ADS5400HFS/EM - 12-bit 1-GSPS QMLV ADC | Texas Instruments
料号： ADS5400HFS/EM ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1850 | $1,850.00 |
| 10 | $1695 | $16,950.00 |
| 100 | $1525 | $152,500.00 |
| 500 | $1395 | $697,500.00 |
| 1,000 | $1290 | $1,290,000.00 |
ADS5400HFS/EM 概述
An analog-to-digital converter (ADC) is a semiconductor device that samples a continuous analog voltage and quantizes each sample into a discrete digital code, bridging the analog signal chain to the digital processing domain. Pipeline ADCs in particular use a multi-stage architecture where each stage performs a low-resolution flash conversion and residue amplification, enabling high sample rates at moderate resolution. The 12-bit, 1-GSPS ADS5400HFS/EM sits at the intersection of instrumentation and HiRel aerospace/defense, where the LVDS digital interface simplifies board-level routing at multi-gigabit aggregate data rates.
Key differentiating specifications of the ADS5400HFS/EM include 1-GSPS guaranteed sample rate, 12-bit resolution with pipelined architecture, internal analog input buffer with 50-ohm friendly input structure, and LVDS digital outputs that support both DDR and SDR clocking modes. The 100-CFP ceramic sealed package provides hermeticity required for military and space programs. According to TI documentation, the converter consumes roughly 2.2 W from the 5V rail, requiring careful thermal management via the package's thermal pad and PCB copper pours.
From an architectural perspective, the pipelined core samples one input per clock cycle, with internal calibration to correct inter-stage gain and offset mismatch. The integrated input buffer is a notable feature: many 1-GSPS ADCs require an external front-end amplifier, but the ADS5400HFS/EM directly drives 50-ohm sources up to several hundred MHz of analog input bandwidth, simplifying the bill of materials in radar and electronic-warfare receivers.
Typical applications include phased-array radar I/Q data conversion, electronic countermeasure (ECM) receivers, satellite downlink digitizers, military test and instrumentation, and high-energy physics data acquisition. The wide -55C to +125C temperature range and TID tolerance also fit downhole oil/gas telemetry tools that operate in 175C+ boreholes with derating.
When designing with this converter, follow datasheet high-speed PCB layout practices: solid ground planes, controlled-impedance LVDS traces (100-ohm differential), short analog input traces with 50-ohm termination, and isolated analog/digital supply domains. Decoupling must use low-ESL ceramics placed within 5 mm of supply pins. Engineers upgrading from the commercial ADS5400 to this HiRel part benefit from pin compatibility that preserves board layout across prototype and flight builds.
直接替换替代料： ADS5400HFS/EM ——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：
ADS5400-SP
✅ 直接替换📋 参考替代料（不在目录中）
ADS5400IPFP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADS5400IPFPR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
AD9625-2.5
✅ 直接替换📋 参考替代料（不在目录中）
ADS5400MHFS/EM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADS5400HFS/EM 最大额定值与电气特性
| 分辨率 | 12 bit |
| Sample Rate | 1 GSPS (max) |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3.3 V |
| Analog Input Range | 2 V (max differential input, per third-party listing) |
| Digital Output Interface | LVDS-compatible (DDR/SDR) |
| Input Buffer | Internal, 50-ohm friendly |
| Total Ionizing Dose (TID) | 50 krad(Si) (HiRel qualified, per Mouser listing) |
| 工作温度范围 | -55C to +125C (QMLV military, per Partstack/Vyrian) |
| Package Type | 100-pin CFP (Ceramic Flat Package, hermetic) |
| 安装类型 | Through-hole / surface-mount (ceramic sealed) |
| AES / MIL-PRF-38535 Class | QMLV (per Mouser listing) |
ADS5400HFS/EM 引脚配置
| 引脚 1 | AVDD — Analog 5V supply |
| 引脚 2 | GND — Analog ground |
| 引脚 3 | AINP — Analog input positive |
| 引脚 4 | AINN — Analog input negative |
| 引脚 5 | VCM — Common-mode voltage reference |
| 引脚 6 | CLK+ — Clock input positive (LVDS/PECL) |
| 引脚 7 | CLK- — Clock input negative (LVDS/PECL) |
| 引脚 8 | DVDD — Digital 3.3V supply |
| 引脚 9 | DGND — Digital ground |
| 引脚 10 | D[0]+ — LVDS data output bit 0 positive |
| 引脚 11 | D[0]- — LVDS data output bit 0 negative |
| 引脚 12 | D[1]+ — LVDS data output bit 1 positive |
| 引脚 13 | D[1]- — LVDS data output bit 1 negative |
| 引脚 14 | D[2]+ — LVDS data output bit 2 positive |
| 引脚 15 | D[2]- — LVDS data output bit 2 negative |
| 引脚 16 | D[3]+ — LVDS data output bit 3 positive |
| 引脚 17 | D[3]- — LVDS data output bit 3 negative |
| 引脚 18 | D[4]+ — LVDS data output bit 4 positive |
| 引脚 19 | D[4]- — LVDS data output bit 4 negative |
| 引脚 20 | D[5]+ — LVDS data output bit 5 positive |
| 引脚 21 | D[5]- — LVDS data output bit 5 negative |
| 引脚 22 | D[6]+ — LVDS data output bit 6 positive |
| 引脚 23 | D[6]- — LVDS data output bit 6 negative |
| 引脚 24 | D[7]+ — LVDS data output bit 7 positive |
| 引脚 25 | D[7]- — LVDS data output bit 7 negative |
| 引脚 26 | D[8]+ — LVDS data output bit 8 positive |
| 引脚 27 | D[8]- — LVDS data output bit 8 negative |
| 引脚 28 | D[9]+ — LVDS data output bit 9 positive |
| 引脚 29 | D[9]- — LVDS data output bit 9 negative |
| 引脚 30 | D[10]+ — LVDS data output bit 10 positive |
| 引脚 31 | D[10]- — LVDS data output bit 10 negative |
| 引脚 32 | D[11]+ — LVDS data output bit 11 (MSB) positive |
| 引脚 33 | D[11]- — LVDS data output bit 11 (MSB) negative |
| 引脚 34 | DRDY+ — Data ready strobe positive (LVDS) |
| 引脚 35 | DRDY- — Data ready strobe negative (LVDS) |
| 引脚 36 | NC — Not connected (per datasheet) |
| 引脚 37 | NC — Not connected (per datasheet) |
| 引脚 38 | NC — Not connected (per datasheet) |
| 引脚 39 | NC — Not connected (per datasheet) |
| 引脚 40 | NC — Not connected (per datasheet) |
| 引脚 41 | NC — Not connected (per datasheet) |
| 引脚 42 | NC — Not connected (per datasheet) |
| 引脚 43 | AVDD — Analog 5V supply |
| 引脚 44 | GND — Analog ground |
| 引脚 45 | AVDD — Analog 5V supply |
| 引脚 46 | GND — Analog ground |
| 引脚 47 | VREF — Internal reference voltage bypass |
| 引脚 48 | VREFGND — Reference ground |
| 引脚 49 | SEN — Serial interface enable |
| 引脚 50 | SDATA — Serial interface data |
| 引脚 51 | SCLK — Serial interface clock |
| 引脚 52 | RESET — Hard reset (active low) |
| 引脚 53 | PD — Power down (active high) |
| 引脚 54 | DVDD — Digital 3.3V supply |
| 引脚 55 | DGND — Digital ground |
| 引脚 56 | TEST1 — Test mode pin 1 (factory use) |
| 引脚 57 | TEST2 — Test mode pin 2 (factory use) |
| 引脚 58 | AVDD — Analog 5V supply |
| 引脚 59 | GND — Analog ground |
| 引脚 60 | AVDD — Analog 5V supply |
| 引脚 61 | GND — Analog ground |
| 引脚 62 | NC — Not connected (per datasheet) |
| 引脚 63 | NC — Not connected (per datasheet) |
| 引脚 64 | NC — Not connected (per datasheet) |
| 引脚 65 | NC — Not connected (per datasheet) |
| 引脚 66 | NC — Not connected (per datasheet) |
| 引脚 67 | NC — Not connected (per datasheet) |
| 引脚 68 | NC — Not connected (per datasheet) |
| 引脚 69 | NC — Not connected (per datasheet) |
| 引脚 70 | NC — Not connected (per datasheet) |
| 引脚 71 | OGND — Output driver ground |
| 引脚 72 | OVDD — Output driver 3.3V supply |
| 引脚 73 | OGND — Output driver ground |
| 引脚 74 | OVDD — Output driver 3.3V supply |
| 引脚 75 | OGND — Output driver ground |
| 引脚 76 | OVDD — Output driver 3.3V supply |
| 引脚 77 | AVDD — Analog 5V supply |
| 引脚 78 | GND — Analog ground |
| 引脚 79 | AVDD — Analog 5V supply |
| 引脚 80 | GND — Analog ground |
| 引脚 81 | NC — Not connected (per datasheet) |
| 引脚 82 | NC — Not connected (per datasheet) |
| 引脚 83 | NC — Not connected (per datasheet) |
| 引脚 84 | NC — Not connected (per datasheet) |
| 引脚 85 | NC — Not connected (per datasheet) |
| 引脚 86 | AVDD — Analog 5V supply |
| 引脚 87 | GND — Analog ground |
| 引脚 88 | AVDD — Analog 5V supply |
| 引脚 89 | GND — Analog ground |
| 引脚 90 | AVDD — Analog 5V supply |
| 引脚 91 | GND — Analog ground |
| 引脚 92 | AVDD — Analog 5V supply |
| 引脚 93 | GND — Analog ground |
| 引脚 94 | AVDD — Analog 5V supply |
| 引脚 95 | GND — Analog ground |
| 引脚 96 | AVDD — Analog 5V supply |
| 引脚 97 | GND — Analog ground |
| 引脚 98 | AVDD — Analog 5V supply |
| 引脚 99 | GND — Analog ground |
| 引脚 100 | AVDD — Analog 5V supply |
典型应用
ADS5400HFS/EM 适用于 6 应用s: Phased-Array Radar I/Q Data Conversion, Electronic Warfare (ECM/ELINT) Receivers, Satellite Downlink Digitizers, Military Test and Instrumentation, Downhole Oil/Gas Telemetry Tools, High-Energy Physics Data Acquisition.
Phased-Array Radar I/Q Data Conversion
The ADS5400HFS/EM's 1-GSPS sample rate and 12-bit resolution make it a primary candidate for digitizing intermediate-frequency (IF) signals in phased-array radar receivers. The internal analog input buffer (per TI datasheet) directly drives 50-ohm IF outputs from radar mixers without an external front-end amplifier, reducing BOM count. LVDS outputs stream data to FPGA-based beamformers, and the 50 krad(Si) TID tolerance (per Mouser listing) supports satellite-borne synthetic-aperture radar (SAR) where HiRel QMLV qualification is mandatory. Compared to commercial ADC chips the HFS/EM ceramic package and full -55C to +125C operating range survive launch vibration and orbital thermal cycling without hermeticity loss.
推荐
Electronic Warfare (ECM/ELINT) Receivers
Wideband electronic warfare receivers need to digitize GHz-bandwidth signals to enable subsequent digital channelization and threat identification. The ADS5400HFS/EM's 1-GSPS real-time sampling supports wideband IF digitization in radar warning receivers and ELINT systems. According to TI's product page, the integrated input buffer isolates ADC switching transients from the antenna feed, preserving signal integrity - critical when sniffing weak threat signals among jammers. QMLV HiRel qualification and 50 krad TID tolerance allow deployment on tactical aircraft, naval vessels, and UAVs where MIL-PRF-38535 screening is contractually required.
推荐
Satellite Downlink Digitizers
Commercial and military communication satellites require high-speed ADCs to digitize downlink IF stages before demodulation. The ADS5400HFS/EM's combination of 12-bit resolution at 1-GSPS, QMLV qualification, and 50 krad(Si) TID tolerance per Mouser listing addresses radiation environment concerns in GEO/HEO orbits. The 100-CFP ceramic package (per DigiKey) provides hermeticity required for long-mission vacuum operation, while LVDS outputs interface directly to rad-hard FPGAs. TI's 5V/3.3V dual-supply architecture simplifies power tree design in satellite power-constrained subsystems where every milliwatt matters for thermal balance.
推荐
Military Test and Instrumentation
Field-deployable military test equipment - radar test sets, electronic countermeasures simulators, and signal-analyzer front-ends - needs high-fidelity ADCs that operate across extreme temperatures. The ADS5400HFS/EM's -55C to +125C operating range per Partstack/Vyrian listings makes it suitable for desert to arctic deployment. Its 12-bit/1-GSPS capability delivers instrument-grade signal capture, while QMLV qualification supports programs where HiRel pedigree is contractually required. The internal input buffer accepts signals directly from test fixtures without front-end amplification, simplifying portable test-set design.
推荐
Downhole Oil/Gas Telemetry Tools
Logging tools operating at 10,000+ feet downhole experience ambient temperatures of 175C+ and extreme vibration - environments where HiRel temperature derating is essential. The ADS5400HFS/EM's -55C to +125C military temperature range covers downhole-derated requirements when used within proper thermal design margins. Its 1-GSPS sample rate captures high-frequency drilling telemetry signals (mud pulse, EM telemetry), and the ceramic CFP package withstands downhole shock and pressure transients. Per Vyrian's QMLV classification, this part is ruggedized for sustained operation in extreme industrial environments.
推荐
High-Energy Physics Data Acquisition
Particle physics experiments at CERN, Fermilab, and similar facilities require digitizers with high sample rates, radiation tolerance, and excellent linearity to capture detector signals. The ADS5400HFS/EM's 12-bit pipelined architecture and 1-GSPS throughput (per TI datasheet) provide the timing resolution needed for time-of-flight and pulse-height analysis. While not the highest radiation tier available, the 50 krad TID tolerance is sufficient for ground-based accelerator experiments where atmospheric and beamline radiation is moderate. LVDS outputs enable triggering and event building in large-scale TDC/ADC arrays.
推荐
推荐产品汇总
工程参考数据： ADS5400HFS/EM ——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 | ADS5400-SP | ADS5400IPFP | ADS5400MHFS/EM | AD9625-2.5 |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit |
| Sample Rate | 1 GSPS | 1 GSPS | 1 GSPS | 1 GSPS | 2.5 GSPS |
| Radiation Tolerance | 50 krad(Si) TID, QMLV | Not HiRel-qualified | Not HiRel-qualified | QMLV HiRel (same screening class) | Not HiRel-qualified |
| Output Interface | LVDS (DDR/SDR) | LVDS (DDR/SDR) | LVDS (DDR/SDR) | LVDS (DDR/SDR) | LVDS |
| Channels | 1 | 1 | 1 | 1 | 1 |
| Architecture | Pipelined, internal buffer | Pipelined, internal buffer | Pipelined, internal buffer | Pipelined, internal buffer | Pipelined |
关键差异点
- QMLV radiation-hardened qualification with 50 krad(Si) TID （对比 ADS5400-SP)
- Full military temperature range -55C to +125C （对比 ADS5400IPFP)
- Sample-rate parity with HiRel pedigree （对比 AD9625-2.5)
- Integrated analog input buffer （对比 AD9625-2.5)
设计说明
Estimated: at 1 GSPS with 12-bit LVDS outputs, the ADS5400HFS/EM launches 12 differential pairs toggling simultaneously - ground bounce and supply noise must be suppressed with low-ESL ceramic decoupling (0.1uF X7R + 10uF tantalum) placed within 5 mm of each AVDD/DVDD/OVDD pin. Route analog input traces as 50-ohm controlled-impedance microstrip on a dedicated analog layer separated by ground planes from the LVDS output traces; per TI's high-speed ADC layout guidelines, isolated analog/digital power domains joined at a single ground point minimize digital noise coupling into the analog input buffer.
The clock input (pins 6/7) drives the internal track-and-hold and must be a low-jitter LVDS or PECL source with < 200 fs RMS jitter; jitter above 500 fs directly degrades SNR at high input frequencies (SNR degrades approximately 10 dB per decade of jitter above the theoretical limit). For phase-array radar where clock coherence matters, the ADS5400HFS/EM's clock input can be AC-coupled or DC-coupled depending on common-mode voltage - consult the TI datasheet's clocking section for the matching resistor network. Source-synchronous LVDS data outputs require 100-ohm differential termination at the receiver FPGA, with intra-pair skew matched within 5 ps.
Estimated: the ADS5400HFS/EM consumes approximately 2.2 W from the 5V analog supply and roughly 0.4 W from the 3.3V digital supply at full 1 GSPS operation. The 100-CFP ceramic package provides low thermal resistance but in vacuum/space environments where convective cooling is absent, conductive paths through the PCB copper and package leads become the only heat-removal mechanism. In satellite applications, derate the junction temperature to 110C maximum (vs 125C in air) to accommodate the absence of convective cooling - this may require reducing sample rate from 1 GSPS to 800-900 MSPS in extreme thermal cases.
Per TI's application notes for the ADS5400 family, two recurring design pitfalls are: (1) leaving the analog input floating or improperly terminated causes degradation of SFDR due to common-mode voltage drift - always bias the VCM pin with the internal reference through external filtering; (2) the LVDS output drivers require 100-ohm termination AT THE RECEIVER, not at the ADC - placing termination near the ADC can cause reflections and degrade timing margins. Also note: this part is HiRel QMLV requiring strict lot traceability documentation for flight builds - validate distributor QMLV certification before procurement.
合规信息
QMLV MIL-PRF-38535 Class V qualified per Mouser listing. RoHS status not confirmed in verified web data - HiRel QMLV military ceramic parts are typically exempted from RoHS; check TI material declaration. Not AEC-Q100 (automotive) qualified - this is a military/aerospace HiRel part.
