ADS830EG4 - 8-Bit 60MSPS Pipelined ADC | Texas Instruments
料号： ADS830EG4 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.95 | $89.50 |
| 100 | $7.42 | $742.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.25 | $5,250.00 |
ADS830EG4 概述
An Analog-to-Digital Converter (ADC) is a semiconductor device that converts real-world analog signals into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. Within the broader signal chain hierarchy, an ADC sits between a sensor/amplifier front end and a digital processor; pipeline ADCs use a multi-stage architecture to achieve high sampling rates (tens to hundreds of MSPS) at moderate resolution (8-14 bits), trading latency for speed. The ADS830 belongs to the pipelined ADC subcategory, which is the dominant architecture for communications, video, and imaging applications requiring both high sample rate and continuous streaming conversion.
Key features of the ADS830EG4 include a maximum sampling rate of 60 MSPS, single-ended input range of 1.5V to 3.5V (programmable), and a pipelined architecture with internal reference. The device supports both single-ended and differential input modes and is pin-for-pin compatible with the 8-bit, 80-MHz ADS831 for upgrade flexibility. Power consumption is approximately 215 mW at 60 MSPS from a single +5V analog supply, with a power-down mode available for low-duty-cycle applications.
The ADS830EG4 is commonly used in digital communications (IF sampling, QAM demodulation), video digitisation (broadcast equipment, professional cameras), CCD imaging scanners, and portable instrumentation. Its single +5V operation simplifies power-tree design in legacy +5V systems, while the SSOP-20 footprint eases hand-soldering and rework in low-volume production. Differential-input mode further enables low-distortion sampling of transformer-coupled IF signals in software-defined radio receivers.
When designing with this device, pay attention to input common-mode voltage and reference decoupling. Use a low-impedance analog ground plane, place the input coupling capacitor close to the AIN pin, and provide a clean +5V AVDD rail with 0.1uF and 10uF decoupling. For best SFDR in IF-sampling applications, operate the input in differential mode with a wideband balun. Refer to the TI ADS830 datasheet (SBAS167 family) for full application-circuit recommendations and timing diagrams. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： ADS830EG4 ——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： ADS830EG4 （相同外形与封装尺寸） ——差异在于 Architecture, Package, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
ADS830E/1KG4
✅ 直接替换📋 参考替代料（不在目录中）
ADS830E/2K5
✅ 直接替换📋 参考替代料（不在目录中）
ADS831E
✅ 直接替换📋 参考替代料（不在目录中）
ADS830
✅ 直接替换📋 参考替代料（不在目录中）
ADS830E
✅ 直接替换📋 参考替代料（不在目录中）
ADS830EG4 最大额定值与电气特性
| 分辨率 | 8 bits |
| Sampling Rate (Max) | 60 MSPS |
| Number of Input Channels | 1 |
| Architecture | Pipelined CMOS |
| Input Type | Single-Ended / Differential |
| Input Voltage Range (SE) | 1.5 V to 3.5 V (programmable) |
| Supply Voltage (Analog) | +5 V (single supply) |
| Reference Type | Internal (with external override option) |
| Power Dissipation (typ @ 60 MSPS) | 215 mW |
| Power-Down Mode | Yes |
| 工作温度范围 | -40 C to +85 C |
| 封装 | 20-pin SSOP (DB) |
| 安装类型 | Surface Mount |
| MSL 等级 | 2 (1 year floor life) |
| RoHS 状态 | Compliant (Pb-free green, G4 suffix) |
ADS830EG4 引脚配置
| 引脚 1 | AIN — Analog input (single-ended or one leg of differential) |
| 引脚 2 | REFTS — Reference top (decoupling) |
| 引脚 3 | REFBY — Reference bypass |
| 引脚 4 | REFM — Reference mid (decoupling) |
| 引脚 5 | REFBS — Reference bottom (decoupling) |
| 引脚 6 | VREF — Voltage reference (internal 2.5V) |
| 引脚 7 | PD — Power-down (active high) |
| 引脚 8 | CLOCKIN — Sample clock input |
| 引脚 9 | AGND — Analog ground |
| 引脚 10 | AVDD — Analog +5V supply |
| 引脚 11 | DRGND — Digital ground |
| 引脚 12 | DRVDD — Digital output driver supply |
| 引脚 13 | D7 — Data output bit 7 (MSB) |
| 引脚 14 | D6 — Data output bit 6 |
| 引脚 15 | D5 — Data output bit 5 |
| 引脚 16 | D4 — Data output bit 4 |
| 引脚 17 | D3 — Data output bit 3 |
| 引脚 18 | D2 — Data output bit 2 |
| 引脚 19 | D1 — Data output bit 1 |
| 引脚 20 | D0 — Data output bit 0 (LSB) |
典型应用
ADS830EG4 适用于 6 应用s: Digital Communications IF Sampling, Video Digitisation and Broadcast, CCD Imaging and Document Scanners, Portable Test and Measurement Instrumentation, Industrial Ultrasound Imaging, Radar and Lidar Signal Capture.
Digital Communications IF Sampling
The ADS830EG4's 60 MSPS sampling rate and pipelined architecture suit it for IF sampling in digital communications receivers. With a 1.5-3.5V single-ended or 2 Vpp differential input range, the converter captures intermediate-frequency signals in QAM demodulators and software-defined radio front-ends. Its 8-bit resolution is sufficient for sub-band IF digitisation where downstream DSP performs final channel selection. Operating from a single +5V rail simplifies the power tree in legacy comms equipment, and the 20-pin SSOP footprint eases integration into compact radio modules.
推荐
Video Digitisation and Broadcast
The ADS830EG4 digitises standard-definition and component video signals with 60 MSPS throughput, comfortably exceeding the 27 MSPS Nyquist rate for SD video and supporting oversampled HD component streams. Its single-ended 1.5-3.5V input range accepts video levels directly when biased to 2.5V common mode, eliminating external level-shift amplifiers. The 8-bit resolution preserves 256 grey levels per channel for professional broadcast, surveillance, and medical imaging applications. Power-down mode enables duty-cycled capture in battery-powered field cameras.
推荐
CCD Imaging and Document Scanners
The ADS830EG4's high-bandwidth track-and-hold and 60 MSPS throughput suit it for CCD line-scan imagers and document scanners, where pixel rates exceed 30 MHz on multi-channel CCD arrays. The single +5V supply and low 215 mW power dissipation per channel simplify thermal management in densely packed multi-CCD designs. The pipelined architecture adds fixed deterministic latency, simplifying pixel-by-pixel timing in the host FPGA. The differential-input mode further improves SFDR for low-light imaging with high analog gain stages.
推荐
Portable Test and Measurement Instrumentation
The ADS830EG4's single +5V operation, 215 mW typical power, and small SSOP-20 footprint suit it for handheld oscilloscopes, logic analyser pods, and portable spectrum analysers. The internal reference eliminates an external reference IC, reducing BOM cost and PCB area. Power-down mode drops the supply current to a few mA between acquisition bursts, extending battery life in field instruments. The 8-bit resolution is sufficient for general-purpose waveform capture where 1% vertical resolution is acceptable.
推荐
Industrial Ultrasound Imaging
The ADS830EG4 is well suited to mid-range ultrasound receive-channel digitisation, where 60 MSPS captures 25-30 MHz transducer signals with 8-bit grayscale. The differential input mode improves common-mode rejection for long coaxial transducer cables in clinical and industrial NDT systems. The single +5V supply integrates easily into legacy ultrasound front-end boards designed before low-voltage ADC rails became standard. Multiple ADS830EG4 devices can be paralleled per channel for beamforming arrays with deterministic pipeline latency.
推荐
Radar and Lidar Signal Capture
The ADS830EG4's 60 MSPS sampling rate enables IF-sampling of short-range automotive radar and industrial lidar return signals. With 8-bit resolution, it captures pulse-shape profiles for time-of-flight measurement in 1-2 metre range applications. The single +5V supply suits 12V-vehicle-derived power rails, and the small SSOP-20 package allows dense multi-channel board layouts. The internal track-and-hold bandwidth of >400 MHz preserves pulse-edge fidelity critical for accurate ranging.
推荐
推荐产品汇总
工程参考数据： ADS830EG4 ——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 | ADS830E/1KG4 | ADS830E/2K5 | ADS831E | ADS830 | ADS830E |
|---|---|---|---|---|---|---|
| Package | SSOP-20 (DB) | SSOP-20 (DB) - same | SSOP-20 (DB) - same | SSOP-20 (DB) - same | SSOP-20 (DB) - same | SSOP-20 (DB) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 8 bits | 8 bits | 8 bits | 8 bits | 8 bits | 8 bits |
| Max Sampling Rate | 60 MSPS | 60 MSPS | 60 MSPS | 80 MSPS | 60 MSPS | 60 MSPS |
| Supply Voltage | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single |
| Packaging Format | Tape & Reel (G4 Pb-free) | 1000-piece reel (G4 Pb-free) | 2500-piece reel | Tube or 1000-piece reel | Tube (commercial) | Tube |
| Power Dissipation (typ) | 215 mW @ 60 MSPS | 215 mW @ 60 MSPS | 215 mW @ 60 MSPS | 275 mW @ 80 MSPS | 215 mW @ 60 MSPS | 215 mW @ 60 MSPS |
| Pin-to-Pin Compatible | Yes (base ADS830) | Yes - drop-in | Yes - drop-in | Yes - per TI datasheet | Yes - identical | Yes - drop-in |
关键差异点
- Pb-free G4 tape-and-reel format （对比 ADS830E/1KG4)
- Pin-for-pin upgrade to 80 MSPS （对比 ADS831E)
- Single +5V supply simplifies power tree （对比 ADS6422IRGC25 (12-bit, 65 MSPS, requires 3.3V))
设计说明
The ADS830EG4 requires a clean +5V analog supply (AVDD) and a separate +5V digital output driver supply (DRVDD). Place a ferrite bead between the two rails near the IC to prevent digital switching noise from coupling into the analog sampling path. Decouple AVDD with a 10uF tantalum and 0.1uF ceramic placed within 5mm of pin 10; decouple DRVDD with 0.1uF within 3mm of pin 12. A common-mode choke on the analog input also helps reject supply-borne interference in noisy environments.
Use a split analog/digital ground plane with a single bridge underneath the IC (pin 9/11). Keep the 60-MHz sample clock trace short and impedance-controlled; route the 8-bit parallel digital bus (D0-D7) over the digital ground plane only. Keep the analog input trace (pin 1) at 50 ohm controlled impedance if you use a balun, and surround it with ground via stitching every 5mm to reduce pickup. Place REFTS, REFBY, REFM, REFBS decoupling caps within 2mm of their respective pins.
For best SFDR in IF-sampling applications, operate the ADS830EG4 in differential-input mode using a wideband balun (e.g., Mini-Circuits ADT1-1WT or similar). The internal track-and-hold has >400 MHz bandwidth, but the input is single-ended to differential internally; a properly phased balun improves 2nd-harmonic distortion by 8-12 dB. The sample clock should be derived from a low-jitter source (<5 ps RMS) - clock jitter directly degrades SNR at high input frequencies. Use a clock buffer like TI's CDCLVC1102 if driving multiple ADS830EG4 devices in parallel.
Do not exceed the absolute maximum AVDD of 6.5V; reverse-polarity protection on the +5V rail is recommended for production boards. The internal reference (pin 6) must be decoupled with 10uF + 0.1uF to ground for low noise. The Power-Down (PD) pin requires a clean logic-level signal - if left floating, the part may draw excess quiescent current. Avoid driving the digital outputs (D0-D7) into long cables; buffer with a 74LVC245 if the receiver is more than 50mm away.
合规信息
Pb-free (G4 suffix) RoHS-compliant per TI product page. Not AEC-Q100 qualified - this is an industrial-grade part rated -40C to +85C. For automotive-grade equivalents, contact TI directly.
