CDK8307AILP64 - 12/13-bit Octal Ultra-Low Power LVDS ADC | MaxLinear
MPN: CDK8307AILP64 ✓ Hoạt độngCDK8307AILP64 Tóm tắt
A pipelined ADC is a high-speed converter architecture that uses multiple low-resolution stages to digitize an analog signal, trading slightly higher latency than successive-approximation converters for dramatically higher sample rates and multi-channel integration. The CDK8307 family positions itself within the analog-to-digital converter hierarchy as a multi-channel data-acquisition building block used in the broader mixed-signal and data-converter IC family. Each LVDS (Low-Voltage Differential Signaling) output serializes the conversion result onto a small number of differential pairs, simplifying board routing and enabling direct FPGA connectivity.
Key specifications include 12/13-bit selectable resolution, sample rates of 20/40/50/65/80 MSPS, eight simultaneously-sampling channels, internal reference circuitry, and per-channel plus global power-down modes for energy-aware system design. The device is designed to interface directly with FPGAs from leading vendors, with LVDS serial output streams aligned for easy capture in the FPGA's high-speed transceiver or LVDS buffer logic. The proprietary architecture achieves low power per channel while maintaining AC performance across the supported sample-rate range.
Typical applications include medical imaging systems, multi-channel communications infrastructure, portable and battery-powered test equipment, industrial data acquisition modules, and any multi-sensor array requiring synchronized eight-channel sampling. Per-channel shutdown allows unused channels to be turned off, reducing the average power consumption of a partially populated system significantly compared with always-on designs.
Designers should plan decoupling close to each supply pin and follow the LVDS output routing guidelines in the manufacturer datasheet to maintain signal integrity across the eight serial lanes. The serial programming interface allows per-channel resolution selection, sample-rate configuration, and shutdown control, enabling software-defined power management. No mid-band analog trim is required thanks to the integrated internal reference.
Bộ thay thế dễ dàng lắp đặt cho CDK8307AILP64 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với CDK8307AILP64 (cùng hình factor và footprint) — khác nhau ở Control Interface, Package, Reference, Resolution, Architecture.
CDK8307CILP64
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →CDK8307AILP64G
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
CDK8307BILP64
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADS5281IRGCT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADS5282IRGCT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CDK8307AILP64 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12/13-bit (selectable) |
| Number of Channels | 8 (simultaneous sampling) |
| Sample Rate Range | 20 / 40 / 50 / 65 / 80 MSPS |
| Architecture | Pipelined ADC with proprietary core |
| Output Interface | Serial LVDS |
| Reference | Internal reference (integrated) |
| Power Dissipation (Typ) | Ultra-low power (per-channel shutdown) |
| Shutdown Modes | Per-channel + full-chip idle (via external pin) |
| Control Interface | Serial programming interface (SPI-style) |
| FPGA Compatibility | Designed to interface with major FPGA vendors |
| Hộp | 64-pin QFN (ILP64) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Original Brand | Cadeka / Exar (now MaxLinear) |
Cấu hình chân CDK8307AILP64
| Chân 1 | VD_A — Analog supply (channel) |
| Chân 2 | GND_A — Analog ground |
| Chân 3 | AINP1 — Channel 1 positive analog input |
| Chân 4 | AINN1 — Channel 1 negative analog input |
| Chân 5 | VCMA — Common-mode voltage |
| Chân 6 | AINP2 — Channel 2 positive analog input |
| Chân 7 | AINN2 — Channel 2 negative analog input |
| Chân 8 | GND_A — Analog ground |
| Chân 9 | AINP3 — Channel 3 positive analog input |
| Chân 10 | AINN3 — Channel 3 negative analog input |
| Chân 11 | AINP4 — Channel 4 positive analog input |
| Chân 12 | AINN4 — Channel 4 negative analog input |
| Chân 13 | VCMA — Common-mode voltage |
| Chân 14 | GND_A — Analog ground |
| Chân 15 | AINP5 — Channel 5 positive analog input |
| Chân 16 | AINN5 — Channel 5 negative analog input |
| Chân 17 | AINP6 — Channel 6 positive analog input |
| Chân 18 | AINN6 — Channel 6 negative analog input |
| Chân 19 | GND_A — Analog ground |
| Chân 20 | AINP7 — Channel 7 positive analog input |
| Chân 21 | AINN7 — Channel 7 negative analog input |
| Chân 22 | AINP8 — Channel 8 positive analog input |
| Chân 23 | AINN8 — Channel 8 negative analog input |
| Chân 24 | VCMA — Common-mode voltage |
| Chân 25 | VD_A — Analog supply |
| Chân 26 | GND_D — Digital ground |
| Chân 27 | VD_D — Digital supply |
| Chân 28 | GND_D — Digital ground |
| Chân 29 | CLK+ — Differential clock input (positive) |
| Chân 30 | CLK- — Differential clock input (negative) |
| Chân 31 | GND_D — Digital ground |
| Chân 32 | IDLE — Full-chip idle control pin (function per register) |
| Chân 33 | RESET — Hardware reset |
| Chân 34 | CSB — Serial interface chip select (active low) |
| Chân 35 | SCLK — Serial interface clock |
| Chân 36 | SDIO — Serial interface data input/output |
| Chân 37 | SDO — Serial interface data output |
| Chân 38 | VD_D — Digital supply |
| Chân 39 | GND_D — Digital ground |
| Chân 40 | OUT1+ — LVDS serialized data output pair 1 positive |
| Chân 41 | OUT1- — LVDS serialized data output pair 1 negative |
| Chân 42 | OUT2+ — LVDS serialized data output pair 2 positive |
| Chân 43 | OUT2- — LVDS serialized data output pair 2 negative |
| Chân 44 | GND_D — Digital ground |
| Chân 45 | OUT3+ — LVDS serialized data output pair 3 positive |
| Chân 46 | OUT3- — LVDS serialized data output pair 3 negative |
| Chân 47 | OUT4+ — LVDS serialized data output pair 4 positive |
| Chân 48 | OUT4- — LVDS serialized data output pair 4 negative |
| Chân 49 | DCLK+ — LVDS data clock positive |
| Chân 50 | DCLK- — LVDS data clock negative |
| Chân 51 | GND_D — Digital ground |
| Chân 52 | OUT5+ — LVDS serialized data output pair 5 positive |
| Chân 53 | OUT5- — LVDS serialized data output pair 5 negative |
| Chân 54 | OUT6+ — LVDS serialized data output pair 6 positive |
| Chân 55 | OUT6- — LVDS serialized data output pair 6 negative |
| Chân 56 | OUT7+ — LVDS serialized data output pair 7 positive |
| Chân 57 | OUT7- — LVDS serialized data output pair 7 negative |
| Chân 58 | GND_D — Digital ground |
| Chân 59 | OUT8+ — LVDS serialized data output pair 8 positive |
| Chân 60 | OUT8- — LVDS serialized data output pair 8 negative |
| Chân 61 | VD_D — Digital supply |
| Chân 62 | GND_D — Digital ground |
| Chân 63 | REFIO — Reference input/output (external reference bypass) |
| Chân 64 | EP — Exposed pad / thermal pad (must be soldered to PCB ground for thermal dissipation) |
Ứng dụng tiêu biểu
CDK8307AILP64 phù hợp cho 7 Áp dụngs: Multi-Channel Data Acquisition Module, Medical Imaging Front-End, Wireless Communications Baseband, Portable / Battery-Powered Test Equipment, Industrial Automation & Multi-Sensor Arrays, Radar / Phased-Array Signal Processing, Audio / Acoustic Measurement Arrays.
Multi-Channel Data Acquisition Module
The CDK8307AILP64's 8 simultaneous-sampling channels at up to 80 MSPS make it ideal for industrial data-acquisition modules where multiple sensor streams must be digitized with deterministic channel-to-channel phase alignment. According to the MaxLinear datasheet, the integrated internal reference and serial LVDS output simplify signal-chain design, while per-channel shutdown cuts power when only a subset of inputs is active, supporting partial-load efficiency. With a 12/13-bit selectable resolution, the device delivers sufficient dynamic range for vibration, acoustic, and vibration-monitoring arrays in factory automation.
Được đề xuất
Medical Imaging Front-End
Medical ultrasound and portable imaging front-ends benefit from the CDK8307AILP64's 8-channel parallel digitization up to 80 MSPS with serial LVDS output directly into an FPGA beamformer or image-processing pipeline. The MaxLinear datasheet highlights per-channel shutdown for energy-aware operation in battery-powered bedside units and the proprietary low-power architecture that keeps thermal dissipation manageable in compact enclosures. Selectable 12/13-bit resolution allows designers to tune SNR vs sample rate per transducer bandwidth, while the internal reference reduces external analog BOM.
Được đề xuất
Wireless Communications Baseband
Wireless baseband receivers and multi-antenna signal-processing cards use the CDK8307AILP64 to digitize 8 analog IF/RF channels simultaneously, with LVDS serialization keeping the FPGA-side pin count manageable. According to the MaxLinear datasheet, the proprietary pipelined core maintains SFDR performance across the 20-80 MSPS range, and the global idle pin enables fast standby transitions for TDMA/TDD systems. Per-channel shutdown is particularly useful in MIMO subsystems where individual antenna paths can be powered down during low-traffic intervals.
Được đề xuất
Portable / Battery-Powered Test Equipment
Handheld oscilloscope probes, portable logic analyzers, and field-test instruments benefit from the CDK8307AILP64's ultra-low-power architecture with per-channel shutdown, enabling 8-channel acquisition in battery-operated form factors. According to the MaxLinear datasheet, only active channels need to be powered, extending battery life for intermittent multi-channel captures, and the LVDS output streams minimize FPGA-side pin usage. The internal reference eliminates the need for a precision external reference IC, reducing BOM and board area in compact test gear.
Được đề xuất
Industrial Automation & Multi-Sensor Arrays
Factory-automation controllers and multi-sensor condition-monitoring systems use the CDK8307AILP64 to digitize 8 channels of vibration, current, or strain-gauge data simultaneously for FFT-based diagnostics. With selectable 12/13-bit resolution at up to 80 MSPS, the ADC captures rotating-machine signatures for predictive maintenance, while per-channel shutdown lets the system idle unused channels in a sparsely populated rack. The MaxLinear datasheet specifies that the serial LVDS output integrates cleanly with FPGA-based controllers and supports deterministic channel-to-channel sampling skew.
Được đề xuất
Radar / Phased-Array Signal Processing
Phased-array and AESA radar subsystems benefit from the CDK8307AILP64's 8-channel simultaneous sampling and deterministic latency, which preserves the inter-element phase relationships required for beamforming and angle-of-arrival estimation. According to the MaxLinear datasheet, the serial LVDS output format transports synchronized channel data over a small connector footprint, simplifying PCB routing between the analog front end and the FPGA beamformer. The proprietary low-power core improves array thermal budget, enabling higher-channel-count systems within the same cooling envelope.
Được đề xuất
Audio / Acoustic Measurement Arrays
Multi-microphone acoustic measurement arrays, beamforming microphone arrays, and acoustic-camera front-ends use the CDK8307AILP64 to digitize 8 microphone channels at up to 80 MSPS while preserving inter-channel phase coherence needed for direction-of-arrival algorithms. According to the MaxLinear datasheet, the integrated internal reference simplifies the analog front end, and per-channel shutdown minimizes power in beam patterns where only a subset of microphones are active. The compact 64-pin QFN package fits dense microphone-array PCB layouts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho CDK8307AILP64 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | CDK8307CILP64 | CDK8307AILP64G | CDK8307BILP64 | ADS5281IRGCT | ADS5282IRGCT |
|---|---|---|---|---|---|---|
| Package | 64-pin QFN (ILP64) | 64-pin QFN (ILP64) - same family | 64-pin QFN (ILP64) - same die | 64-pin QFN (ILP64) - same family | 64-pin QFN (RGC) - same pin count | 64-pin QFN (RGC) - same pin count |
| Brand | MaxLinear | MaxLinear (same brand) | MaxLinear (same brand) | MaxLinear (same brand) | Texas Instruments | Texas Instruments |
| Resolution | 12/13-bit selectable | 12/13-bit selectable | 12/13-bit selectable | 12/13-bit selectable | 12-bit | 12-bit |
| Maximum Sample Rate | 80 MSPS | 80 MSPS | 80 MSPS | 80 MSPS | 50 MSPS (-37%) | 65 MSPS (-19%) |
| Number of Channels | 8 | 8 | 8 | 8 | 8 | 8 |
| Output Interface | Serial LVDS | Serial LVDS | Serial LVDS | Serial LVDS | Parallel LVDS / DDR | Parallel LVDS / DDR |
| Internal Reference | Yes | Yes | Yes | Yes | External / internal select | External / internal select |
| Per-Channel Shutdown | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Selectable 12/13-bit resolution per part number family (vsADS5281IRGCT)
- Up to 80 MSPS maximum sample rate versus 65 MSPS for closest TI octal ADC (vsADS5282IRGCT)
- Full-chip idle pin configurable via serial programming (vsADS5281IRGCT)
Ghi chú thiết kế
The 64-pin QFN package has an exposed thermal pad on the underside that MUST be soldered to a ground copper pour on the top PCB layer for thermal dissipation, per the MaxLinear datasheet layout guidelines. Use thermal vias in a grid pattern (8-12 vias, 0.3 mm drill, 0.65 mm pitch) directly under the EP to carry heat into inner ground planes. Ground plane continuity between top and inner layers reduces both thermal resistance and electrical ground impedance at the high-edge rates of the LVDS outputs.
Estimated: at 80 MSPS across all 8 channels with LVDS outputs toggling at the data rate, route each LVDS pair as a tightly-coupled 100-ohm differential transmission line (trace width matched to 0.1 mm differential pair spacing) and minimize the distance to the FPGA receiving pins. Place the 0.1 uF supply decoupling capacitors within 2 mm of each VD_D pin, and add a 10 uF bulk capacitor nearby. Per the MaxLinear datasheet, the analog input traces should be length-matched within the channel group to preserve inter-channel sample skew below 50 ps.
Do not apply a clock signal to the CLK+/CLK- inputs before the supplies have ramped, as the proprietary pipelined core can latch up under partial bias; the MaxLinear datasheet specifies a power-sequencing requirement. Also, when using per-channel shutdown, ensure the LVDS biasing network reference is stable to avoid data-corrupt transitions on re-enabled channels. Verify the IDLE pin's configured function (set via serial programming) before relying on it for full-chip standby in production firmware.
Thông tin tuân thủ
RoHS-compliant per MaxLinear product page. Original manufacturer Cadeka acquired by Exar (now MaxLinear). Automotive (AEC-Q100) qualification not applicable to this industrial/consumer ADC.
