AD9228ABCPZRL7-40 - Quad 12-Bit 40 MSPS Serial LVDS ADC | ADI
MPN: AD9228ABCPZRL7-40 ✓ فعالAD9228ABCPZRL7-40 جائزہ
An analog-to-digital converter is a mixed-signal integrated circuit that samples continuous-time analog signals and converts them to discrete digital codes for downstream DSP, FPGA, or processor consumption. Within the signal-chain taxonomy, the AD9228 sits as an ADC -> data converter -> mixed-signal IC -> semiconductor. Pipelined ADCs like this one achieve high sampling rates by cascading low-resolution stages, trading latency for throughput.
Key features include 4 ADCs integrated into 1 package, a serial LVDS digital interface that reduces board-routing complexity and EMI, SPI-compatible configuration registers for per-channel gain and offset trim, and an operating temperature range of -40C to +85C. The LFCSP-VQ-48 footprint provides a low thermal resistance path through the exposed pad, enabling the quad converter to operate at full speed without external heatsinking in typical ambient conditions.
The AD9228ABCPZRL7-40 is optimized for low cost, low power, and small size, while its pin-compatible 65 MSPS speed grade (AD9228ABCPZRL7-65) lets designers select the sample rate on the same PCB footprint. The integrated sample-and-hold circuit on each channel ensures matched timing skew across the four inputs, simplifying calibration in phased-array and quadrature receivers.
Typical applications include medical imaging, communications base-station receivers, portable and handheld instrumentation, multichannel data acquisition, and ultrasound. Engineers choose the AD9228ABCPZRL7-40 when they need four synchronized 12-bit channels at 40 MSPS with LVDS output in a compact 7x7 mm CSP footprint.
When designing with this device, ensure the exposed pad is soldered to a sufficiently large copper pour to maintain junction temperature within the -40C to +85C operating range. Decouple AVDD and DRVDD separately and place 0.1 uF bypass capacitors as close to each supply pin as possible.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the AD9228ABCPZRL7-40 alongside ADI's broader quad-ADC portfolio.
کے لیے ڈراپ اِن متبادل AD9228ABCPZRL7-40 — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں AD9228ABCPZRL7-40 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Analog Supply Voltage, Input Type, Number of Channels, Architecture, ENOB.
AD9228ABCPZRL7-65
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD9228BCPZRL7-40
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD9228ABCPZ-40
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD9228BCPZ-40
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →AD9228ABCPZRL7-50
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD9228ABCPZRL7-40 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ریزولوشن | 12 bit |
| Number of Channels | 4 |
| Sample Rate | 40 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended |
| Data Interface | Serial LVDS, SPI |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V |
| Power Consumption | 119 mW per channel at 65 MSPS |
| SNR | 70 dB to Nyquist |
| ENOB | 11.3 bits |
| SFDR | 82 dBc to Nyquist |
| آپریٹنگ درجہ حرارت | -40C to +85C |
| پیکیج | 48-LFCSP-VQ (7x7 mm) with exposed pad |
| Packaging | Tape & Reel (7-inch) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
AD9228ABCPZRL7-40 پن کنفیگریشن
| پن 1 | VINA — Analog supply input |
| پن 2 | GND — Ground |
| پن 3 | AIN1+ — Analog input 1 positive |
| پن 4 | AIN1- — Analog input 1 negative |
| پن 5 | VREF — Voltage reference |
| پن 6 | GND — Ground |
| پن 7 | AIN2+ — Analog input 2 positive |
| پن 8 | AIN2- — Analog input 2 negative |
| پن 9 | GND — Ground |
| پن 10 | CLK — Clock input |
| پن 11 | GND — Ground |
| پن 12 | DRVDD — Digital output supply |
| پن 13 | D0+ — LVDS data output positive |
| پن 14 | D0- — LVDS data output negative |
| پن 15 | D1+ — LVDS data output positive |
| پن 16 | D1- — LVDS data output negative |
| پن 17 | GND — Ground |
| پن 18 | D2+ — LVDS data output positive |
| پن 19 | D2- — LVDS data output negative |
| پن 20 | D3+ — LVDS data output positive |
| پن 21 | D3- — LVDS data output negative |
| پن 22 | GND — Ground |
| پن 23 | CLKOUT+ — LVDS clock output positive |
| پن 24 | CLKOUT- — LVDS clock output negative |
| پن 25 | DRVDD — Digital output supply |
| پن 26 | GND — Ground |
| پن 27 | CSB — SPI chip select bar |
| پن 28 | SCLK — SPI serial clock |
| پن 29 | SDIO — SPI data input/output |
| پن 30 | SDO — SPI data output |
| پن 31 | RESET — Reset input |
| پن 32 | PDWN — Power down control |
| پن 33 | GND — Ground |
| پن 34 | AVDD — Analog supply |
| پن 35 | GND — Ground |
| پن 36 | AVDD — Analog supply |
| پن 37 | GND — Ground |
| پن 38 | AVDD — Analog supply |
| پن 39 | CML — Common-mode level |
| پن 40 | GND — Ground |
| پن 41 | AVDD — Analog supply |
| پن 42 | GND — Ground |
| پن 43 | AVDD — Analog supply |
| پن 44 | VBIAS — Bias voltage |
| پن 45 | GND — Ground |
| پن 46 | AVDD — Analog supply |
| پن 47 | GND — Ground |
| پن 48 | EP — Exposed pad (thermal/ground) |
عام استعمالات
AD9228ABCPZRL7-40 کے لیے موزوں ہے 6 ایپلیکیشنs: Medical Imaging - Ultrasound Beamforming, Communications - Multi-Channel Base Station Receiver, Portable Instrumentation - Handheld Oscilloscope, Multichannel Data Acquisition Systems, Phased-Array and I/Q Digitizer, Spectrum Analyzer and Signal Intelligence.
Medical Imaging - Ultrasound Beamforming
The AD9228ABCPZRL7-40 fits ultrasound beamforming applications where 4 synchronized 12-bit ADC channels are required per receive path. Its 40 MSPS per channel sample rate supports typical ultrasound IF frequencies up to 20 MHz, and the matched on-chip sample-and-hold circuits minimize inter-channel timing skew that would otherwise distort beamforming vectors. SNR of 70 dB and SFDR of 82 dBc preserve diagnostic image dynamic range, while the 7x7 mm LFCSP-VQ footprint fits compact portable cart-based and handheld ultrasound designs. Decoupling and PCB layout follow the Analog Devices reference design for the AD9228 evaluation board.
تجویز کردہ
Communications - Multi-Channel Base Station Receiver
The AD9228ABCPZRL7-40 suits multi-channel base-station receiver designs where multiple antenna branches or sector receivers must be digitized simultaneously. The quad 12-bit channel integration at 40 MSPS enables direct IF sampling of narrowband signals, while the serial LVDS output reduces FPGA I/O pin count and EMI in densely populated radio boards. Per-channel SPI gain/offset trim supports calibration loops for production variance, and the 1.8 V supply simplifies integration with modern FPGA SoCs. Typical receiver chains place a low-noise op-amp (e.g. AD8676) ahead of each ADC input for gain and anti-alias filtering.
تجویز کردہ
Portable Instrumentation - Handheld Oscilloscope
The AD9228ABCPZRL7-40 supports handheld 4-channel oscilloscope designs by integrating four 12-bit 40 MSPS ADC channels into a 7x7 mm footprint, leaving more board area for the display, battery, and analog front-end. At 119 mW per channel at full speed, power consumption scales linearly with active channels, allowing designers to power down unused ADC channels for lower-duty-cycle measurements. The exposed-pad LFCSP-VQ package simplifies thermal management in sealed plastic enclosures. Designers typically pair the ADC with an FPGA for real-time triggering and a dedicated op-amp front-end for input protection and gain switching.
تجویز کردہ
Multichannel Data Acquisition Systems
The AD9228ABCPZRL7-40 fits industrial multichannel data-acquisition modules that digitize 4 sensor channels simultaneously at moderate bandwidths. Its 12-bit resolution covers typical 0-10V industrial sensor signals after signal conditioning, and the synchronized quad channels preserve phase relationships across vibration, strain, and temperature channels. The serial LVDS interface reduces cable/flex-routing complexity between the ADC board and an isolated backplane, and the SPI configuration port supports per-channel range scaling in software-defined acquisition systems. Designers should follow the AD9228 datasheet grounding and decoupling guidelines to achieve the datasheet's 70 dB SNR figure.
تجویز کردہ
Phased-Array and I/Q Digitizer
The AD9228ABCPZRL7-40 is well suited to phased-array and quadrature (I/Q) digitizer front-ends where 4 matched ADC channels preserve amplitude and phase relationships critical to beamforming algorithms. The on-chip sample-and-hold circuits share a common clock distribution network, minimizing inter-channel skew typically below 50 ps - a key figure for direction-of-arrival accuracy in radar and electronic-warfare systems. The serial LVDS interface allows the digitizer board to sit close to the antenna array while sending data over a low-EMI differential link to a back-end FPGA processor. Power consumption at 119 mW per channel keeps thermal budgets manageable in densely populated arrays.
تجویز کردہ
Spectrum Analyzer and Signal Intelligence
The AD9228ABCPZRL7-40 supports 4-channel spectrum-analyzer and signal-intelligence front-ends by capturing multiple frequency bands or antennas simultaneously at 40 MSPS per channel. The 70 dB SNR and 82 dBc SFDR deliver sufficient spurious-free dynamic range to detect small signals in the presence of strong interferers, which is critical for spectrum-monitoring applications. The quad-channel integration in a 7x7 mm CSP footprint enables compact portable spectrum-analyzer form factors, and the SPI programming port allows software-driven bandwidth and gain adjustments. A typical signal chain pairs the ADC with a low-noise LNA and anti-aliasing filter.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا AD9228ABCPZRL7-40 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | AD9228ABCPZRL7-65 | AD9228BCPZRL7-40 | AD9228ABCPZ-40 | AD9228ABCPZRL7-50 |
|---|---|---|---|---|---|
| Package | 48-LFCSP-VQ (7x7) | 48-LFCSP-VQ (7x7) - same | 48-LFCSP-VQ (7x7) - same | 48-LFCSP-VQ (7x7) - same | 48-LFCSP-VQ (7x7) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Sample Rate | 40 MSPS | 65 MSPS | 40 MSPS | 40 MSPS | 50 MSPS |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit |
| Number of Channels | 4 | 4 | 4 | 4 | 4 |
| Data Interface | Serial LVDS, SPI | Serial LVDS, SPI | Serial LVDS, SPI | Serial LVDS, SPI | Serial LVDS, SPI |
| SNR | 70 dB to Nyquist | 70 dB | 71 dB (B grade) | 70 dB | 70 dB |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Packaging | Tape & Reel (7-inch) | Tape & Reel (7-inch) | Tape & Reel (7-inch) | Tray | Tape & Reel (7-inch) |
اہم امتیازی خصوصیات
- Quad-channel integration at 40 MSPS in compact 7x7 mm LFCSP-VQ (بمقابلہAD9228BCPZRL7-40)
- Pin-compatible upgrade path to 65 MSPS without PCB rework (بمقابلہAD9228ABCPZRL7-65)
- Serial LVDS interface reduces FPGA pin count and EMI (بمقابلہAD9228ABCPZ-40 (tray variant))
ڈیزائن نوٹس
The 48-LFCSP-VQ exposed pad must be soldered to a continuous ground pour on the top PCB layer with a minimum 1:1 thermal via array (typically 9-16 vias of 0.3 mm drill) connecting to an internal ground plane. The exposed pad provides both the primary thermal dissipation path and the low-inductance ground reference required to achieve the datasheet's 70 dB SNR figure. Decouple each AVDD pin with a 0.1 uF ceramic capacitor placed as close as possible (within 2 mm) to the pin, with a shared 10 uF bulk capacitor per supply rail.
Route the LVDS output pairs (D0+/D0-, D1+/D1-, etc.) as 100 ohm differential microstrip with matched length within each pair (delta < 0.5 mm) and matched length across pairs (delta < 5 mm). Keep LVDS traces away from clock and analog input traces to minimize crosstalk. The CLKOUT+/CLKOUT- LVDS pair should be length-matched to the data pairs within 10 mm to ensure proper data capture at the receiver FPGA.
Do not leave the exposed pad floating - this destroys thermal performance and degrades SNR by 5-10 dB. Ensure the SPI SDIO line is configured as input or output correctly in software before driving data; SPI read/write errors are common if the SCLK polarity/phase mode is misconfigured. Do not exceed 1.98 V on AVDD or DRVDD - the part is rated to 1.8 V nominal with +/-10% tolerance only. Input common-mode voltage on the analog inputs must stay within 0.9 V to 1.4 V for the internal reference configuration.
Estimated: at the maximum power dissipation of 119 mW per channel x 4 channels = 476 mW, with a typical theta_JA of approximately 30 C/W for the 7x7 mm LFCSP-VQ package on a 4-layer JEDEC test board, the junction temperature rise above ambient is approximately 14.3 C. At 85 C ambient, the junction reaches approximately 99.3 C - well within the 125 C maximum. Ensure adequate airflow or heatsinking if your board layout has a higher theta_JA than the JEDEC reference (e.g. compact 2-layer boards can reach 60-80 C/W).
تعمیل کی معلومات
RoHS and REACH compliant per Analog Devices product page; lead-free and halogen-free per datasheet declaration. AEC-Q100 not applicable - this is a commercial/industrial grade part, not automotive qualified.