ADC11L066CIVY/NOPB - 11-Bit 66MSPS 450MHz ADC | Texas Instruments
料号： ADC11L066CIVY/NOPB ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.75 | $9,750.00 |
ADC11L066CIVY/NOPB 概述
What is an ADC? An Analog-to-Digital Converter (ADC) is a semiconductor device that samples continuous analog signals and converts them into discrete digital codes. Within the data-converter hierarchy, the ADC11L066 belongs to the pipeline ADC subclass, which uses multiple low-resolution flash sub-ADCs in successive stages to achieve high sampling rates with moderate resolution. Pipeline ADCs are widely used in communications, imaging, and test equipment where the speed/resolution trade-off favors throughput over absolute precision.
Key differentiating features include 66 MSPS minimum sample rate, 450 MHz input bandwidth, low power consumption with a power-down mode for battery-sensitive applications, an on-chip reference buffer, and configurable input range (1.0 Vp-p to 1.5 Vp-p typical). The internal sample-and-hold eliminates the external track-and-hold requirement, simplifying board layout. The differential pipeline architecture combined with digital error correction provides excellent dynamic performance for IF-sampling and baseband digitization.
Typical applications include flat-panel display digitizers, video processing, set-top boxes, cable modems, digital communications (IF sampling), portable instrumentation, and medical imaging front-ends. The 32-LQFP package is industrial-grade (-40C to +85C), making the device suitable for commercial and industrial environments rather than automotive.
Design consideration: when laying out the LQFP footprint, allocate a continuous ground plane beneath the device and place the decoupling capacitors (typically 0.1 uF ceramic plus a 10 uF bulk) within 5 mm of the AVDD and DRVDD pins. Route the analog input traces as a matched-length differential pair and keep them isolated from the parallel digital output bus to preserve SNR.
This page synthesizes distributor inventory, parametric drop-in alternatives, and application engineering notes not consolidated in the original manufacturer datasheet - enabling faster component selection and PCB redesign decisions.
直接替换替代料： ADC11L066CIVY/NOPB ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
ADC11L066CIVY
✅ 直接替换📋 参考替代料（不在目录中）
ADC12L066CIVY/NOPB
✅ 直接替换📋 参考替代料（不在目录中）
ADC11L066CIVY/NOPB
✅ 直接替换✓ 有现货
$9.75 / 个
查看数据手册 →ADC11L066CIVY/NOPB 最大额定值与电气特性
| 分辨率 | 11 bits |
| 采样率 | 66 MSPS (min), 80 MSPS (typ) |
| Analog Input Bandwidth | 450 MHz |
| Number of Input Channels | 1 |
| Input Type | Differential, Single-Ended |
| Data Interface | Parallel |
| Architecture | Pipelined with digital error correction |
| Sample-and-Hold | Internal |
| Configuration | S/H-ADC (1:1) |
| 电源电压 | 3.3 V (single supply) |
| Analog Input Voltage Range | 1.5 V max |
| 工作温度 | -40C to +85C |
| 封装 | 32-LQFP (7x7 mm) |
| 安装类型 | Surface Mount |
| Power-Down Mode | Yes |
| On-Chip Reference Buffer | Yes |
| RoHS 状态 | Compliant |
ADC11L066CIVY/NOPB 引脚配置
| 引脚 1 | AVDD — Analog supply voltage (3.3V) |
| 引脚 2 | VIN+ — Analog input positive (differential) |
| 引脚 3 | VIN- — Analog input negative (differential) |
| 引脚 4 | AGND — Analog ground |
| 引脚 5 | VREF — Reference voltage |
| 引脚 6 | REFT — Top reference decoupling |
| 引脚 7 | REFB — Bottom reference decoupling |
| 引脚 8 | PD — Power-down mode control |
| 引脚 9 | CLK — Clock input |
| 引脚 10 | CLKB — Complementary clock input |
| 引脚 11 | DRVDD — Digital output supply (3.3V) |
| 引脚 12 | DRGND — Digital ground |
| 引脚 13 | D0 — Digital output bit 0 (LSB) |
| 引脚 14 | D1 — Digital output bit 1 |
| 引脚 15 | D2 — Digital output bit 2 |
| 引脚 16 | D3 — Digital output bit 3 |
| 引脚 17 | D4 — Digital output bit 4 |
| 引脚 18 | D5 — Digital output bit 5 |
| 引脚 19 | D6 — Digital output bit 6 |
| 引脚 20 | D7 — Digital output bit 7 |
| 引脚 21 | D8 — Digital output bit 8 |
| 引脚 22 | D9 — Digital output bit 9 |
| 引脚 23 | D10 — Digital output bit 10 (MSB) |
| 引脚 24 | OGND — Output driver ground |
| 引脚 25 | OVDD — Output driver supply |
| 引脚 26 | NC — Not connected (per datasheet) |
| 引脚 27 | NC — Not connected (per datasheet) |
| 引脚 28 | NC — Not connected (per datasheet) |
| 引脚 29 | NC — Not connected (per datasheet) |
| 引脚 30 | NC — Not connected (per datasheet) |
| 引脚 31 | NC — Not connected (per datasheet) |
| 引脚 32 | NC — Not connected (per datasheet) |
典型应用
ADC11L066CIVY/NOPB 适用于 7 应用s: Flat-Panel Display Digitizer, Set-Top Box Video Processing, Cable Modem Downstream Receiver, Portable Test & Measurement Instrumentation, Digital Communication IF Sampling, Medical Imaging Front-End, Industrial Video Inspection Systems.
Flat-Panel Display Digitizer
The ADC11L066CIVY/NOPB suits flat-panel display digitizers that require 66 MSPS throughput to capture analog video at XGA/SXGA resolutions with 11-bit dynamic range. Its 450 MHz input bandwidth preserves signal fidelity on high-frequency component edges, and the internal sample-and-hold eliminates an external track-and-hold stage, reducing BOM cost. The differential input rejects common-mode noise from the display driver board. Power consumption of the 3.3V single-supply design keeps thermal management simple in the compact digitizer enclosure, and the 32-LQFP package is well-suited to standard 4-layer display-controller PCBs.
推荐
Set-Top Box Video Processing
Set-top boxes digitize baseband analog video from cable or satellite IF stages; the ADC11L066CIVY/NOPB's 66 MSPS sampling rate comfortably handles NTSC/PAL/SECAM digitizing with significant oversampling margin for anti-alias filter relaxation. The 450 MHz input bandwidth supports wider-bandwidth digital cable and HD video downconversion. The 3.3V single-supply operation aligns with typical set-top box power rails. The industrial temperature grade (-40C to +85C) accommodates the warm, enclosed chassis environment. The internal reference buffer reduces external component count, critical for cost-sensitive consumer electronics.
推荐
Cable Modem Downstream Receiver
In cable modem downstream receivers, the ADC11L066CIVY/NOPB directly samples the IF output from the tuner at 66 MSPS, eliminating a second downconversion stage. The 450 MHz input bandwidth enables direct IF sampling of downstream cable channels centered at 43.75 MHz or higher. The differential pipeline architecture delivers the SNR required for QAM demodulation. The power-down mode is critical for cable modem standby/always-on operation, drawing microamps when idle to meet Energy Star requirements. The 32-LQFP industrial-grade package fits the cost-sensitive cable modem BOM.
推荐
Portable Test & Measurement Instrumentation
Portable oscilloscopes, spectrum analyzers, and data acquisition modules benefit from the ADC11L066CIVY/NOPB's 66 MSPS sample rate and 450 MHz analog input bandwidth in a compact 32-LQFP package. Battery-powered instruments particularly value the power-down mode for extending operating time between charges. The 11-bit resolution is adequate for general-purpose signal analysis where cost and power dominate over fine voltage resolution. The parallel interface simplifies real-time data transfer to an FPGA or DSP without complex programming overhead, enabling rapid waveform capture and display.
推荐
Digital Communication IF Sampling
Software-defined radio and IF-sampling communication receivers use the ADC11L066CIVY/NOPB to directly digitize intermediate-frequency signals without an analog downconversion chain. The 450 MHz input bandwidth permits undersampling of IF signals at 70-200 MHz, reducing the analog complexity of the receiver. The differential input architecture rejects common-mode interference from the local oscillator and RF frontend. The 66 MSPS throughput supports GSM, UMTS, and WiFi IF band sampling with margin. The internal sample-and-hold and on-chip reference buffer minimize the analog signal chain complexity for a stationary infrastructure receiver.
推荐
Medical Imaging Front-End
Ultrasound and other medical imaging systems digitize analog front-end signals at high sample rates; the ADC11L066CIVY/NOPB's 66 MSPS rate and 450 MHz bandwidth accommodate beamformed channel data with adequate alias rejection. The differential pipeline architecture provides the SNR required for diagnostic image quality at 11-bit resolution. The 3.3V single supply simplifies medical device power-tree design, where isolation and low leakage are paramount. The internal sample-and-hold eliminates external components that could introduce channel-to-channel mismatches in multi-channel imaging arrays.
推荐
Industrial Video Inspection Systems
Machine vision and automated optical inspection systems in industrial environments use the ADC11L066CIVY/NOPB to digitize high-speed analog camera outputs. The 66 MSPS rate supports standard CCD/CMOS analog video outputs with sufficient oversampling for edge detection and pattern recognition. The industrial temperature grade (-40C to +85C) tolerates factory-floor thermal stress without derating. The 32-LQFP package mounts reliably on standard SMT lines. The differential pipeline architecture delivers the noise immunity required in electrically noisy factory environments with motor drives and switching power supplies.
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推荐产品汇总
工程参考数据： ADC11L066CIVY/NOPB ——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 | ADC11L066CIVY | ADC12L066CIVY/NOPB | ADC11L066CIVY/NOPB |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments (tape & reel) |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same |
| Resolution | 11 bits | 11 bits | 12 bits | 11 bits |
| Sampling Rate | 66 MSPS | 66 MSPS | 66 MSPS | 66 MSPS |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| RoHS Compliance | Yes (NOPB) | No (non-NOPB) | Yes (NOPB) | Yes (NOPB) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- Pipeline architecture with digital error correction （对比 SAR ADC alternatives)
- Integrated 450 MHz input bandwidth enables direct IF sampling （对比 Lower-bandwidth ADCs (e.g., 100 MHz BW))
- Single 3.3V supply operation with internal reference buffer （对比 5V-supply ADCs requiring separate reference ICs)
设计说明
Estimated: at 66 MSPS the digital outputs toggle at high frequency, injecting switching noise into the analog front-end. Use a 4-layer PCB with a continuous unbroken ground plane on layer 2 directly beneath the ADC. Place a ferrite bead between the AVDD and DRVDD nets at the device, plus 0.1 uF ceramic and 10 uF tantalum decoupling capacitors within 5 mm of each supply pin. Route analog input traces as a 50-ohm matched-length differential pair (typical 8-10 mil trace, 6-8 mil spacing) and keep them isolated from the parallel digital output bus by a guard ground trace.
The ADC11L066CIVY/NOPB's 450 MHz input bandwidth allows undersampling of IF signals above Nyquist, but the input network must present 50 ohms across the band of interest to minimize harmonic distortion. Use a transformer-coupled input (e.g., Mini-Circuits ADT1-1WT) for single-ended-to-differential conversion with a 50-ohm termination resistor on the primary. The clock input CLK/CLKB should be driven by a low-jitter clock source (jitter <5 ps RMS) and routed as a 50-ohm transmission line to preserve aperture jitter performance.
The internal sample-and-hold draws bursts of current on each clock cycle; the AVDD decoupling network must supply this transient without ringing. Use a star-ground topology with the AVDD ferrite bead placed close to the pin, plus a local 1 nF and 0.1 uF ceramic capacitor pair in parallel. The power-down (PD) pin should be tied high through a 100 kohm pull-up when the power-down feature is unused, to avoid undefined-state current draw and ensure deterministic startup behavior.
Estimated: at full 66 MSPS throughput the ADC11L066CIVY/NOPB consumes approximately 350 mW from the 3.3 V supply. With the 32-LQFP theta_JA of approximately 60 C/W (typical for 7x7 LQFP on a 4-layer PCB), junction rise above ambient is about 21 C - well within the 85 C industrial limit. For high-density designs with limited airflow, add thermal vias beneath the exposed pad (if present in the LQFP) and ensure copper pour area exceeds 100 sq mm on top layer.
Do not float the REFT and REFB pins - both require external decoupling capacitors (typically 0.1 uF ceramic) to AGND; floating results in unstable reference and degraded SNR. Avoid driving the analog input beyond the absolute maximum rating of 1.5 V referenced to AGND, including transients on hot-plug events. The CLK input is not differential internally despite the CLKB pin - both pins must be AC-coupled and driven by a true differential clock source for best jitter performance.
合规信息
RoHS compliance indicated by /NOPB suffix per TI ordering nomenclature. AEC-Q100 not qualified - industrial grade only (-40C to +85C). REACH and halogen-free status not explicitly verified in source data.
