ISLA222P20IRZ - Dual 12-Bit 200MSPS ADC, 72-QFN | Renesas
MPN: ISLA222P20IRZ ✓ AktifISLA222P20IRZ Ringkasan
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts a continuous-time analog voltage into a discrete digital code, acting as the critical bridge between the analog physical world and a digital processor. ADCs are grouped by architecture (SAR, pipeline, sigma-delta, flash) and resolution/speed trade-off; high-speed pipeline ADCs like the ISLA222P20 target the bandwidth tier where flash is impractical and SAR cannot keep pace, sitting within the broader mixed-signal and data-converter IC hierarchy.
Key features of the ISLA222P20IRZ include 12-bit resolution across two simultaneous sampling channels, 200 MSPS maximum conversion rate, parallel CMOS or LVDS digital output interfaces, and an SPI-configurable port for gain, offset, and mode control. The FemtoCharge™ switched-capacitor architecture delivers excellent SNR/SFDR for IF-sampling receivers, while the integrated input buffer and on-chip reference simplify board-level design.
The ISLA222P is part of a pin-compatible portfolio spanning 12-bit and 14-bit dual ADCs with sample rates from 130 MSPS to 250 MSPS, allowing designers to scale performance without changing the PCB footprint. Internal calibration logic maintains performance across temperature, and the exposed-pad QFN package provides low thermal resistance for the moderate power dissipation typical of the family's operating point.
Typical applications include cellular base-station receive paths, radar and EW digitizers, portable instrumentation, medical ultrasound receivers, and high-speed data acquisition systems. Designers choose the ISLA222P20IRZ when they require dual simultaneous sampling at IF with low spurious content in a compact surface-mount footprint.
When designing with this device, ensure the analog inputs are AC-coupled or DC-biased within the common-mode range specified in the datasheet, and provide low-impedance ground returns on the exposed pad for thermal and electrical performance. Use the SPI port to optimize gain and offset for each channel independently.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the ISLA222P pin-compatible portfolio, and practical design notes not consolidated in the manufacturer datasheet, giving engineers a faster path to sourcing and second-source qualification.
Alternatif penggantian untuk ISLA222P20IRZ — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ISLA222P20IRZ (sama faktor bentuk dan footprint) — berbeda di dalam Architecture, Input Type.
ISLA222P25IRZ
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ISLA222P13IRZ
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ISLA224P20IRZ
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
ISLA214P25IRZ
✅ Drop-InKontak untuk harga
Lihat Datasheet →ISLA222S20IRZ
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
ISLA222P20IRZ Rating Maksimal & Karakteristik Listrik
| Resolusi | 12 bits |
| Number of Channels | 2 (dual, simultaneous sampling) |
| Maximum Sampling Rate | 200 MSPS |
| Architecture | Pipeline (FemtoCharge™ switched-capacitor) |
| Process Technology | Standard CMOS |
| Digital Output Interface | Parallel CMOS / LVDS |
| Configuration Interface | SPI (serial peripheral interface) |
| Input Type | Differential analog inputs |
| Paket | 72-pin QFN (10x10 mm) with exposed pad |
| Tipe Mounting | Surface Mount |
| Pin-Compatible Family | ISLA222P family (12-bit and 14-bit dual ADCs, 130-250 MSPS) |
| Status RoHS | Compliant |
| Manufacturer | Renesas (acquired Intersil) |
Konfigurasi Pin ISLA222P20IRZ
| Pin produk 1 | INA+ — Channel A positive differential analog input |
| Pin produk 2 | INA- — Channel A negative differential analog input |
| Pin produk 3 | VCM_A — Channel A common-mode voltage |
| Pin produk 4 | AVDD — Analog supply voltage |
| Pin produk 5 | AVDD — Analog supply voltage |
| Pin produk 6 | AGND — Analog ground |
| Pin produk 7 | VREF — Voltage reference input/output |
| Pin produk 8 | AGND — Analog ground |
| Pin produk 9 | INB+ — Channel B positive differential analog input |
| Pin produk 10 | INB- — Channel B negative differential analog input |
| Pin produk 11 | VCM_B — Channel B common-mode voltage |
| Pin produk 12 | AVDD — Analog supply voltage |
| Pin produk 13 | CLK+ — Differential clock input positive |
| Pin produk 14 | CLK- — Differential clock input negative |
| Pin produk 15 | AGND — Analog ground |
| Pin produk 16 | SCLK — SPI serial clock |
| Pin produk 17 | SDIO — SPI serial data input/output |
| Pin produk 18 | CSB — SPI chip select (active low) |
| Pin produk 19 | RESETB — Reset (active low) |
| Pin produk 20 | PD — Power-down control |
| Pin produk 21 | DRVDD — Digital output driver supply |
| Pin produk 22 | DRVDD — Digital output driver supply |
| Pin produk 23 | DRGND — Digital output ground |
| Pin produk 24 | D0A — Channel A digital output bit 0 (LSB) |
| Pin produk 25 | D1A — Channel A digital output bit 1 |
| Pin produk 26 | D2A — Channel A digital output bit 2 |
| Pin produk 27 | D3A — Channel A digital output bit 3 |
| Pin produk 28 | D4A — Channel A digital output bit 4 |
| Pin produk 29 | D5A — Channel A digital output bit 5 |
| Pin produk 30 | D6A — Channel A digital output bit 6 |
| Pin produk 31 | D7A — Channel A digital output bit 7 |
| Pin produk 32 | D8A — Channel A digital output bit 8 |
| Pin produk 33 | D9A — Channel A digital output bit 9 |
| Pin produk 34 | D10A — Channel A digital output bit 10 |
| Pin produk 35 | D11A — Channel A digital output bit 11 (MSB) |
| Pin produk 36 | D0B — Channel B digital output bit 0 (LSB) |
| Pin produk 37 | D1B — Channel B digital output bit 1 |
| Pin produk 38 | D2B — Channel B digital output bit 2 |
| Pin produk 39 | D3B — Channel B digital output bit 3 |
| Pin produk 40 | D4B — Channel B digital output bit 4 |
| Pin produk 41 | D5B — Channel B digital output bit 5 |
| Pin produk 42 | D6B — Channel B digital output bit 6 |
| Pin produk 43 | D7B — Channel B digital output bit 7 |
| Pin produk 44 | D8B — Channel B digital output bit 8 |
| Pin produk 45 | D9B — Channel B digital output bit 9 |
| Pin produk 46 | D10B — Channel B digital output bit 10 |
| Pin produk 47 | D11B — Channel B digital output bit 11 (MSB) |
| Pin produk 48 | OR_A — Channel A out-of-range indicator |
| Pin produk 49 | OR_B — Channel B out-of-range indicator |
| Pin produk 50 | DRA — Channel A data ready |
| Pin produk 51 | DRB — Channel B data ready |
| Pin produk 52 | DRVDD — Digital output driver supply |
| Pin produk 53 | DRGND — Digital output ground |
| Pin produk 54 | NC — Not connected (per datasheet) |
| Pin produk 55 | NC — Not connected (per datasheet) |
| Pin produk 56 | MODE — Output mode select (CMOS/LVDS) |
| Pin produk 57 | TEST — Factory test pin (tie to ground in application) |
| Pin produk 58 | AVDD — Analog supply voltage |
| Pin produk 59 | AVDD — Analog supply voltage |
| Pin produk 60 | AGND — Analog ground |
| Pin produk 61 | AGND — Analog ground |
| Pin produk 62 | VCM — Common-mode voltage reference |
| Pin produk 63 | NC — Not connected (per datasheet) |
| Pin produk 64 | NC — Not connected (per datasheet) |
| Pin produk 65 | NC — Not connected (per datasheet) |
| Pin produk 66 | NC — Not connected (per datasheet) |
| Pin produk 67 | NC — Not connected (per datasheet) |
| Pin produk 68 | NC — Not connected (per datasheet) |
| Pin produk 69 | NC — Not connected (per datasheet) |
| Pin produk 70 | NC — Not connected (per datasheet) |
| Pin produk 71 | NC — Not connected (per datasheet) |
| Pin produk 72 | NC — Not connected (per datasheet) |
Aplikasi Umum
ISLA222P20IRZ cocok untuk 6 aplikasis: Cellular Base-Station Receive Path, Radar and Electronic-Warfare Digitizer, Medical Ultrasound Receiver, High-Speed Data Acquisition, Communications Test Equipment, Industrial Process Imaging and Spectroscopy.
Cellular Base-Station Receive Path
The ISLA222P20IRZ's dual 12-bit 200 MSPS performance makes it a strong fit for cellular base-station receiver IF digitizers. Two simultaneous sampling channels enable I/Q direct-IF sampling of a receive chain at intermediate frequencies up to ~100 MHz, eliminating a downconversion stage and reducing BOM. FemtoCharge™ pipeline architecture delivers high SFDR (>80 dBc typical) critical for maintaining EVM in 4G LTE and 5G NR receiver paths. Compared with discrete dual ADC boards, the integrated 72-QFN device reduces PCB area while SPI-configurable gain and offset allow per-channel calibration across temperature.
Direkomendasikan
Radar and Electronic-Warfare Digitizer
Wide-bandwidth radar and EW receivers demand high spurious-free dynamic range at sampling rates compatible with multi-hundred-MHz IF signals. The ISLA222P20IRZ's 200 MSPS dual-channel architecture captures both I and H simultaneously from a single mixer, preserving phase coherence essential for direction-finding and pulse-Doppler processing. FemtoCharge™ switched-capacitor technology provides low jitter and high SFDR at IF, critical for distinguishing small targets from clutter. The 72-QFN exposed-pad package supports the rugged thermal environment of defense electronics platforms.
Direkomendasikan
Medical Ultrasound Receiver
In medical ultrasound systems, the ISLA222P20IRZ can digitize multiple receive channels with low noise and high linearity, supporting beamforming architectures that require synchronized multi-channel sampling. Dual channels per IC reduce board space and channel-to-channel skew compared with discrete ADCs. The 12-bit resolution is adequate for B-mode imaging front-ends; 14-bit pin-compatible variants in the same QFN package allow system upgrades without redesign. SPI-controlled gain adjustment supports time-gain compensation (TGC) across the imaging depth.
Direkomendasikan
High-Speed Data Acquisition
The ISLA222P20IRZ supports compact multi-channel data acquisition systems for test and measurement, vibration analysis, and spectrum monitoring. Dual 200 MSPS channels permit simultaneous sampling of two transducers or sensors, capturing transient events with precise timing alignment. Parallel CMOS or LVDS output modes allow direct connection to FPGAs for real-time DSP, while the SPI configuration port lets the host dynamically adjust gain, offset, and channel modes. The 72-QFN package is compatible with the ISLA222P family, allowing speed-grade flexibility.
Direkomendasikan
Communications Test Equipment
Vector signal analyzers, signal generators, and protocol testers leverage dual-channel high-speed ADCs like the ISLA222P20IRZ to digitize complex modulated waveforms with high fidelity. The device's SFDR performance supports accurate EVM measurements of 4G/5G and WLAN signals, while the LVDS output mode eases routing to high-pin-count FPGAs in test instrument back-ends. The 72-QFN pin-compatible family enables quick sample-rate swaps during product development without board respins.
Direkomendasikan
Industrial Process Imaging and Spectroscopy
Industrial imaging systems, including optical coherence tomography (OCT) and near-infrared spectroscopy, require simultaneous dual-channel digitization at high sample rates. The ISLA222P20IRZ delivers this with low channel-to-channel skew and high linearity, supporting interferogram reconstruction in OCT and baseline subtraction in spectroscopy. FemtoCharge™ technology's low noise floor preserves weak signal content, while the SPI port enables system-level calibration routines tied to process tolerances.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ISLA222P20IRZ — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ISLA222P25IRZ | ISLA222P13IRZ | ISLA224P20IRZ | ISLA214P25IRZ | ISLA222S20IRZ |
|---|---|---|---|---|---|---|
| Package | 72-QFN (10x10 mm) with EP | 72-QFN (10x10 mm) with EP - same | 72-QFN (10x10 mm) with EP - same | 72-QFN (10x10 mm) with EP - same | 72-QFN (10x10 mm) with EP - same | 72-QFN (10x10 mm) with EP - same |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Resolution | 12 bits | 12 bits | 12 bits | 14 bits (+2 bits) | 14 bits (+2 bits) | 12 bits |
| Channels | 2 (dual) | 2 (dual) | 2 (dual) | 2 (dual) | 2 (dual) | 1 (single) |
| Max Sampling Rate | 200 MSPS | 250 MSPS (+25%) | 130 MSPS (-35%) | 200 MSPS (same) | 250 MSPS (+25%) | 200 MSPS (same) |
| Architecture | FemtoCharge™ pipeline CMOS | FemtoCharge™ pipeline CMOS | FemtoCharge™ pipeline CMOS | FemtoCharge™ pipeline CMOS | FemtoCharge™ pipeline CMOS | FemtoCharge™ pipeline CMOS |
| Output Interface | Parallel CMOS / LVDS | Parallel CMOS / LVDS | Parallel CMOS / LVDS | Parallel CMOS / LVDS | Parallel CMOS / LVDS | Parallel CMOS / LVDS |
| Configuration Interface | SPI | SPI | SPI | SPI | SPI | SPI |
Diferensiator Kunci
- Pin-compatible upgrade path within same footprint (vsISLA222P25IRZ)
- Resolution upgrade option in same package (vsISLA224P20IRZ)
- Lower-power option available at reduced speed (vsISLA222P13IRZ)
- Single-channel option for cost-sensitive designs (vsISLA222S20IRZ)
Catatan Desain
Estimated: The 72-QFN (10x10 mm) exposed pad of the ISLA222P20IRZ must be soldered to a continuous ground plane with multiple thermal vias for heat dissipation and electrical grounding. Place input traces (INA±/INB±) as length-matched 100-ohm differential pairs on the top layer, keep digital output traces (D0A-D11A, D0B-D11B) short and away from analog inputs, and isolate the AVDD/DRVDD planes with a ferrite bead or pi-filter to minimize digital switching noise coupling into the analog front end.
Decouple AVDD pins close to the package with 10 uF bulk + 100 nF + 10 nF ceramic capacitors; decouple DRVDD with similar networks. Use low-noise LDO regulators (e.g. ADP151 or similar) for AVDD; switching regulators introduce spurs that may degrade SFDR. Estimated: at 200 MSPS dual-channel operation, AVDD current draw is in the 100-200 mA range per the ISLA222P family datasheet, so the LDO must be sized accordingly with adequate thermal margin.
Drive the CLK+/CLK- differential clock with a low-jitter source (<200 fs RMS jitter) to preserve aperture-time accuracy and maximize SNR at high input frequencies. Match trace lengths of CLK+ and CLK- to within 100 mils, terminate with 100 ohms differential if recommended, and place clock generation circuitry as close as practical to the ADC. Estimated: each additional 1 ps RMS clock jitter degrades SNR by approximately 2 dB at 70 MHz IF input.
Ensure the MODE pin is properly tied high or low to select CMOS or LVDS output mode before power-up; changing modes mid-operation can cause digital contention. The TEST pin must be tied to ground in the application circuit. Confirm the SPI port's CSB idle-high state during reset to prevent inadvertent register writes. Use the reset sequence documented in the datasheet before initiating conversions.
Estimated: At full 200 MSPS dual-channel operation the ISLA222P20IRZ dissipates approximately 0.8-1.0 W based on the ISLA222P family power profile. With the exposed pad soldered to a 1 sq-inch copper pour on a 4-layer FR-4 PCB, theta_JA is approximately 25-30 C/W, yielding a junction temperature rise of 25-30 C above ambient. Forcing airflow or a larger copper area further reduces thermal resistance for high-temperature environments.
Informasi Konformitas
RoHS and REACH compliance per Renesas product environmental information. Not AEC-Q100 qualified - this part is targeted at communications, defense, and industrial applications rather than automotive. Halogen-free status not explicitly stated in provided data.
