ADS5296RGCT - 12-Bit 80-MSPS 8-Ch ADC | Texas Instruments
料号： ADS5296RGCT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $69.5 | $69.50 |
| 10 | $62.55 | $625.50 |
| 100 | $55.6 | $5,560.00 |
| 500 | $49 | $24,500.00 |
| 1,000 | $43.5 | $43,500.00 |
ADS5296RGCT 概述
An analog-to-digital converter (ADC) is a data-converter integrated circuit that samples continuous-time analog voltage signals and outputs discrete multi-bit digital codes at a fixed sampling rate. Multi-channel pipelined ADCs such as the ADS5296RGCT fall into the broader hierarchy of data converter ICs -> ADC -> successive-approximation / pipeline / SAR / sigma-delta / flash ADC -> signal-chain semiconductor. Compared with integrating or SAR converters, pipeline ADCs deliver the highest sample rates (tens to hundreds of MSPS) while maintaining 10-14 bit resolution, at the cost of a few clock cycles of pipeline latency. The ADS5296RGCT lands squarely in the multi-channel, mid-resolution, high-speed category used in medical imaging, communications test, and industrial inspection.
Key features of the ADS5296RGCT include a 12-bit resolution with no missing codes, 70 dB SNR at 10 MHz input and 80 MSPS, an internal reference (with optional external reference), LVDS DDR and CMOS digital output modes, and per-channel power-down control. An integrated digital gain-and-offset correction block lets designers trim inter-channel matching on the fly. The integrated low-jitter PLL operates from a single LVDS/CMOS clock and generates all internal sample timing, eliminating the need for an external track-and-hold clock.
Typical applications include medical imaging receivers (ultrasound beamformers, CT detector boards), industrial machine-vision and inspection multi-channel boards, communications test equipment and wideband digitizers, and defense / surveillance phased-array front ends. Channel-count reduction at lower power is supported through software-configurable channel enabling.
When designing with the ADS5296RGCT, place the 0.1 µF / 10 µF analog-supply decoupling network within 5 mm of the AVDD pins, keep analog and digital return currents separated back to a single ground star under the exposed pad, and follow TI's recommended LVDS 100-Ω termination pattern on the digital outputs to avoid reflections at 80 MSPS. Thermal management is critical: at full-channel 80 MSPS operation the device dissipates approximately 720 mW and benefits from a 6-layer PCB thermal via array under the EP.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical 8-channel ADC design notes not found in a single distributor listing.
直接替换替代料： ADS5296RGCT ——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： ADS5296RGCT （相同外形与封装尺寸） ——差异在于 Digital I/O Supply, Operating Temperature Range, Package.
快速对比工具——选择替代料号进行并排对比：
ADS5296ARGCT
✅ 直接替换📋 参考替代料（不在目录中）
ADS5296RGCR
✅ 直接替换✓ 有现货
$38.8 / 个
查看数据手册 →ADS5294RGCT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADS5292RGCT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADS5296RGCT 最大额定值与电气特性
| 分辨率 | 12 bits |
| Number of Channels | 8 |
| Sample Rate (max per channel) | 80 MSPS |
| Architecture | Pipelined |
| Input Channels | 8 single-ended analog inputs |
| Analog Supply Voltage | 1.8 V |
| Digital I/O Supply | 1.8 V to 3.3 V |
| Power Dissipation (per channel, 80 MSPS) | 90 mW |
| SNR at 10 MHz input, 80 MSPS | 70 dB |
| Input Bandwidth (-3 dB) | 500 MHz (typ) |
| Reference | Internal (with optional external reference) |
| Digital Output Interface | LVDS DDR or CMOS |
| 工作温度范围 | -40C to +85C |
| 封装 | 64-VQFN (RGC) 9x9 mm with EP |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
ADS5296RGCT 64-vqfn (rgc) 9x9 mm with ep 引脚配置指南
ADS5296RGCT（64-vqfn (rgc) 9x9 mm with ep 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： ADS5296RGCT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADS5296RGCT 适用于 7 应用s: Medical Ultrasound Beamformer Front End, Industrial Multi-Channel Machine-Vision Inspection, Communications Test Equipment / Wideband Digitizer, Phased-Array Radar / EW Wideband Receiver, Multi-Channel Energy / Vibration Data Acquisition, Medical CT / PET Detector Front-End Digitization, High-Density Oscilloscope / Mixed-Signal Test.
Medical Ultrasound Beamformer Front End
The Texas Instruments ADS5296RGCT provides eight simultaneously-sampling 12-bit 80-MSPS channels in a 64-VQFN 9x9 mm package - exactly the channel density and dynamic-range required by ultrasound beamformer receive paths. Per-channel 70 dB SNR at 10 MHz IF directly translates to deeper penetration and finer grayscale resolution, while the 90 mW-per-channel dissipation at 80 MSPS lets compact 32- or 64-channel probe-interface boards stay within thermal envelope without forced-air cooling. Why it fits: with eight channels per chip, four ADS5296RGCTs cover 32 channels on one PCB, reducing board area vs four-channel alternative ADCs. The LVDS DDR digital output minimizes pin count while delivering clean 640 MSPS aggregate data to the FPGA beamformer downstream. Use it with the TI TX810 ultrasound pulser, an external LNA, and a TI LMH6522 variable-gain amplifier.
推荐
Industrial Multi-Channel Machine-Vision Inspection
Industrial machine-vision and PCB AOI (automated optical inspection) systems need many synchronized A/D channels sampling photodiode or line-scan sensor outputs simultaneously at 50-80 MSPS, and the ADS5296RGCT provides eight channels per chip with shared clock and reference to guarantee phase coherence across channels. The 500 MHz -3 dB input bandwidth handles fast pulsed photodiode echoes with clean settling, while the on-chip digital gain correction (one register per channel) calibrates sensor-to-sensor gain mismatch in production. Why it fits: pin-to-pin compatibility across the ADS529x family lets designers drop in the ADS5296ARGCT for higher AC performance without PCB rework. Pair with a TI LMH6629 input buffer, an external low-jitter LVDS clock like the CDCE6214, and a Xilinx Kintex-class FPGA (for example XC7S50-2CSGA324I in the XAIPART catalog) for downstream processing.
推荐
Communications Test Equipment / Wideband Digitizer
The ADS5296RGCT is well-suited to wideband IF digitizer cards in communications test equipment, spectrum analyzers, and software-defined-radio (SDR) receivers that need eight channels of coherent 12-bit 80 MSPS capture on a single board. Each channel's 70 dB SNR at 10 MHz IF combined with the on-chip low-jitter PLL gives flexibility on the input-clock source, simplifying board design versus PLL-less ADCs. Why it fits: the LVDS DDR output interface preserves timing margin across FR-4 backplane to the FPGA at 80 MSPS data rate per channel, and at 720 mW total the ADC is modest to cool even in a sealed chassis. A natural system partners is a TI LMK04828 clock conditioner plus a Xilinx Kintex-7 FPGA such as XC7K325T, and an LMX2594 wideband PLL for the LO.
推荐
Phased-Array Radar / EW Wideband Receiver
Phased-array radar and electronic-warfare (EW) receiver cards require many synchronized ADCs sampling at high IF with low latency, and the ADS5296RGCT's eight 12-bit 80-MSPS channels with on-chip PLL deliver an aggregate 640 MSPS throughput in a tightly integrated 64-VQFN footprint. The 90 mW per channel power dissipation keeps the thermal profile of 8- or 16-element sub-arrays manageable without exotic PCB stack-ups. Why it fits: phase-coherent simultaneous sampling across channels is essential for digital beamforming, and the shared clock and reference of the ADS5296RGCT family guarantee that synchronization. Compatible companion parts: TI ADC32RF45 (for higher IF applications), TI LMX2694 wideband LO, and a Kintex Ultrascale+ FPGA such as the XCKU035 family for back-end processing.
推荐
Multi-Channel Energy / Vibration Data Acquisition
The ADS5296RGCT suits high-channel-count data-acquisition systems (DAQS) used in energy exploration (seismic), vibration monitoring, and sonar receivers because it offers eight simultaneously-sampling 12-bit 80 MSPS ADCs per chip with per-channel power-down control to scale to lower sample rates at lower power. With eight channels per IC and 64-VQFN 9x9 mm footprint, designers can pack 64 or 128 channels into a single 6U board by ganging multiple ADS5296RGCTs on parallel clock and reference trees. Why it fits: pin-to-pin family compatibility with the ADS5294 (50 MSPS) and ADS5292 (10-bit) lets designers seed-with-protype and ramp-with-production from a single board. Companion parts include TI REF5025 voltage reference, TI OPA2277 op-amp front end, and TI ISO7640FM isolation.
推荐
Medical CT / PET Detector Front-End Digitization
Computed-tomography (CT) and positron-emission-tomography (PET) scanner detector boards use multi-channel ADCs to digitize scintillation-photodiode pulses from many detector elements, and the ADS5296RGCT provides eight channels at 80 MSPS in a 64-VQFN 9x9 mm footprint - exactly what is required to digitize 64 or more detector channels within the tight geometry of a CT gantry ring. Its on-chip digital gain-and-offset correction block supports per-channel calibration to compensate photodiode gain variations. Why it fits: low channel-channel latency mismatch is essential for PET coincidence detection, and the pipelined architecture introduces only a few clock cycles of deterministic latency. Compatible parts include TI AFE2256 front-end, TI LMH6517 variable-gain amp, and a TI TMS320C6655 DSP for back-end image reconstruction.
推荐
High-Density Oscilloscope / Mixed-Signal Test
Modular oscilloscope and mixed-signal test equipment benefit from the ADS5296RGCT's eight 12-bit 80 MSPS channels sharing a common clock: when stacked, four ADS5296RGCT ICs yield 32 channels in a small PCB area, enough for a 4-channel oscilloscope with deep-channel-count expansion. Why it fits: the 500 MHz -3 dB input bandwidth covers most analog and digital signal probing needs up to the second Nyquist zone, while the LVDS DDR output minimizes the FPGA pin-count and wiring-density overhead. Companion parts: TI THS4631 FET-input buffer, TI OPA656 input op-amp, and TI LMP7704 signal-conditioning quad op-amp.
推荐
推荐产品汇总
工程参考数据： ADS5296RGCT ——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 | ADS5296ARGCT | ADS5296RGCR | ADS5294RGCT | ADS5292RGCT |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-VQFN (RGC) 9x9 mm | 64-VQFN (RGC) 9x9 mm - same | 64-VQFN (RGC) 9x9 mm - same | 64-VQFN (RGC) 9x9 mm - same | 64-VQFN (RGC) 9x9 mm - same |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 10 bits |
| Number of Channels | 8 | 8 | 8 | 8 | 8 |
| Sample Rate (max per channel) | 80 MSPS | 80 MSPS | 80 MSPS | 50 MSPS (-37.5%) | 65 MSPS (-18.75%) |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Analog Supply | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Power per Channel (max rate) | 90 mW | 85 mW | 90 mW | 60 mW (-33%) | 75 mW (-17%) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- Lower per-channel power at 80 MSPS than the A-revision （对比 ADS5296ARGCT)
- Higher resolution (12-bit) than ADS5292RGCT （对比 ADS5292RGCT)
- Faster sample rate than ADS5294RGCT （对比 ADS5294RGCT)
设计说明
The ADS5296RGCT requires a clean 1.8 V analog supply on AVDD and a separate 1.8 V-3.3 V on DRVDD for the digital output level shifter. Use a star-routing topology: place a 0.1 uF ceramic capacitor within 2 mm of each AVDD pin, a 10 uF bulk ceramic nearby, and a ferrite bead between the upstream LDO and the AVDD pin to isolate the switching noise of downstream FPGAs. Power dissipation at 80 MSPS / 8 channels is approximately 720 mW, so the LDO must source at least 1.5 A for transient headroom, with at least 6 dB of AVDD PSRR at 10 MHz. Estimated: total AVDD budget = 0.5 A average (8 ch x ~90 mW each / 1.8 V = 400 mA + overhead); the LDO should be sized at 1.5 A for peak.
Layout must keep analog and digital return current paths separate back to a single ground star under the exposed thermal pad. The 64-VQFN 9x9 mm exposed pad must be soldered to a contiguous ground copper pour with a thermal-via array (typically 5 x 5 = 25 vias, 0.3 mm drill, 0.5 mm pitch). Route the 64 LVDS DDR data pairs as 100 ohm differential with length matching to within 50 mils across the 8 channels to minimize skew between samples. Keep the analog input traces on the top layer, short (<5 mm), and surrounded by a guard ground on both sides to minimize coupling from digital signals switching at 640 MSPS aggregate rate.
Three pitfalls: (1) using an external reference when the internal reference would suffice - the internal ref provides 1.5 V with 50 ppm/C typ drift and 4 uVrms noise - only switch to an external REF5025 if temperature drift below 50 ppm/C is mandatory; (2) neglecting the internal PLL filter capacitor - a missing 1 uF on the LF pin will cause the PLL to fail to lock at power-up; (3) failing to power down unused channels - per-channel power-down (PDx register) drops quiescent draw by ~85 mW per disabled channel, so leaving unused channels on when only 4 are routed costs roughly 340 mW of unnecessary power and a junction-temperature increase.
合规信息
RoHS and REACH compliant per Texas Instruments product page. Pb-free matte-tin finish. Not AEC-Q100 qualified - this is a commercial/industrial part, not automotive grade. Consult TI for AEC-Q100 equivalent under the TI Space/Aero part program.
