TDA8763AM/5/C5 - 10-bit 50MSPS ADC, 28-SSOP | NXP
MPN： TDA8763AM/5/C5 ✗ 停產TDA8763AM/5/C5 概覽
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous analog voltages into discrete digital codes, forming the bridge between the analog front end and digital processing stages. Within the broader taxonomy, this device belongs to: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. The sigma-delta topology oversamples the input at a rate much higher than the Nyquist frequency and uses noise shaping to push quantization noise out of band, trading analog input bandwidth for high effective resolution.
Key features include 10-bit resolution, sampling up to 50 MHz, DC sampling capability, single-clock-cycle latency, no missing codes, an In-Range (IR) CMOS output with TTL/CMOS-compatible levels, and 9.4 effective bits at a 4.43 MHz full-scale input with a 40 MHz clock. These characteristics indicate the device is engineered for video-rate digitization where high SNR and clean mid-frequency performance are required. The IR output assists downstream clamping or gain control logic.
The part uses a switched-capacitor input structure with an internal reference. Its single-clock-cycle conversion latency simplifies synchronization in pipelined architectures, and the wide analog input bandwidth supports standard video frequencies (e.g., 4.43 MHz PAL chroma). Per the manufacturer datasheet, the device operates from a single supply and provides CMOS-level digital outputs for direct interfacing with standard ASICs, FPGAs, or DSPs.
Typical applications include video digitizers, professional broadcast equipment, industrial imaging, medical ultrasound front ends, and high-speed instrumentation. The 50 MSPS rate is well matched to standard-definition and intermediate-frequency video ADCs.
When designing with this device, place input decoupling close to the supply pins and provide a low-impedance analog input drive. The SOT341 SSOP28 package has moderate thermal resistance and requires standard 4-layer PCB layout practice for mixed-signal integrity.
This page consolidates distributor pricing, drop-in alternatives, datasheet availability, and practical design notes for the TDA8763AM/5/C5 in a single source - features not found in the manufacturer datasheet alone.
直接替換替代品，適用於 TDA8763AM/5/C5 — 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： TDA8763AM/5/C5 （相同外形與佔位） — 差異在於 Architecture, DC Sampling, Package, Sampling Rate, Operating Temperature.
TDA8763AM/3/C4
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →TDA8763AM/5/C5 最大額定值與電氣特性
| 解析度 | 10 bit |
| 取樣率 | 50 MSPS (max) |
| Architecture | Sigma-Delta, single-channel |
| Number of Inputs | 1 |
| Conversion Latency | 1 clock cycle |
| Effective Bits | 9.4 ENOB at 4.43 MHz FS, fclk=40 MHz |
| DC Sampling | Allowed |
| Missing Codes | Guaranteed none |
| Output Interface | In-Range (IR) CMOS, TTL/CMOS compatible |
| 封裝 | 28-SSOP (SOT341), 5.30 mm body width |
| Packaging | Tape & Reel (TR) |
| 工作溫度 | -40 C to +85 C |
| 安裝類型 | Surface Mount |
| Data Sheet Revision | Product specification, supersedes 1997 Feb 07; File under IC02; 1999 Jan 06 |
TDA8763AM/5/C5 28-ssop (sot341), 5.30 mm body width 腳位配置指南
TDA8763AM/5/C5（28-ssop (sot341), 5.30 mm body width 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： TDA8763AM/5/C5.
請參閱 資料表 以查看完整腳位配置。
典型應用
TDA8763AM/5/C5 適用於 6 應用s: Standard-Definition Video Digitizer, Industrial Imaging Front End, Medical Ultrasound Receive Channel, High-Speed Instrumentation Digitizer, Professional Broadcast Equipment, Communication IF Sampling.
Standard-Definition Video Digitizer
The TDA8763AM/5/C5 fits standard-definition video digitization because its 50 MSPS sampling rate exceeds the 14.3 MHz chroma bandwidth required for 4fsc PAL digitizers, and its 9.4 ENOB at 4.43 MHz full-scale input delivers sufficient SNR for broadcast-grade video. The single-clock-cycle latency simplifies sync with downstream MPEG encoders, and the In-Range CMOS output drives a video ASIC or FPGA capture port directly. Placed between the analog front end and a digital encoder, it removes the need for an external clamping gain stage. Compared to a discrete flash ADC plus op-amp chain, this single-chip solution reduces board area and BOM cost while keeping noise within broadcast tolerances.
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Industrial Imaging Front End
For industrial line-scan and area-scan cameras, the TDA8763AM/5/C5 provides 10-bit resolution at up to 50 MSPS, sufficient for monochrome machine vision at moderate line rates. The DC sampling capability simplifies calibration routines that require DC-coupled inputs, and the no-missing-codes guarantee keeps the histogram clean for defect-detection algorithms. The 28-SSOP package is footprint-compatible with most 28-pin ADC layouts, easing PCB migration. Power consumption is moderate, allowing fanless industrial enclosure designs. Its IR output can be wired to a CPLD gain controller to extend dynamic range without adding an external detector.
推薦
Medical Ultrasound Receive Channel
The TDA8763AM/5/C5 is used in entry-level ultrasound receive paths where its 10-bit 50 MSPS conversion digitizes the post-TGC analog signal at sufficient fidelity for B-mode imaging. The single-clock-cycle latency aligns cleanly with the beamformer clock domain, allowing direct sample-and-hold into the delay-and-sum pipeline. Its CMOS/TTL-compatible outputs interface with legacy ultrasound ASICs without level translation. While not suitable for harmonic or premium 12-bit imaging, the part remains viable in cost-engineered portable ultrasound SKUs. The IR output supports automatic gain reduction in saturated channels.
推薦
High-Speed Instrumentation Digitizer
In test and measurement instruments such as oscilloscope front ends and waveform digitizers, the TDA8763AM/5/C5 can serve as a low-cost 50 MSPS capture channel where 10-bit resolution is acceptable. Its DC sampling allowed specification simplifies calibration of DC offsets, and the no-missing-codes guarantee preserves monotonicity for amplitude measurements. Driving the analog input from a low-impedance op-amp buffer ensures the converter's switched-capacitor input does not distort fast transients. The In-Range flag can trigger an external attenuator to extend dynamic range.
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Professional Broadcast Equipment
The TDA8763AM/5/C5 is qualified into legacy broadcast routing and processing gear where its 10-bit 50 MSPS performance meets composite and component video digitizer requirements. The TTL/CMOS-compatible outputs interface directly with ECL-to-CMOS translatorless backplanes in older routers, simplifying retrofit designs. Its wide operating temperature range (-40 C to +85 C) suits outdoor head-end and satellite uplink environments. The 28-SSOP package fits the compact PCB assemblies typical of 1U rack-mount frames.
推薦
Communication IF Sampling
For intermediate-frequency sampling in narrowband communication receivers, the TDA8763AM/5/C5 captures IF signals up to 4.43 MHz with sufficient dynamic range for demodulation in DSP. The 50 MSPS clock supports digital downconversion architectures and sigma-delta noise shaping pushes quantization noise out of the signal band. Its single-clock-cycle latency simplifies the demodulator's timing recovery loop. As a cost-engineered 10-bit option, it is well suited to fixed-function narrowband radio modules.
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推薦產品摘要
工程參考資料，適用於 TDA8763AM/5/C5 — 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 | TDA8763AM/3/C4 |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Package | 28-SSOP (SOT341) | 28-SSOP (SOT341) - same |
| Resolution | 10 bit | 10 bit |
| Sampling Rate (max) | 50 MSPS | 50 MSPS |
| Architecture | Sigma-Delta | Sigma-Delta |
| Output Interface | IR CMOS, TTL/CMOS levels | IR CMOS, TTL/CMOS levels |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C |
| Lifecycle Status | Obsolete | Obsolete (same family) |
主要差異化特點
- Speed-grade part within the TDA8763A family (對比TDA8763AM/3/C4)
- In-Range CMOS output integrated (對比Generic 10-bit flash ADCs)
- 50 MSPS in SSOP28 with no missing codes (對比Lower-speed 10-bit SAR ADCs (e.g., MAX1062))
設計說明
Use a 4-layer PCB with continuous ground plane beneath the 28-SSOP footprint. Place 0.1 uF ceramic decoupling caps within 3 mm of each VDD pin and a single 10 uF tantalum or ceramic bulk cap on the analog supply. Keep digital output traces short and routed away from the analog input pin to minimize digital coupling into the switched-capacitor input.
Drive the analog input through a low-impedance op-amp buffer (e.g., less than 50 ohm output impedance at the converter's input bandwidth). The switched-capacitor input structure creates transient charge injection glitches at the clock edges; a series input resistor of 10-33 ohm dampens kickback. For video applications, AC-couple with 0.1 uF and provide DC restore through the IR feedback loop.
Do not assume the /5 grade is interchangeable with /3 or /4 grades without verifying timing against your specific clock frequency. Although the pinout and basic functionality are identical, parametric differences (sampling edge skew, analog input bandwidth) may matter in marginal timing budgets. Always revalidate SNR and SFDR at the actual fclk used in your design before substituting parts in production.
合規資訊
RoHS/REACH compliance not stated in the verified NXP datasheet excerpt; the part predates widespread RoHS documentation. Lead-free and halogen-free status also unspecified - verify with NXP or distributor documentation before use in RoHS-bound assemblies.
