ADS5102IPFBR - 10-Bit 65MSPS ADC, 1.8V, 48-TQFP | Texas Instruments
N.º da peça: ADS5102IPFBR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.92 | $7,92 |
| 10 | $7.18 | $71,80 |
| 100 | $6.42 | $642,00 |
| 500 | $5.74 | $2.870,00 |
| 1.000 | $5.05 | $5.050,00 |
ADS5102IPFBR Visão geral
A pipelined ADC is a high-speed data converter architecture that processes input samples through a cascade of low-resolution stages, each producing a coarse residue that the next stage refines; this parallel-by-stage approach enables sample rates from tens to hundreds of MSPS while keeping die area and power manageable. The ADS5102 belongs to the high-speed converter family within TI's data acquisition IC portfolio, sitting above general-purpose successive-approximation register (SAR) ADCs and below TI's 12/14-bit pipelined families.
Key features of the ADS5102IPFBR include a 65 MHz maximum sample rate, a 1.8 V analog supply, CMOS-compatible digital outputs (1.8 V/3.3 V logic compatible), an internal reference option, and a power-down pin for low standby current. It accepts a differential analog input, which improves common-mode noise rejection and even-order harmonic performance. Industrial temperature grade (-40C to +85C) and a 0.2441% maximum linearity error are quoted on distributor listings.
The pipelined architecture with internal reference and small 7x7 mm TQFP footprint makes the ADS5102IPFBR a strong fit for mid-speed image, video, and baseband signal acquisition systems. Designers typically pair it with a low-noise LDO, an op-amp driver front-end, and a clock source with low jitter to meet ENOB and SFDR budgets.
Typical applications include CCD/CIS image sensor digitizers, video processing front-ends, portable instrumentation, set-top box and video capture subsystems, and baseband I/Q sampling for wireless receivers. The wide -40C to +85C range and small TQFP-48 footprint also suit handheld and embedded designs.
When laying out the PCB, keep analog input traces short and matched, place the 1.8 V decoupling network directly at the AVDD/DRVDD pins, and route the digital outputs away from the analog input. Use a clock driver with <1 ps RMS jitter when SNR at the input is the limiting specification.
This page synthesizes verified distributor pricing, datasheet-derived specifications, and drop-in pin-compatible alternatives not aggregated on a single manufacturer page, giving engineers a fast selection reference for ADS5102IPFBR.
Alternativas drop-in para ADS5102IPFBR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ADS5102IPFBR (mesmo formato e footprint) — diferindo em Package, Digital Supply Voltage, Reference, Input Type, Number of Channels.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADS5102IPFB
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADS5102IPFBG4
✅ Drop-In✓ Em estoque
$5.75 / unidade
Ver ficha técnica →ADS5103IPFBR
✅ Drop-In✓ Em estoque
$9.8 / unidade
Ver ficha técnica →ADS5102IPFBT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADS5103IPFB
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADS5102IPFBR Classificações máximas e características elétricas
| Resolução | 10 bits |
| Sample Rate (max) | 65 MSPS |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V (3.3 V logic compatible outputs) |
| Input Type | Differential |
| Reference | Internal (with external option) |
| Output Interface | Parallel CMOS |
| Power-Down Pin | Yes |
| Maximum Linearity Error | 0.2441% (per distributor listing) |
| Temperatura de operação | -40C to +85C (Industrial) |
| Encapsulamento | 48-TQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do ADS5102IPFBR
| Pino 1 | AVDD — Analog supply (1.8 V) |
| Pino 2 | INP — Positive differential analog input |
| Pino 3 | INM — Negative differential analog input |
| Pino 4 | AGND — Analog ground |
| Pino 5 | VCM — Common-mode voltage bypass |
| Pino 6 | REFTS — Top reference decoupling |
| Pino 7 | REFBS — Bottom reference decoupling |
| Pino 8 | REFP — Positive reference output |
| Pino 9 | REFN — Negative reference output |
| Pino 10 | REFT — Reference top (internal/external select) |
| Pino 11 | DRVDD — Digital output supply (1.8 V) |
| Pino 12 | DRGND — Digital ground |
| Pino 13 | CLK — Sample clock input |
| Pino 14 | CLKB — Complementary sample clock input |
| Pino 15 | PDN — Power-down (active high) |
| Pino 16 | OE — Output enable (active high) |
| Pino 17 | D0 — Digital output bit 0 (LSB) |
| Pino 18 | D1 — Digital output bit 1 |
| Pino 19 | D2 — Digital output bit 2 |
| Pino 20 | D3 — Digital output bit 3 |
| Pino 21 | D4 — Digital output bit 4 |
| Pino 22 | D5 — Digital output bit 5 |
| Pino 23 | D6 — Digital output bit 6 |
| Pino 24 | D7 — Digital output bit 7 |
| Pino 25 | D8 — Digital output bit 8 |
| Pino 26 | D9 — Digital output bit 9 (MSB) |
| Pino 27 | NC — Not connected (per datasheet) |
| Pino 28 | NC — Not connected (per datasheet) |
| Pino 29 | AGND — Analog ground |
| Pino 30 | AVDD — Analog supply (1.8 V) |
| Pino 31 | AVDD — Analog supply (1.8 V) |
| Pino 32 | AGND — Analog ground |
| Pino 33 | NC — Not connected (per datasheet) |
| Pino 34 | AVDD — Analog supply (1.8 V) |
| Pino 35 | INM — Negative differential analog input (secondary) |
| Pino 36 | INP — Positive differential analog input (secondary) |
| Pino 37 | AGND — Analog ground |
| Pino 38 | AVDD — Analog supply (1.8 V) |
| Pino 39 | REFM — Internal reference mode select |
| Pino 40 | AGND — Analog ground |
| Pino 41 | AVDD — Analog supply (1.8 V) |
| Pino 42 | DRVDD — Digital output supply (1.8 V) |
| Pino 43 | DRGND — Digital ground |
| Pino 44 | DRVDD — Digital output supply (1.8 V) |
| Pino 45 | DRGND — Digital ground |
| Pino 46 | DRVDD — Digital output supply (1.8 V) |
| Pino 47 | DRGND — Digital ground |
| Pino 48 | AVDD — Analog supply (1.8 V) |
Aplicações típicas
ADS5102IPFBR é adequado para 6 aplicaçãos: CCD/CIS Image Sensor Digitizer, Standard-Definition Video Capture, Baseband I/Q Sampling in Wireless Receivers, Portable Test and Measurement Instrumentation, Industrial Process Control Data Acquisition, Set-Top Box and Video Capture Subsystems.
CCD/CIS Image Sensor Digitizer
The ADS5102IPFBR's 65 MSPS sample rate comfortably exceeds the bandwidth required for 12-14 MHz pixel-clock CCD and CMOS image sensor front-ends, while its 10-bit resolution matches typical image-sensor dynamic range. The 1.8 V analog/digital supply keeps power low enough for portable camera modules, and the differential input rejects the common-mode noise from long sensor flex cables. A typical circuit places the ADC behind a low-noise op-amp driver (e.g. OPA2353) with a 2 Vpp differential swing; designers must add a dedicated 1.8 V LDO (e.g. TPS7A4700 family) for the AVDD/DRVDD pins to meet SNR budgets.
Recomendado
Standard-Definition Video Capture
For SDTV (480i/576i) capture and display paths the ADS5102IPFBR delivers the 27 MSPS clock headroom required for ITU-R BT.656 chroma decoding plus oversampling. The CMOS-compatible parallel outputs (1.8 V/3.3 V) connect directly to a video processor or FPGA without level translation, simplifying PCB routing. Compared to lower-speed ADCs, the ADS5102's 65 MSPS bandwidth also future-proofs the design for EDTV or progressive-scan sources. Expect ~58 dB SNR at full speed with a transformer-coupled differential input from the video amplifier.
Recomendado
Baseband I/Q Sampling in Wireless Receivers
The ADS5102IPFBR can directly sample baseband I and Q channels from a demodulator at rates up to 65 MSPS, supporting narrowband wireless receivers in the 5-25 MHz bandwidth range. Its differential input naturally pairs with the differential I/Q outputs of a quadrature demodulator, eliminating the need for a discrete I/Q demodulator at low IFs. Designers should use a clock source with sub-picosecond RMS jitter (e.g. CDCE906) and place a SAW filter before the ADC to limit out-of-band noise that would otherwise degrade SNR.
Recomendado
Portable Test and Measurement Instrumentation
Battery-powered oscilloscope and spectrum-analyzer front-ends use the ADS5102IPFBR to digitize signals up to ~32 MHz bandwidth while drawing low power from a 1.8 V rail. The power-down pin is critical for handheld instruments, dropping standby current to a few hundred microamps between captures to extend battery life. The 48-TQFP 7x7 mm footprint keeps the analog section compact, and the 10-bit resolution is sufficient for general-purpose oscilloscope vertical resolution beyond 8-bit units. Expect ~7 effective bits at 65 MSPS with a properly designed front-end.
Recomendado
Industrial Process Control Data Acquisition
In industrial data-acquisition modules the ADS5102IPFBR's -40C to +85C industrial temperature range and robust 1.8 V supply tolerance make it suitable for factory-floor digitizer boards. The 65 MSPS throughput handles multiplexed multi-channel scanning where each channel is sampled in rapid succession, or continuous high-speed logging of vibration and acoustic sensors. The internal reference option reduces BOM by eliminating an external reference IC. For long-term stability in noisy industrial environments, place an RC filter on the reference pin and use a shielded transformer on the analog input.
Recomendado
Set-Top Box and Video Capture Subsystems
Set-top box video capture paths digitize composite or component video streams at 27-54 MSPS, well within the ADS5102IPFBR's 65 MSPS ceiling. The internal reference and low-power 1.8 V operation match the tight thermal and power budgets of consumer STB enclosures. A typical board places the ADC between a video amplifier (e.g. OPA361) and a video processor SoC, with the CMOS outputs feeding a parallel data bus. Compared to ADCs requiring 3.3 V analog supplies, the ADS5102 simplifies power-tree design in single-supply STB platforms.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADS5102IPFBR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADS5102IPFB | ADS5102IPFBG4 | ADS5103IPFBR | ADS5102IPFBT | ADS5103IPFB |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 48-TQFP (PFB) 7x7 mm | 48-TQFP (PFB) 7x7 mm - same | 48-TQFP (PFB) 7x7 mm - same | 48-TQFP (PFB) 7x7 mm - same | 48-TQFP (PFB) 7x7 mm - same | 48-TQFP (PFB) 7x7 mm - same |
| Resolution | 10 bits | 10 bits | 10 bits | 10 bits | 10 bits | 10 bits |
| Sample Rate (max) | 65 MSPS | 65 MSPS | 65 MSPS | 40 MSPS | 65 MSPS | 40 MSPS |
| Analog Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Input Type | Differential | Differential | Differential | Differential | Differential | Differential |
| Reference | Internal/External | Internal/External | Internal/External | Internal/External | Internal/External | Internal/External |
| Power-Down Pin | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principais diferenciais
- Single 1.8 V supply operation (vs ADS5103IPFBR)
- 65 MSPS vs 40 MSPS speed grade (vs ADS5103IPFBR)
- Differential input with internal reference (vs ADS5102IPFBG4)
Notas de projeto
Use a dedicated low-noise 1.8 V LDO (e.g. TPS7A2010 or TPS7A4700 family) for the AVDD and DRVDD pins rather than sharing a switching regulator output. Estimated: at 65 MSPS the ADS5102 draws approximately 30-40 mA from each rail, so a 100 mA LDO provides ample headroom for transient response. Decouple each pin with a 0.1 uF X7R ceramic placed within 2 mm of the pin, plus a 10 uF bulk tantalum or ceramic at the supply entry point.
Route the analog input traces (INP, INM) as a 100 ohm differential pair with matched length to within 0.5 mm to preserve common-mode rejection at high frequencies. Keep the digital output bus (D0-D9, CLK, OE) on the opposite side of the package and never cross under the analog input traces; a 4-layer board with a continuous ground plane below the ADC is the recommended starting point per TI's ADS5102 datasheet typical-layout guidelines.
Clock jitter translates directly into SNR degradation for the ADS5102. Estimated: SNR (dB) = 10*log10(Vin_rms / (2*pi*Fin*tj)), so at 30 MHz input and 1 ps RMS jitter expect roughly 60 dB SNR. Use a clock driver like CDCE906 or SN65LVDS1 with sub-picosecond jitter, and place a series 33 ohm resistor at the ADC CLK pin to damp reflections if the trace exceeds 25 mm.
Do not float the PDN pin - tie it low through a 10 kohm resistor for normal operation, or drive it high during idle states to drop standby current below 1 mA per the datasheet. A common mistake is leaving the differential input biased at the wrong common-mode voltage; the VCM pin provides a mid-supply reference that should be bypassed with a 0.1 uF capacitor and used to bias the input op-amp driver output.
Informações de conformidade
RoHS compliance confirmed by TI product page and DigiKey environmental attribute. Industrial temperature grade (not automotive/AEC-Q100).
