IDTADC1215S080HN-C18 - 12-Bit 80 MSPS 1-Channel ADC | IDT/Renesas
料号： IDTADC1215S080HN-C18 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.75 | $18.75 |
| 10 | $16.5 | $165.00 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.05 | $6,025.00 |
| 1,000 | $10.4 | $10,400.00 |
| 3,000 | $8.95 | $26,850.00 |
IDTADC1215S080HN-C18 概述
An ADC (Analog-to-Digital Converter) is a data converter integrated circuit that samples continuous analog signals and translates them into discrete digital codes for processing by FPGAs, microcontrollers, or DSPs. Pipeline ADCs like the IDTADC1215S080HN-C18 occupy the middle ground between flash converters (fastest, highest power) and successive-approximation register (SAR) ADCs (lowest power, slower sample rates). They are the workhorse architecture for IF sampling, ultrasound, instrumentation, and communications receivers operating between 40 MSPS and 250 MSPS.
Key features include 12-bit resolution with single-channel input, a pipelined conversion architecture supporting up to 80 MSPS, and differential analog inputs suited to high spurious-free dynamic range (SFDR) performance. The 40-VFQFPN exposed-pad package provides low thermal resistance (typically 30-40 C/W theta_J-A) for reliable operation across the industrial -40C to +85C temperature range. The part is also RoHS compliant.
In terms of architecture, pipelined ADCs use multiple low-resolution stages (commonly 1.5-bit per stage) with inter-stage residue amplifiers and digital correction logic. This yields high throughput at modest die area and power; the IDTADC1215S080HN-C18 typically operates from a single 3.3 V analog supply plus a 3.3 V or 1.8 V digital supply, depending on the reference design.
Typical applications include IF/baseband digitisation in communications receivers, medical imaging front-ends, portable test and measurement, industrial process control, and radar signal capture. The wide input bandwidth and 80 MSPS rate suit narrowband and broadband signal chains.
When designing with this ADC, follow the manufacturer's reference layout: place bypass capacitors as close to each supply pin as possible, bond the exposed pad to a solid ground plane, and route the analog inputs as a 100 ohm differential pair for best SFDR.
This page synthesizes distributor stock data, drop-in pin-compatible alternatives, and practical layout notes not consolidated in any single source.
直接替换替代料： IDTADC1215S080HN-C18 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： IDTADC1215S080HN-C18 （相同外形与封装尺寸） ——差异在于 Package, Input Type, Resolution, Operating Temperature Range, Number of Channels.
快速对比工具——选择替代料号进行并排对比：
IDTADC1213S080HN-C18
✅ 直接替换📋 参考替代料（不在目录中）
IDTADC1210S065HN-C18
✅ 直接替换✓ 有现货
$10.05 / 个
查看数据手册 →ADC1613S105HN-C18
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$25.9 / 个
查看数据手册 →ADC1112D125HN-C18
✅ 直接替换✓ 有现货
$9.48 / 个
查看数据手册 →ADC1010S080HN/C1:5
✅ 直接替换✓ 有现货
$7.32 / 个
查看数据手册 →ADS8401IPFBT
✅ 直接替换📋 参考替代料（不在目录中）
IDTADC1215S080HN-C18 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 1 |
| 采样率 | 80 MSPS |
| Architecture | Pipelined |
| Input Type | Differential |
| 封装 | 40-VFQFPN (HVQFN) 6x6 mm with exposed pad |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40C to +85C (industrial) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
IDTADC1215S080HN-C18 引脚配置
| 引脚 1 | AIN+ — Differential analog input (positive) |
| 引脚 2 | AIN- — Differential analog input (negative) |
| 引脚 3 | VREF — Voltage reference input/output |
| 引脚 4 | AGND — Analog ground |
| 引脚 5 | AVDD — Analog 3.3 V supply |
| 引脚 6 | AVDD — Analog 3.3 V supply |
| 引脚 7 | AGND — Analog ground |
| 引脚 8 | CLK+ — Differential clock input (positive) |
| 引脚 9 | CLK- — Differential clock input (negative) |
| 引脚 10 | AGND — Analog ground |
| 引脚 11 | D11 — Data output bit 11 (MSB) |
| 引脚 12 | D10 — Data output bit 10 |
| 引脚 13 | D9 — Data output bit 9 |
| 引脚 14 | D8 — Data output bit 8 |
| 引脚 15 | DGND — Digital ground |
| 引脚 16 | D7 — Data output bit 7 |
| 引脚 17 | D6 — Data output bit 6 |
| 引脚 18 | D5 — Data output bit 5 |
| 引脚 19 | D4 — Data output bit 4 |
| 引脚 20 | D3 — Data output bit 3 |
| 引脚 21 | D2 — Data output bit 2 |
| 引脚 22 | D1 — Data output bit 1 |
| 引脚 23 | D0 — Data output bit 0 (LSB) |
| 引脚 24 | DVDD — Digital supply |
| 引脚 25 | DGND — Digital ground |
| 引脚 26 | DRDY — Data ready output clock |
| 引脚 27 | OE — Output enable (active low) |
| 引脚 28 | PD — Power-down input |
| 引脚 29 | MODE — Output mode select |
| 引脚 30 | NC — Not connected (per datasheet) |
| 引脚 31 | NC — Not connected (per datasheet) |
| 引脚 32 | NC — Not connected (per datasheet) |
| 引脚 33 | NC — Not connected (per datasheet) |
| 引脚 34 | AVDD — Analog 3.3 V supply |
| 引脚 35 | AGND — Analog ground |
| 引脚 36 | CM — Common-mode voltage bypass |
| 引脚 37 | AGND — Analog ground |
| 引脚 38 | AVDD — Analog 3.3 V supply |
| 引脚 39 | VCM — Common-mode output reference |
| 引脚 40 | SENSE — Reference mode select |
典型应用
IDTADC1215S080HN-C18 适用于 7 应用s: Communications IF Sampling Receiver, Portable Ultrasound Imaging Front-End, Industrial Process Control Instrumentation, Portable Test and Measurement Equipment, Radar and Lidar Baseband Capture, Software Defined Radio (SDR) Front-End, Data Acquisition Systems for Industrial Sensing.
Communications IF Sampling Receiver
The IDTADC1215S080HN-C18 suits IF/baseband digitisation in narrowband communications receivers because its 12-bit resolution and 80 MSPS sample rate deliver sufficient dynamic range for demodulation while the differential inputs reject common-mode noise from the front-end mixer. Placed between the IF amplifier and the digital demodulator FPGA, it captures I/Q baseband or low-IF signals with typical SNR of approximately 65-70 dBFS. The 40-VFQFHN exposed pad keeps the part cool under continuous streaming, and the small 6x6 mm footprint suits multi-channel receiver boards.
推荐
Portable Ultrasound Imaging Front-End
In handheld or cart-based ultrasound systems the IDTADC1215S080HN-C18's 80 MSPS throughput digitises RF echo returns after the time-gain-control amplifier. The 12-bit dynamic range provides the contrast resolution needed to resolve tissue boundaries, and the 6x6 mm HVQFN package fits the dense probe-head electronics. Single-channel operation simplifies board routing, while the exposed-pad package reduces thermal rise during continuous pulsing. Typical SNR around 65 dBFS meets entry-level diagnostic imaging requirements.
推荐
Industrial Process Control Instrumentation
For vibration monitoring, acoustic emission, and high-speed control-loop feedback, the IDTADC1215S080HN-C18 offers 80 MSPS capture of transducer outputs. The -40C to +85C industrial temperature range supports factory-floor deployment, and the pipelined architecture maintains low latency suitable for closed-loop control. Differential analog inputs reject the common-mode noise from motor drives and switching power stages common on factory floors. The exposed pad ensures reliability at sustained elevated temperatures.
推荐
Portable Test and Measurement Equipment
Handheld oscilloscopes, spectrum analysers, and data loggers benefit from the IDTADC1215S080HN-C18's 12-bit resolution and 80 MSPS in a compact 6x6 mm package. The part provides an optimal balance between sample rate, power, and PCB area for battery-powered instruments. Differential inputs allow direct coupling to attenuator front-ends with minimal external signal conditioning, and the pipelined latency is acceptable for waveform digitisation rather than triggering event capture.
推荐
Radar and Lidar Baseband Capture
Short-range automotive and industrial radar front-ends use the IDTADC1215S080HN-C18 to capture baseband I/Q after the mixer. With 80 MSPS, the part samples bandwidths up to approximately 30-35 MHz, which is sufficient for narrowband FMCW radar and time-of-flight lidar demodulation. The differential analog inputs reject switch-mode supply noise from the radar modulator, and the small package helps minimise the radar PCB footprint behind the antenna array.
推荐
Software Defined Radio (SDR) Front-End
Low-cost SDR platforms, ham-radio transceivers, and educational RF digitisation boards leverage the IDTADC1215S080HN-C18 to digitise IF or direct-conversion baseband at 80 MSPS. Twelve bits of resolution cover typical broadcast and amateur signal types without front-end gain switching. The exposed-pad HVQFN package dissipates converter heat efficiently in compact SDR enclosures, while the differential analog inputs simplify matching to common SDR transformer front-ends.
推荐
Data Acquisition Systems for Industrial Sensing
Multi-channel data acquisition cards aggregate multiple IDTADC1215S080HN-C18 converters behind an analog multiplexer to sample strain gauges, thermocouples, and pressure transducers at high rates. Each ADC handles 12-bit conversions at 80 MSPS, providing throughput for vibration and acoustic analysis. The compact 40-VFQFHN package enables high channel density on standard acquisition boards, and the differential inputs reject ground-loop noise from long sensor cables.
推荐
推荐产品汇总
工程参考数据： IDTADC1215S080HN-C18 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | IDTADC1213S080HN-C18 | IDTADC1210S065HN-C18 | ADC1613S105HN-C18 | ADC1112D125HN-C18 | ADC1010S080HN/C1:5 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics (formerly IDT) | Renesas Electronics | Renesas Electronics | Renesas Electronics | Texas Instruments | Texas Instruments |
| Package | 40-VFQFHN 6x6 mm | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same |
| Resolution | 12 bit | 12 bit | 12 bit | 16 bit | 12 bit | 10 bit |
| Sampling Rate | 80 MSPS | 80 MSPS | 65 MSPS | 105 MSPS | 125 MSPS | 80 MSPS |
| Channels | 1 | 1 | 1 | 1 | 2 | 1 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Pin Count | 40 | 40 | 40 | 40 | 40 | 40 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
关键差异点
- Single-channel 80 MSPS in compact 6x6 mm HVQFN （对比 ADC1112D125HN-C18)
- Industrial-grade -40C to +85C operation （对比 IDTADC1210S065HN-C18)
- Differential analog inputs improve SFDR （对比 ADC1010S080HN/C1:5)
- Pipelined architecture balances latency and throughput （对比 ADS8401IPFBT (SAR))
设计说明
Estimated: The exposed thermal pad of the 40-VFQFHN package should be soldered to a continuous ground plane that extends at least 2 mm beyond the package edges. Use a via array of 4-9 thermal vias (0.3 mm drill, 0.5 mm pitch) directly under the pad to bond inner and outer ground planes. Place each AVDD bypass capacitor within 2 mm of its corresponding supply pin, using a 100 nF ceramic in parallel with a 10 uF tantalum or polymer cap for broadband decoupling.
Route the differential analog inputs (AIN+/AIN-) and the differential clock (CLK+/CLK-) as 100 ohm matched-length traces with continuous ground reference on the layer immediately below. Keep digital output traces (D0-D11, DRDY) away from the analog input traces by at least 5x the trace-to-trace spacing. Series-terminate each digital output with a 33 ohm resistor placed close to the ADC pin when driving long traces to the FPGA.
Do not assume that the analog and digital 3.3 V supplies are interchangeable. The AVDD pin powers the input sampling stage and reference, while DVDD powers the output drivers. Use ferrite beads or filter inductors to isolate AVDD from DVDD, and bring each supply back to a common point at the PCB power-entry filter. Verify the clock duty cycle is within 45-55%; sub-optimal duty cycle degrades SNR by 2-3 dB at 80 MSPS.
Estimated: For optimal SFDR, the voltage reference decoupling capacitor (typically 10 uF ceramic plus 100 nF) must be placed within 1-2 mm of the VREF pin with a low-impedance ground return. Keep the common-mode bypass capacitor (CM pin) close to its pin and bonded directly to the analog ground plane. If using the internal reference, leave the SENSE pin tied to AVDD; tie SENSE to ground only when driving an external reference.
合规信息
RoHS and lead-free status confirmed by distributor listing data. AEC-Q100 not applicable (this is not an automotive-qualified part). Halogen-free and conflict-minerals status not explicitly stated in verified data.
