ADS58C28
- Maximum Sample Rate: 200MSPS
- High Dynamic Performance:
- 83dBc SFDR at 140MHz
- 72.5dBFS SNR with 60MHz BW Using SNRBoost3G Technology
- SNRBoost3G Highlights:
- Supports Wide Bandwidth (up to 60MHz)
- Programmable Bandwidths:
20MHz, 30MHz, and 40MHz - Flat Noise Floor within the Band
- Independent SNRBoost3G Coefficients for Both Channels
- Output Interface:
- Double Data Rate (DDR) LVDS with Programmable Swing and Strength:
- Standard Swing: 350mV
- Low Swing: 200mV
- Default Strength: 100Ω termination
- 2× Strength: 50Ω termination
- Compatible with GC6016
- 1.8V Parallel CMOS Interface Also Supported
- Double Data Rate (DDR) LVDS with Programmable Swing and Strength:
- Ultralow Power with Single 1.8V Supply:
- 470mW Total Power
- 710mW Total Power (200MSPS) with SNRBoost3G on Both Channels
- Programmable Gain up to 6dB for
SNR/SFDR Trade-off - DC Offset Correction
- Supports Low Input Clock Amplitude
- Package: QFN-64 (9mm × 9mm)
PowerPAD is a trademark of Texas Instruments Incorporated.
All other trademarks are the property of their respective owners
The ADS58C28 is a dual-channel, 11-bit analog-to-digital converter (ADC) with sampling rates up to 200MSPS. The device uses innovative design techniques to achieve high dynamic performance, while consuming extremely low power at 1.8V supply. This architecture makes it well-suited for multi-carrier, wide bandwidth communications applications.
The ADS58C28 uses third-generation SNRBoost3G technology to overcome SNR limitation as a result of quantization noise (for bandwidths less than Nyquist, fS/2). Enhancements in the SNRBoost3G technology allow support for SNR improvements over wide bandwidths (up to 60MHz). In addition, separate SNRBoost3G coefficients can also be programmed for each channel.
The device has a digital gain function that can be used to improve SFDR performance at lower full-scale input ranges. It includes a dc offset correction loop that can be used to cancel the ADC offset. The digital outputs of all channels are output as double data rate (DDR) low-voltage differential signaling (LVDS) together with an LVDS clock output. The low data rate of this interface (400MBPS at 200MSPS sample rate) makes it possible to use low-cost field-programmable gate array (FPGA)-based receivers. The strength of the LVDS output buffers can be increased to support 50Ω differential termination. This increase allows the output clock signal to be connected to two separate receiver chips with an effective 50Ω termination (such as the two clock ports of the GC5330). The same digital output pins can also be configured as a parallel 1.8V CMOS interface.
The device includes internal references while the traditional reference pins and associated decoupling capacitors have been eliminated. The ADS58C28 is specified over the industrial temperature range (–40°C to +85°C).
技術資料
設計と開発
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ADS58C28EVM — ADS58C28 デュアル チャネル、11 ビット、200MSPS、A/D コンバータの評価基板
ADS58C28EVM は、テキサス インスツルメンツの ADS58C28 デバイスの性能を評価するための回路基板です。このデバイスは、TI の SNRBoost テクノロジーを採用した、デュアル チャネル、11 ビット、200MSPS の A/D コンバータです。この ADC 評価基板は、TI の TSW1200 データ キャプチャ カードと互換性のある、DDR LVDS データ出力を搭載しており、迅速な評価に役立ちます。この評価基板 (EVM) を採用すると、クロック、入力、電源電圧に関するさまざまな条件を使用して ADS58C28 をテストするためのフレキシブルな環境を実現できます。
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| パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
|---|---|---|
| VQFN (RGC) | 64 | Ultra Librarian |
購入と品質
- RoHS
- REACH
- デバイスのマーキング
- リード端子の仕上げ / ボールの原材料
- MSL 定格 / ピーク リフロー
- MTBF/FIT 推定値
- 使用材料
- 認定試験結果
- 継続的な信頼性モニタ試験結果
- ファブ拠点
- アセンブリ拠点