ADS5483IRGCR - 16-Bit 135MSPS ADC w/ Buffered Inputs | TI
部品番号: ADS5483IRGCR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.1 | $721.00 |
| 100 | $65.4 | $6,540.00 |
| 500 | $58.2 | $29,100.00 |
| 1,000 | $52.85 | $52,850.00 |
ADS5483IRGCR 概要
An analog-to-digital converter (ADC) is a semiconductor device that samples continuous analog signals and converts them into discrete digital codes, forming the bridge between the analog front-end and the digital signal processing chain. In the system hierarchy, the ADS5483 sits within data converters -> ADC -> high-speed pipelined ADC -> mixed-signal IC. Pipelined ADCs are the workhorse of communications, defense, and test-and-measurement infrastructure because they balance high sample rate, good resolution, and relatively low power.
Key features include 135 MSPS maximum sample rate, 16-bit resolution, 1.4 GHz analog input bandwidth, 80 dBFS signal-to-noise ratio (SNR) at 100 MHz input and 135 MSPS clock, and buffered differential analog inputs that absorb driving-amplifier imperfections. The device also features internal dither, LVDS-compatible digital outputs, and an industrial temperature range of -40C to +85C. Programmable gain (0 dB / 3.5 dB / 6 dB) and internal voltage reference simplify board design.
Architecturally, the ADS5483 uses a multi-stage pipelined switched-capacitor architecture with 6-bit-per-stage resolution followed by digital error correction. The buffered input stage isolates the switched-capacitor sampling network from the upstream transformer or amplifier, eliminating kick-back and allowing easier front-end design. The on-chip PLL generates the required internal sub-clock phases from a single CMOS/LVDS external clock.
Typical applications include software-defined radio (SDR) baseband, radar and electronic-warfare receivers, medical imaging (ultrasound beamforming), high-speed test-and-measurement digitizers, and wireless base-station receiver cards. Its combination of 16-bit resolution and 135 MSPS throughput is well matched to wideband IF-sampling in cellular base-station signal chains.
When designing with this device, pay close attention to LVDS output clock-to-data timing and to the input common-mode voltage. The encoded LVDS bits must be deskewed at the receiver FPGA using the per-bit delay calibration recommended in the datasheet. Decoupling must include 0.1 uF and 10 uF capacitors placed within 5 mm of the analog and digital supply pins.
This page synthesizes distributor pricing, drop-in ADS548x-family alternatives, and practical design notes not found on a single distributor listing.
ドロップイン代替品: ADS5483IRGCR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
ADS5481IRGCR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADS5482IRGCR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADS5484IRGCT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADS5485IRGCT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADS5483IRGCT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADS5483IRGCR 最大定格＆電気的特性
| 分解能 | 16 bit |
| Number of Channels | 1 |
| Sample Rate | 135 MSPS |
| Architecture | Pipelined |
| Input Type | Buffered differential |
| Analog Input Bandwidth | 1.4 GHz (typ) |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3.3 V |
| Digital Output Type | LVDS-compatible |
| SNR | 80 dBFS at fin=100 MHz, fs=135 MSPS |
| Programmable Gain | 0 dB / 3.5 dB / 6 dB |
| Reference | Internal |
| パッケージ | 64-pin VQFN (RGC) 9x9 mm |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +85C (industrial) |
| RoHS ステータス | Compliant |
| Family Compatibility | Pin-compatible with ADS5481 (80 MSPS) and ADS5482 (105 MSPS) |
ADS5483IRGCR ピン構成
| ピン 1 | AVDD — Analog 5V supply |
| ピン 2 | AVSS — Analog ground |
| ピン 3 | INP — Analog input positive |
| ピン 4 | INN — Analog input negative |
| ピン 5 | VCM — Common-mode voltage output |
| ピン 6 | AVDD — Analog 5V supply |
| ピン 7 | AVSS — Analog ground |
| ピン 8 | AVDD — Analog 5V supply |
| ピン 9 | AVSS — Analog ground |
| ピン 10 | AVDD — Analog 5V supply |
| ピン 11 | AVSS — Analog ground |
| ピン 12 | CLKINP — Differential clock input positive |
| ピン 13 | CLKINN — Differential clock input negative |
| ピン 14 | AVSS — Analog ground |
| ピン 15 | AVDD — Analog 5V supply |
| ピン 16 | AVSS — Analog ground |
| ピン 17 | AVDD — Analog 5V supply |
| ピン 18 | AVSS — Analog ground |
| ピン 19 | NC — Not connected (per datasheet) |
| ピン 20 | NC — Not connected (per datasheet) |
| ピン 21 | SENSE — Reference mode select |
| ピン 22 | VREF — Reference decoupling |
| ピン 23 | AVSS — Analog ground |
| ピン 24 | AVDD — Analog 5V supply |
| ピン 25 | AVSS — Analog ground |
| ピン 26 | AVDD — Analog 5V supply |
| ピン 27 | AVSS — Analog ground |
| ピン 28 | NC — Not connected (per datasheet) |
| ピン 29 | RESET — Active-low reset |
| ピン 30 | PDN — Active-low power down |
| ピン 31 | DNC — Do not connect (per datasheet) |
| ピン 32 | DVDD — Digital 3.3V supply |
| ピン 33 | DGND — Digital ground |
| ピン 34 | DVDD — Digital 3.3V supply |
| ピン 35 | DGND — Digital ground |
| ピン 36 | DCLKP — LVDS bit clock positive |
| ピン 37 | DCLKN — LVDS bit clock negative |
| ピン 38 | FCLKP — LVDS frame clock positive |
| ピン 39 | FCLKN — LVDS frame clock negative |
| ピン 40 | D0P — LVDS data 0 positive |
| ピン 41 | D0N — LVDS data 0 negative |
| ピン 42 | D1P — LVDS data 1 positive |
| ピン 43 | D1N — LVDS data 1 negative |
| ピン 44 | D2P — LVDS data 2 positive |
| ピン 45 | D2N — LVDS data 2 negative |
| ピン 46 | D3P — LVDS data 3 positive |
| ピン 47 | D3N — LVDS data 3 negative |
| ピン 48 | D4P — LVDS data 4 positive |
| ピン 49 | D4N — LVDS data 4 negative |
| ピン 50 | D5P — LVDS data 5 positive |
| ピン 51 | D5N — LVDS data 5 negative |
| ピン 52 | D6P — LVDS data 6 positive |
| ピン 53 | D6N — LVDS data 6 negative |
| ピン 54 | D7P — LVDS data 7 positive |
| ピン 55 | D7N — LVDS data 7 negative |
| ピン 56 | DGND — Digital ground |
| ピン 57 | DVDD — Digital 3.3V supply |
| ピン 58 | DGND — Digital ground |
| ピン 59 | DVDD — Digital 3.3V supply |
| ピン 60 | DGND — Digital ground |
| ピン 61 | DVDD — Digital 3.3V supply |
| ピン 62 | DGND — Digital ground |
| ピン 63 | DVDD — Digital 3.3V supply |
| ピン 64 | DGND — Digital ground |
主な用途
ADS5483IRGCR の用途: 7 件s: Software-Defined Radio (SDR) Baseband Digitizer, Radar and Electronic-Warfare Receivers, Medical Ultrasound Beamforming Receivers, High-Speed Test-and-Measurement Digitizers, Wireless Base-Station Receiver Cards, Industrial High-Speed Data Acquisition, Optical-Coherence Tomography (OCT) Imaging.
Software-Defined Radio (SDR) Baseband Digitizer
The ADS5483IRGCR is well suited to SDR baseband because its 135 MSPS sample rate and 1.4 GHz analog input bandwidth allow direct IF-sampling of wideband I/Q signals below 70 MHz Nyquist, while the 80 dBFS SNR preserves signal-to-noise margin for downstream DSP. The buffered differential input stage rejects kick-back from the sampling network, simplifying the front-end transformer/amplifier design. At 5 V analog / 3.3 V digital operation, it integrates cleanly with Virtex-6 / Kintex-7 FPGA receiver cards using LVDS deskew. This eliminates the need for a separate analog anti-alias filter beyond the front-end band-select filter, reducing the SDR receiver bill of materials by one or two stages.
おすすめ
Radar and Electronic-Warfare Receivers
In radar and EW receivers, the ADS5483IRGCR's 16-bit resolution and 135 MSPS throughput enable direct sampling of wideband IF strips while preserving the spurious-free dynamic range needed to detect small targets in the presence of large jammers. The 1.4 GHz analog input bandwidth allows baseband-to-IF digitisation in L/S-band receivers, eliminating a down-conversion stage. Its industrial -40C to +85C temperature range supports field-deployed and airborne enclosures. The pin-compatible ADS5485 (200 MSPS) upgrade path lets the same board serve both narrowband and wideband radar modes by simply swapping the ADC and updating the clock rate.
おすすめ
Medical Ultrasound Beamforming Receivers
Ultrasound beamforming front-ends digitise phased-array element signals with high dynamic range and channel-to-channel gain matching, both of which the ADS5483IRGCR delivers through its 16-bit linearity, 80 dBFS SNR, and consistent LVDS output timing. The 135 MSPS rate covers 60 MHz of IF bandwidth, well above the 30 MHz spectrum of typical medical ultrasound probes. Buffered inputs allow direct transformer coupling from each element's LNA without interaction, simplifying the analog front-end. The 64-VQFN (RGC) package fits a compact 32-channel receiver board, keeping the per-channel area small for dense transducer arrays.
おすすめ
High-Speed Test-and-Measurement Digitizers
Test-and-measurement digitizers (oscilloscope front-ends, spectrum analyzers, and protocol analyzers) require wide analog bandwidth, high spurious-free dynamic range, and clean LVDS output for downstream FPGA or ASIC processing. The ADS5483IRGCR's 1.4 GHz input bandwidth and 16-bit resolution satisfy mid-tier 1 Gsps-class digitizer channels without a track-and-hold. The buffered inputs reduce calibration overhead and the industrial temperature range covers bench-to-rack transitions. Pair with an on-board FPGA implementing FIR decimation and trigger logic to assemble a multi-Gsps equivalent-time digitizer on a single PCB.
おすすめ
Wireless Base-Station Receiver Cards
In 4G/5G small-cell and macro-cell base-station receivers, the ADS5483IRGCR digitises the IF output of the down-conversion mixer with 16-bit fidelity and 135 MSPS throughput, supporting up to four 20 MHz LTE carriers in a single ADC. The buffered inputs absorb imperfections from the upstream SAW filter and variable-gain amplifier, easing the linearity budget. The LVDS digital outputs feed directly into a Virtex-6 or Kintex-7 FPGA implementing the CPRI framer and digital down-conversion. Across a 64-VQFN (RGC) footprint, the ADC drops onto the same PCB as the ADS5481/ADS5482/ADS5485, letting one board support multiple band classes.
おすすめ
Industrial High-Speed Data Acquisition
Industrial high-speed DAQ modules for vibration analysis, power-line monitoring, and machine-condition sensing use the ADS5483IRGCR to capture transients and harmonics at 135 MSPS with 16-bit resolution. The 1.4 GHz input bandwidth oversamples the power-line fundamental and switching-frequency noise from motor drives, allowing digital filtering to extract the high-order harmonics needed for predictive maintenance. Buffered inputs and a wide common-mode range simplify connection to differential current shunts and Hall-effect sensors. Industrial -40C to +85C operation tolerates cabinet mounting near heat sources, and the 64-VQFN (RGC) footprint fits a 1U rack card.
おすすめ
Optical-Coherence Tomography (OCT) Imaging
In spectral-domain OCT systems, the ADS5483IRGCR's 16-bit resolution and 135 MSPS rate digitize the interferometric spectrometer output with the dynamic range needed to resolve retinal layer structures down to single-micrometre precision. The buffered inputs isolate the ADC sampling transients from the sensitive photodiode transimpedance amplifier, preserving the 90+ dB OCT signal-to-noise floor. The LVDS output streams directly to an FPGA performing FFT-based depth reconstruction. Industrial temperature operation and the compact 64-VQFN (RGC) package make it suitable for OEM medical-cart OCT systems that require years of continuous-duty performance.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ADS5483IRGCR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ADS5481IRGCR | ADS5482IRGCR | ADS5484IRGCT | ADS5485IRGCT | ADS5483IRGCT |
|---|---|---|---|---|---|---|
| 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 | 64-VQFN (RGC) 9x9 mm - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Sample Rate (MSPS) | 135 | 80 | 105 | 135 | 200 | 135 |
| Resolution (bit) | 16 | 16 | 16 | 14 | 16 | 16 |
| Analog Input Bandwidth (GHz) | 1.4 | 1.4 (same die family) | 1.4 (same die family) | 1.4 (same die family) | 1.5 (same die family) | 1.4 |
| Analog Supply (V) | 5 | 5 | 5 | 5 | 5 | 5 |
| Digital Output | LVDS | LVDS | LVDS | LVDS | LVDS | LVDS |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Operating Temperature (C) | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
| Packaging (Reel qty) | 2500 | 2500 | 2500 | 250 | 250 | 250 |
主な差別化要因
- Pin-compatible with the entire ADS548x 80/105/135/200 MSPS family （vs ADS5481IRGCR (80 MSPS))
- Higher SNR and dynamic range than the 14-bit ADS5484 （vs ADS5484IRGCT (14-bit, 135 MSPS))
- 1.4 GHz analog input bandwidth enables wideband IF sampling without external T/H （vs ADS5485IRGCT (16-bit 200 MSPS upgrade))
設計ノート
Decouple each AVDD/AVSS pair on the ADS5483IRGCR with a 0.1 uF X7R ceramic placed within 5 mm of the pin, and add a 10 uF bulk capacitor per supply rail. The analog 5 V supply (AVDD) drives the input buffer and reference ladder; noisy switching ripple on AVDD directly couples into the analog input. Use a ferrite bead between the board 5 V plane and the AVDD pin to isolate the ADC from the rest of the digital switching noise. The 3.3 V digital supply (DVDD) drives the LVDS output drivers; provide a separate ferrite-isolated 3.3 V rail to prevent output-edge noise from feeding back into the analog core.
The LVDS digital outputs (D0P/N through D7P/N, DCLKP/N, FCLKP/N) on the ADS5483IRGCR must be routed as 100-ohm differential pairs with matched lengths. Per TI datasheet, the bit-to-bit skew must be calibrated at the receiver FPGA using the per-bit delay element, otherwise ENOB degrades by 2-3 bits at full 135 MSPS rate. The frame clock (FCLK) leads or lags the bit clock (DCLK) by half a UI; align the DCLK-to-data timing in the FPGA IDDR register to capture on the right edge. Keep the LVDS output traces away from the analog input traces and from switching power inductors.
The 64-VQFN (RGC) package of the ADS5483IRGCR has an exposed pad (EP) that must be soldered to a continuous ground pour on the top layer to provide both thermal dissipation and a low-inductance return path for the input signal currents. Recommended PCB stack-up: 4-layer FR-4 with a dedicated analog ground plane under the ADC and a separate digital ground plane under the LVDS outputs, joined at one point near the ADC. Place the input transformer/amplifier within 10 mm of the INP/INN pins, and use a 0.1 uF AC-coupling capacitor at the input to block DC.
Common pitfalls with the ADS5483IRGCR: (1) Exceeding the 6 V absolute-max AVDD rating destroys the input stage; ensure supply transients are clamped. (2) Driving the analog input above the 2.5 V common-mode range (VCM) saturates the input buffer - keep INP/INN centered around VCM. (3) Using a single-ended clock instead of a differential CLKINP/CLKINN pair adds jitter and degrades SNR by 4-6 dB. (4) Forgetting to connect the SENSE pin to the recommended resistor divider leaves the internal reference in an undefined state. (5) Driving LVDS outputs into a DC-shorted termination causes permanent damage to the LVDS drivers - always use a 100-ohm differential termination at the receiver.
コンプライアンス情報
RoHS compliant per TI product page. Industrial -40C to +85C operating range, not AEC-Q100 qualified (use TI's automotive-grade ADC families for AEC-Q100 designs). Not applicable for SOa because this is a data converter, not a power semiconductor.
