ADS2807Y/1K5G4 - Dual 12-Bit 50MSPS ADC | 64-HTQFP | Texas Instruments
料号： ADS2807Y/1K5G4 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $31.2 | $31.20 |
| 10 | $28.85 | $288.50 |
| 100 | $26.1 | $2,610.00 |
| 500 | $22.95 | $11,475.00 |
| 1,000 | $20.5 | $20,500.00 |
ADS2807Y/1K5G4 概述
The ADS2807Y/1K5G4 belongs to the broader category of high-speed analog-to-digital converters (ADC) within the data converter product family, which converts real-world analog signals into digital codes for downstream digital signal processing. ADCs sit at the boundary between the analog domain and the digital domain; speed and resolution are the two primary performance axes. A 12-bit 50 MSPS pipelined ADC is typically deployed in communications, instrumentation, and imaging systems where sample rates of tens of megahertz pair with moderate 12-bit dynamic range, balancing converter density, power, and ENOB.
Key features of the ADS2807Y/1K5G4 include a flexible 3 Vp-p input range that minimizes the need for external signal conditioning, internal or external reference selection for multi-channel tracking, low differential nonlinearity of 0.6 LSB, and an over-range flag output that simplifies gain control and protective digital logic. The 64-HTQFP package provides a low thermal resistance path for continuous operation at full sampling rate, while the parallel CMOS-compatible digital interface simplifies direct connection to ASICs, FPGAs, and standard microcontrollers.
Architecturally, the ADS2807Y/1K5G4 implements a pipelined multi-stage conversion architecture with per-stage error correction, an internal track-and-hold, and an internal reference bandgap. This topology delivers high spurious-free dynamic range (SFDR) and low aperture latency relative to successive-approximation-register (SAR) converters, making the part well suited to IF sampling and baseband quadrature digitisation.
Typical applications include communications IF/baseband receivers, basestation digitiser channels, communications test equipment, and ultrasound / imaging front ends. The wide input range accepts transformer-coupled differential signals directly, eliminating front-end amplifiers in many designs.
When designing with this device, treat the exposed thermal pad as the primary heat-dissipation path and ensure adequate multilayer PCB copper and ground stitching below the package to achieve rated thermal performance.
This page synthesizes distributor pricing, package-level drop-in alternatives within the same 64-HTQFP footprint, and practical design notes not consolidated on the manufacturer product page or catalog listings.
直接替换替代料： ADS2807Y/1K5G4 ——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： ADS2807Y/1K5G4 （相同外形与封装尺寸） ——差异在于 Data Interface, Package, Architecture, Number of Channels, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
ADS2807Y/250G4
✅ 直接替换📋 参考替代料（不在目录中）
ADS2807Y/1K5
✅ 直接替换📋 参考替代料（不在目录中）
ADS2807Y
✅ 直接替换📋 参考替代料（不在目录中）
ADS62P23IRGC25
✅ 直接替换✓ 有现货
$18.85 / 个
查看数据手册 →ADS62P22IRGC25
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$15.5 / 个
查看数据手册 →ADS2807Y/1K5G4 最大额定值与电气特性
| Manufacturer | Texas Instruments |
| Part Number | ADS2807Y/1K5G4 |
| Product Type | Analog-to-Digital Converter (ADC) |
| Number of Bits | 12 |
| Number of Channels | 2 (Dual) |
| 采样率 | 50 MSPS |
| Architecture | Pipelined |
| Data Interface | Parallel |
| Input Range | 3 Vp-p |
| Signal-to-Noise Ratio (SNR) | 68 dB at 3 Vp-p |
| Differential Nonlinearity (DNL) | 0.6 LSB |
| Power Consumption | 720 mW |
| Reference | Internal or External |
| 封装 / 外壳 | 64-HTQFP Exposed Pad (10x10 mm) |
| Packaging | Tape & Reel (TR), 1,500-piece reel |
| 工作温度 | -40C to +85C (Industrial) |
| Over-Range Flag | Yes |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
ADS2807Y/1K5G4 64-htqfp exposed pad (10x10 mm) 引脚配置指南
ADS2807Y/1K5G4（64-htqfp exposed pad (10x10 mm) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： ADS2807Y/1K5G4.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADS2807Y/1K5G4 适用于 6 应用s: Communications IF / Baseband Receiver, Communications Test Equipment, Ultrasound and Imaging Front Ends, Industrial Instrumentation and Data Acquisition, Software-Defined Radio (SDR) Modems, Cable and Broadband Head-End Equipment.
Communications IF / Baseband Receiver
The ADS2807Y/1K5G4 digitises intermediate-frequency (IF) and baseband signals in software-defined-radio receivers, basestation transceiver chains, and diversity receivers. Its 50 MSPS sampling rate captures IF spectra up to ~25 MHz under Nyquist with comfortable margin, while the dual-channel integration lets one IC service I/Q or diversity signal pairs. The 3 Vp-p flexible input range accepts transformer-coupled IF signals directly, and the 68 dB SNR provides the dynamic range demanded by QAM/PSK demodulation. Estimated: at 50 MSPS operation both channels draw 720 mW total - well within TQFP-64 thermal limits provided the exposed pad is soldered to a multilayer ground pour. Cost-effective versus higher-sample-rate parts when IF bandwidth stays below ~20 MHz.
推荐
Communications Test Equipment
Production and bench test instruments for cellular, Wi-Fi, and cable infrastructure benefit from the ADS2807Y/1K5G4's combination of wide input range, dual-channel integration, and parallel data bus that streamlines capture into an FPGA or ASIC. The internal/external reference selection simplifies calibration of multi-channel instruments - an external reference can drive multiple ADCs for matched gain tracking across measurement channels. The over-range flag pin simplifies autoranging front-end logic, while the 64-HTQFP power package maintains thermal margin through continuous full-rate acquisition. Typical deployments include vector signal analysers, spectrum analyser IF stages, and cable-modem head-end digitiser cards.
推荐
Ultrasound and Imaging Front Ends
Mid-tier ultrasound beamformers and digital imaging front ends leverage the ADS2807Y/1K5G4's dual-channel density to halve board area versus discrete ADC pairs. The 12-bit resolution, 50 MSPS sample rate, and 68 dB SNR match the dynamic range required for diagnostic ultrasound up to mid-band frequencies, while the parallel CMOS output simplifies connection to FPGA beamformer pipelines. The exposed thermal pad supports the 720 mW dissipation budget at full sample rate, and the industrial -40C to +85C temperature rating covers medical imaging environmental specs. Architects targeting higher dynamic range should pair each ADS2807Y/1K5G4 with low-noise front-end TIAs and consider 14/16-bit successors for premium channels.
推荐
Industrial Instrumentation and Data Acquisition
Multi-channel data-acquisition cards for industrial test, vibration monitoring, and process control use the ADS2807Y/1K5G4 for its integrated dual-channel architecture and high CMRR at IF. Each channel digitises transducer signals at 50 MSPS with 12-bit resolution, supporting oversampling to push effective ENOB beyond the datasheet baseline. The parallel interface connects directly to industrial FPGAs/ASICs handling FFT, modal analysis, or closed-loop control. The industrial -40C to +85C temperature rating supports factory-floor deployment; the 3 Vp-p input range simplifies conditioning for piezoelectric, current-loop, and bridge-derived signals. RoHS-compliant HTQFP-64 assembly is compatible with standard lead-free reflow profiles.
推荐
Software-Defined Radio (SDR) Modems
Wide-band SDR modems use the ADS2807Y/1K5G4 to digitise I/Q baseband or low-IF signals in a single compact 64-HTQFP footprint. The dual-channel capture aligns naturally with quadrature demodulation, eliminating the need for two ADC ICs on the same baseband chain. The 0.6 LSB typical DNL preserves modulation accuracy for QPSK through 64-QAM constellations, while 68 dB SNR supports EVM budgets typical of cellular and Wi-Fi test modems. The internal reference mode simplifies low-cost SDR module designs; the external reference mode tightens gain tracking for production telemetry. Parallel output enables direct connection to DSP/FPGA pipelines at full 50 MSPS rate.
推荐
Cable and Broadband Head-End Equipment
Cable-modem termination systems (CMTS), DOCSIS head-end receiver cards, and broadband infrastructure digitise upstream and downstream channels with the ADS2807Y/1K5G4. The dual 12-bit 50 MSPS channels handle dense channel packing downstream of the RF tuner, while the 3 Vp-p input range accepts transformer-coupled broadband signals with minimal front-end gain. Internal reference option simplifies board design where channel-to-channel gain matching is moderate; external reference mode supports tighter tracking across multiple head-end cards. The 720 mW power budget is well-served by the HTQFP-64's exposed thermal pad and standard FR-4 multilayer PCBs.
推荐
推荐产品汇总
工程参考数据： ADS2807Y/1K5G4 ——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 | ADS2807Y/250G4 | ADS2807Y/1K5 | ADS2807Y | ADS62P23IRGC25 | ADS62P22IRGC25 |
|---|---|---|---|---|---|---|
| Package | 64-HTQFP Exposed Pad (10x10 mm) | 64-HTQFP Exposed Pad (10x10 mm) - same | 64-HTQFP Exposed Pad (10x10 mm) - same | 64-HTQFP Exposed Pad (10x10 mm) - same | HTQFP-64 - same family | HTQFP-64 - same family |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Number of Channels | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) |
| Sampling Rate | 50 MSPS | 50 MSPS | 50 MSPS | 50 MSPS | 80 MSPS | 65 MSPS |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Data Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | LVDS | LVDS |
| Input Range | 3 Vp-p | 3 Vp-p | 3 Vp-p | 3 Vp-p | 2 Vp-p | 2 Vp-p |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- Identical die across all /1K5G4 / /1K5 / /250G4 / Y ordering suffixes （对比 ADS2807Y/250G4)
- Higher sample rate within same 64-HTQFP footprint family （对比 ADS62P23IRGC25)
- Dual-channel integration reduces PCB area versus discrete ADC pairs （对比 Discrete two-ADC board design)
设计说明
The 64-HTQFP exposed thermal pad is the primary heat-dissipation path for the ADS2807Y/1K5G4 at 50 MSPS operation. At 720 mW total power dissipation across both channels, the junction-to-ambient thermal resistance must be minimised by soldering the exposed pad to a continuous multilayer ground pour with at least 9 thermal vias (0.3 mm drill, 1 mm pitch). Estimated: theta_JA of the HTQFP-64 with a 4-layer 2 oz copper pour is approximately 25-30 C/W, keeping junction rise under 22C at full sample rate. Insufficient thermal management will degrade SNR and DNL performance.
Provide solid ground and power planes beneath and around the ADC. Place analog input traces as short, matched-length differential pairs with controlled 50 ohm or 100 ohm differential impedance. Keep digital parallel output traces short and length-matched within the bank to limit skew - the parallel CMOS interface has 12 outputs per channel and skew directly impacts sample-to-sample alignment. Decouple AVDD with 10 uF bulk + 0.1 uF + 0.01 uF ceramic capacitors placed within 5 mm of the supply pins. A separate DVDD rail driven by a ferrite bead from AVDD reduces digital switching noise coupling into the analog front end.
Do not leave the exposed pad floating - the ADC will thermally throttle and SNR will degrade dramatically under full-rate operation. Avoid driving the analog inputs with single-ended signals when the datasheet calls for differential drive at 3 Vp-p; this halves the effective SNR and injects common-mode noise. When using the external reference path, bypass the REF pin with at least 1 uF of low-ESR ceramic and avoid long trace runs that pick up digital noise. Verify that the ENOB does not degrade at elevated sample rates, as the ADS2807Y/1K5G4 SNR is specified at near-Nyquist input frequencies.
The clock input is critical for high-SNR performance: route the 50 MHz clock as a 50 ohm transmission line with a series termination resistor at the driver, and keep the clock trace physically separated from the analog inputs and parallel digital outputs. Use a low-jitter clock source (jitter budget below 1 ps RMS) since aperture jitter directly degrades SNR at high input frequencies per the SNR = 20*log(1/(2*pi*Fin*Tj)) relationship. For multi-ADC synchronization, distribute the clock with matched-length traces and use the SYNC pin to align internal pipeline stages; skew between ADCs manifests as fixed-pattern spurs in FFT analysis.
合规信息
RoHS compliant per distributor listings; lead-free assembly per ordering suffix. Not AEC-Q100 qualified (industrial grade only). Halogen-free status not explicitly confirmed in current product pages - verify with TI documentation.
