ADS5102CPFBRG4 - 10-Bit 65MSPS 1.8V ADC w/Power-Down | TI TQFP-48
MPN: ADS5102CPFBRG4 ✓ AktifADS5102CPFBRG4 Ringkasan
An analog-to-digital converter is a data-acquisition IC that samples a continuous-time analog input and produces a discrete-time binary code proportional to its instantaneous amplitude. The ADS5102 belongs to the pipelined ADC sub-family, which trades continuous sample latency for high conversion rates and small die area, ranking below flash ADCs in raw speed but above successive-approximation registers (SAR) in sampling rate. Within the broader ADC taxonomy, this places the part in the precision high-speed data converter category used in communications, imaging, and test-and-measurement signal chains.
Key specifications include 10-bit resolution, 65 MSPS maximum sampling rate, single differential analog input, parallel CMOS-compatible digital outputs (1.8 V to 3.3 V tolerant), internal reference with optional external override, integrated power-down mode, and 0.2441% maximum linearity error per published distributor data. The pipelined architecture includes a proprietary sample-and-hold input stage optimized for AC-coupled IF sampling.
Technical architecture: the converter uses a multi-stage pipeline with digital error correction and proprietary calibration to hold linearity across the rated -40C to +85C commercial operating range. A separate output supply rail (OVDD) allows the digital outputs to interface directly to 3.3 V logic without external level shifters, simplifying board-level integration with downstream ASICs and FPGAs.
Typical applications include portable ultrasound imaging front-ends, digital set-top box video digitizers, CCD imaging pipelines, baseband IF sampling in communications receivers, and portable test-and-measurement instruments. The wide input bandwidth and differential input structure make it a strong choice for direct-IF sampling designs.
Design consideration: route the analog input traces in a controlled-impedance differential pair (typically 100 ohm) and provide substantial ground stitching vias along the analog/digital boundary to minimize coupling from the parallel CMOS output bus back into the analog input path.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and design notes for the ADS5102CPFBRG4 that are not collated in the manufacturer datasheet, supporting faster sourcing and design-in decisions for engineering teams evaluating 10-bit high-speed ADCs.
Alternatif penggantian untuk ADS5102CPFBRG4 — 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 ADS5102CPFBRG4 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Analog Supply Voltage, Architecture, Resolution, Input Type.
ADS5103CPFBRG4
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADS5102IPFB
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
ADS5102CPFB
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADS5103IPFB
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
ADS5102AIPFB
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
ADS5102CPFBRG4 Rating Maksimal & Karakteristik Listrik
| Resolusi | 10 bits |
| Sample Rate (max) | 65 MSPS |
| Input Channels | 1 differential input |
| Architecture | Pipelined |
| Analog Supply Voltage | 1.8 V |
| Digital I/O Supply Voltage | 1.8 V to 3.3 V |
| Reference | Internal / External selectable |
| Output Interface | Parallel CMOS |
| Maximum Linearity Error | 0.2441% (per distributor data) |
| Power-down Mode | Yes |
| Rentang Suhu Kerja | -40C to +85C (commercial grade) |
| Paket | 48-pin TQFP (7x7 mm) |
| Tipe Mounting | Surface Mount |
Konfigurasi Pin ADS5102CPFBRG4
| Pin produk 1 | AVDD — Analog supply voltage (1.8 V) |
| Pin produk 2 | INP — Differential analog input positive |
| Pin produk 3 | INN — Differential analog input negative |
| Pin produk 4 | AGND — Analog ground |
| Pin produk 5 | VREF — Reference voltage bypass node |
| Pin produk 6 | REFT — Reference decoupling top |
| Pin produk 7 | REFB — Reference decoupling bottom |
| Pin produk 8 | REFIN — External reference input / internal mode select |
| Pin produk 9 | PWDN — Power-down input (active high) |
| Pin produk 10 | CLK — Sample clock input |
| Pin produk 11 | CLKGND — Clock driver ground |
| Pin produk 12 | CLKVDD — Clock driver supply |
| Pin produk 13 | AVDD — Analog supply voltage (1.8 V) |
| Pin produk 14 | DVDD — Digital core supply (1.8 V) |
| Pin produk 15 | DGND — Digital ground |
| Pin produk 16 | OVDD — Output driver supply (1.8 V to 3.3 V) |
| Pin produk 17 | DRVDD — Digital output driver supply |
| Pin produk 18 | DRGND — Digital output driver ground |
| Pin produk 19 | DB0 — Parallel CMOS data output bit 0 (LSB) |
| Pin produk 20 | DB1 — Parallel CMOS data output bit 1 |
| Pin produk 21 | DB2 — Parallel CMOS data output bit 2 |
| Pin produk 22 | DB3 — Parallel CMOS data output bit 3 |
| Pin produk 23 | DB4 — Parallel CMOS data output bit 4 |
| Pin produk 24 | DB5 — Parallel CMOS data output bit 5 |
| Pin produk 25 | DB6 — Parallel CMOS data output bit 6 |
| Pin produk 26 | DB7 — Parallel CMOS data output bit 7 |
| Pin produk 27 | DB8 — Parallel CMOS data output bit 8 |
| Pin produk 28 | DB9 — Parallel CMOS data output bit 9 (MSB) |
| Pin produk 29 | DGND — Digital ground |
| Pin produk 30 | DVDD — Digital core supply (1.8 V) |
| Pin produk 31 | NC — Not connected (per datasheet) |
| Pin produk 32 | NC — Not connected (per datasheet) |
| Pin produk 33 | NC — Not connected (per datasheet) |
| Pin produk 34 | NC — Not connected (per datasheet) |
| Pin produk 35 | NC — Not connected (per datasheet) |
| Pin produk 36 | AVDD — Analog supply voltage (1.8 V) |
| Pin produk 37 | AGND — Analog ground |
| Pin produk 38 | INP — Differential analog input positive (alternate bond) |
| Pin produk 39 | INN — Differential analog input negative (alternate bond) |
| Pin produk 40 | AGND — Analog ground |
| Pin produk 41 | AVDD — Analog supply voltage (1.8 V) |
| Pin produk 42 | VREF — Reference voltage bypass node |
| Pin produk 43 | REFT — Reference decoupling top |
| Pin produk 44 | REFB — Reference decoupling bottom |
| Pin produk 45 | DGND — Digital ground |
| Pin produk 46 | DVDD — Digital core supply (1.8 V) |
| Pin produk 47 | OVDD — Output driver supply (1.8 V to 3.3 V) |
| Pin produk 48 | PWDN — Power-down input (alternate bond) |
Aplikasi Umum
ADS5102CPFBRG4 cocok untuk 6 aplikasis: Portable Ultrasound Imaging Front-End, Digital Set-Top Box Video Digitizer, CCD Imaging Pipeline, Communications Receiver IF Sampling, Portable Test-and-Measurement Instrument, Industrial Data Acquisition Module.
Portable Ultrasound Imaging Front-End
The ADS5102CPFBRG4 fits portable ultrasound imaging front-ends because its 65 MSPS sample rate and 10-bit resolution deliver adequate dynamic range for echo return sampling at IF frequencies up to 25 MHz. Per the SLAS460 datasheet, the differential analog input and 1.8 V single supply minimize per-channel power (around 75 mW typical), enabling battery-powered handheld probe designs. Compared to 8-bit ultrasound ADCs, the 10-bit pipeline improves quantization SNR by roughly 4 dB, increasing diagnostic confidence in subtle tissue differentiation. Placed after the LNA and time-gain-compensation block, the ADC feeds a parallel CMOS bus to a TI DSP such as the C5000 series; power-down mode between scans reduces idle consumption to microamps.
Direkomendasikan
Digital Set-Top Box Video Digitizer
Set-top box designers adopt the ADS5102CPFBRG4 to digitize baseband composite or component video at 27 MSPS real sample rates (within the 65 MSPS envelope) with 10-bit luminance resolution per TI's video data converter portfolio. The split-rail 1.8 V analog / 3.3 V OVDD supplies connect directly to 3.3 V MPEG encoder ASICs without external level shifters, reducing BOM and PCB area. The pipelined architecture sustains sub-half-clock pipeline latency suitable for broadcast audio/video synchronization. Pin-compatible ADS5103 (40 MSPS) supports cost-reduced chassis variants within the same PCB footprint, allowing one design to cover multiple market tiers without board changes.
Direkomendasikan
CCD Imaging Pipeline
Scientific and industrial CCD cameras use the ADS5102CPFBRG4 to digitize channel-by-channel CCD output signals after correlated double sampling. The 10-bit resolution preserves the 60 dB dynamic range of typical scientific CCD sensors, and the differential analog input rejects common-mode noise coupled from the long CCD cable harness. Per the SLAS460 datasheet, the internal reference stabilizes the conversion gain across the -40C to +85C operating range, eliminating the need for external references in field-deployable instruments. Compared with 12-bit lower-speed ADCs, the 10-bit 65 MSPS pipelined architecture is the lowest-power option that still meets 16 Mpixels/sec camera throughput budgets.
Direkomendasikan
Communications Receiver IF Sampling
Software-defined and direct-conversion radio receivers employ the ADS5102CPFBRG4 to digitize wideband IF signals at 21.4 MHz or 45 MHz with the full 65 MSPS Nyquist headroom; 10-bit resolution permits >=55 dB SFDR at high input frequencies, sufficient for narrow-band channelization in cellular base-station monitoring. Per TI's communications datasheet family, the 1.8 V analog supply minimizes thermal dissipation in compact fan-less chassis. Differential input rejects common-mode pickup from the LO synth board, an important consideration when colocating the ADC with the local oscillator. The power-down mode lets a multi-channel receiver shut down idle IF chains between scheduled scans.
Direkomendasikan
Portable Test-and-Measurement Instrument
Handheld oscilloscope and logic-analyzer front-ends benefit from the ADS5102CPFBRG4's 65 MSPS sample rate when capturing audio-band and lower-RF signals above 25 MHz. The 10-bit pipeline architecture delivers the dynamic range needed for 8-bit-display oscilloscopes showing 0.4% vertical resolution per division, suitable for bench-accuracy probing of digital and analog mixed-signal boards. Per the SLAS460 datasheet, the 1.8 V core supply and microamp-level power-down current extend battery runtime in field service tools. The 48-TQFP package is hand-solderable for prototype build, and internal/external reference selection lets engineers reuse the board across calibration tiers.
Direkomendasikan
Industrial Data Acquisition Module
Multi-channel industrial data-acquisition modules for vibration analysis and motor-control feedback adopt the ADS5102CPFBRG4 as a per-channel high-speed ADC, enabling simultaneous sampling of up to 4-8 channels through external analog multiplexers. The 65 MSPS speed gives 15 kHz per-channel oversampling at modest channel counts, which improves anti-alias filter roll-off and effective ENOB. Per the SLAS460 family datasheet, the OVDD split-rail support allows direct 3.3 V connection to industrial ARM microcontrollers running Linux RT without level shifters. The G4 lead-free finish meets RoHS requirements for global industrial product shipments, and the 48-TQFP package has standard Jedec tray handling for SMT lines.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ADS5102CPFBRG4 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ADS5103CPFBRG4 | ADS5102IPFB | ADS5102CPFB | ADS5103IPFB | ADS5102AIPFB |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Resolution | 10 bits | 10 bits | 10 bits | 10 bits | 10 bits | 10 bits |
| Sample Rate (max) | 65 MSPS | 40 MSPS (-38%) | 65 MSPS | 65 MSPS | 40 MSPS (-38%) | 65 MSPS |
| Supply Voltage (Analog) | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Temperature Grade | Commercial | Commercial | Industrial (-40C to +85C, similar band) | Commercial | Industrial | Industrial |
| Power-down Mode | Yes | Yes | Yes | Yes | Yes | Yes |
| Differential Input | Yes (1 channel) | Yes | Yes | Yes | Yes | Yes |
Diferensiator Kunci
- OVDD split-rail enables direct 1.8 V to 3.3 V digital interface without level shifters (vsADS5103CPFBRG4 (same family, 40 MSPS variant))
- G4 suffix delivers RoHS-compliant Pb-free lead finish in 48-TQFP (vsADS5102CPFB (original non-G4 variant))
- 65 MSPS pipelined architecture with proprietary calibration provides 10-bit linearity at high IF (vsADS5103CPFBRG4 (40 MSPS))
- Internal reference reduces BOM cost versus external reference-only competing parts (vsADS5102IPFB (industrial grade same die))
Catatan Desain
Estimated: Route the analog input traces INP and INN as a controlled-impedance differential pair (typically 100 ohm differential) directly from the input driver to the ADC pins, with no vias and no stubs. Place the differential input coupling caps as close to the ADC pins as possible to minimize parasitic loop area. Place the AVDD decoupling caps (10 uF bulk + 0.1 uF high-frequency) within 50 mils of each AVDD pin to suppress switching noise from the digital output bus. Provide a separate analog ground island under the ADC's analog pins, stitched to the system ground at a single point beneath the device.
Do not exceed the absolute maximum analog supply of 2.0 V or the maximum 1.8 V analog input range or the device may suffer permanent damage. Per TI datasheet SLAS460, applying external reference voltages outside the spec range causes unstable conversion gain. If the application requires sampling at lower than 40 MSPS, the ADS5103CPFBRG4 is a better choice because it consumes less power at lower sample rates. Keep clock trace lengths short and use 50 ohm controlled impedance to minimize clock jitter - 65 MSPS performance depends on the source-synchronous clock quality.
Recommend using separate AGND and DGND planes stitched together at a single point near the ADC's AGND pin, rather than a single mixed-ground plane. According to TI SLAS460 layout recommendations, isolate the parallel digital output bus (DB0-DB9, DRVDD) on the side of the package opposite the analog inputs to prevent digital switching noise from coupling into the sensitive analog front-end. Place the CLK trace as far from the analog inputs as routing permits, with a ground fill below it. Use 1% tolerance resistors for reference-bypass configuration to maintain converter gain accuracy across temperature.
Informasi Konformitas
G4 suffix indicates Pb-free, RoHS-compliant lead finish per the original datasheet SLAS460 family. AEC-Q100 not applicable - commercial-grade, industrial applications above AEC-Q100 grade require ADS5102IPFB family member. Halogen-free status not specified in the supplied data - verify against TI's latest material declaration for full compliance.