX/NOPB |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (SOT401-1) | 32-LQFP (SOT401-1) - same | 32-LQFP (SOT401-1) - same | 32-LQFP (SOT401-1) - same | SOIC-28 | 8-WSON |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Renesas Electronics | Texas Instruments | Texas Instruments |
| Resolution | 10 bits | 10 bits | 10 bits | 10 bits | 12 bits | 8 bits |
| Data Interface | Parallel | Parallel | Parallel | Parallel | Serial | SPI/Serial |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | SAR | SAR |
| Input Type | Differential | Differential | Differential | Differential | Single-ended | Single-ended |
主要差異化特點
- Pipelined architecture at 20 MSPS in 32-LQFP (對比ADS7813UB/1K)
- Differential analog inputs with parallel CMOS output (對比ADC081S051CISDX/NOPB)
- Wide 3.0 V to 5.25 V analog supply range (對比ADC1002S020HL-C1 (Renesas))
設計說明
Estimated: Decouple AVDD and DVDD separately with 100 nF ceramic capacitors placed within 5 mm of the supply pins, plus a 10 uF bulk capacitor on each rail. According to the NXP datasheet, the ADC draws separate currents for analog and digital sections; mixed decoupling prevents switching noise on the digital rail from coupling into the analog sampling path. For systems with shared supplies, place a ferrite bead between AVDD and DVDD upstream of the local capacitors.
Route the analog differential input pair (AIN+, AIN-) as a matched-impedance, length-matched pair with continuous ground reference beneath. According to the NXP datasheet typical application, the analog inputs should be AC-coupled with 10 nF capacitors to remove DC offset. Keep the clock trace short and isolated from the analog inputs to minimize jitter injection into the sampling instant, which directly degrades SNR.
Drive the CLK input with a low-jitter, fast-edge clock source (jitter < 5 ps RMS) to maximize SNR. According to the NXP datasheet, SNR is directly degraded by aperture uncertainty at the sampling instant. Place a clock buffer close to the ADC if the source is shared with other devices, and use a controlled-impedance trace with a series termination resistor matched to the source impedance to prevent overshoot.
Do not operate the ADC1002S020HL/C1 above 5.25 V on AVDD - permanent damage will occur. The standby pin must be driven logic-high or logic-low; leaving it floating can cause unpredictable supply current. The exposed thermal pad of the LQFP-32 must be soldered to a ground copper pour for proper thermal and electrical performance - omitting this pad connection can cause thermal shutdown under continuous 20 MSPS operation at 5.25 V supply.
合規資訊
RoHS and REACH compliant per NXP product page. Commercial temperature grade; not AEC-Q100 qualified. Lead-free per JEDEC J-STD-020.
