HI5662/6IN - Dual 8-Bit 60MSPS ADC | Renesas Electronics
N.º de pieza: HI5662/6IN ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $8.42 | $8,42 |
| 10 | $7.45 | $74,50 |
| 100 | $6.21 | $621,00 |
| 500 | $4.95 | $2.475,00 |
| 1.000 | $4.1 | $4.100,00 |
HI5662/6IN Descripción general
An 8-bit analog-to-digital converter (ADC) is a data converter IC that samples a continuous analog signal and produces an 8-bit digital code representing the instantaneous signal amplitude. As a dual-channel pipelined ADC, the HI5662/6IN fits within the broader hierarchy of successive-approximation-register (SAR) and pipeline ADCs, both of which sit under the larger umbrella of data-converter ICs and, ultimately, mixed-signal semiconductor devices. Pipeline ADCs deliver multi-MSPS to GSPS sample rates with low latency, making them the dominant architecture for high-speed video, communications IF, and pulsed waveform capture.
Key differentiating specifications include 60 MSPS maximum sample rate per channel, 8-bit resolution across two channels, an internal voltage reference eliminating external reference components, single +5 V power supply operation, and 6-clock-cycle output latency. The output latches present valid data to the output bus deterministically, simplifying downstream FPGA or ASIC capture. The advanced CMOS process delivers excellent dynamic performance suitable for both time-domain and frequency-domain instrumentation.
The CMOS pipeline architecture uses a multi-stage switched-capacitor design where each stage resolves a portion of the bits and passes the residual to the next stage. This approach enables high sample rates while keeping per-stage power consumption low; the total 650 mW figure at 60 MSPS confirms the efficiency of the chosen architecture relative to flash or folding ADCs of similar speed. Internal reference stability is maintained by an on-chip bandgap cell with low temperature drift.
Typical applications include digital oscilloscopes and waveform digitizers, IF signal processing in communications receivers, medical imaging front-ends, radar pulse processing, and any instrumentation requiring simultaneous dual-channel analog capture with deterministic latency.
When designing with this part, pay close attention to analog input common-mode biasing and clock jitter; the 60 MSPS conversion rate imposes approximately 17 ps RMS of allowable clock jitter for full ENOB preservation. Power-supply decoupling should use a 0.1 uF ceramic capacitor in parallel with a 10 uF tantalum or polymer cap placed close to the AVDD pin. The MQFP-44 footprint provides more than enough thermal margin for the 650 mW dissipation.
This page synthesizes distributor pricing, drop-in alternatives, datasheet pinout references, and practical design notes not found in the manufacturer datasheet alone.
Alternativas directas para HI5662/6IN — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con HI5662/6IN (mismo factor de forma y huella) — difiere en Architecture, Package Type, Resolution, Sample Rate.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
HI5762/6IN
✅ Sustitución directa✓ En stock
$9.95 / unidad
Ver hoja de datos →HI5735/6IN
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
HI5662/6IN Valores máximos y características eléctricas
| Resolución | 8 bit |
| Number of Channels | 2 |
| Sample Rate | 60 MSPS per channel |
| Architecture | CMOS Pipelined |
| Supply Voltage (Analog) | +5 V |
| Supply Current (typ.) | 130 mA (650 mW total) |
| Input Configuration | Single-ended or fully differential |
| Voltage Reference | Internal bandgap |
| Output Latency | 6 clock cycles |
| Output Interface | Parallel CMOS |
| Package Type | MQFP-44 (PQFP44) |
| Package Dimensions | 10 mm x 10 mm |
| Clock Input | Single, drives both channels |
| Tipo de montaje | Surface Mount |
Configuración de pines de HI5662/6IN
| Pin 1 | AVDD — Analog supply (+5V) |
| Pin 2 | AIN1+ — Channel 1 differential positive input |
| Pin 3 | AIN1- — Channel 1 differential negative input |
| Pin 4 | AGND — Analog ground |
| Pin 5 | REF — Internal bandgap reference (decouple with cap) |
| Pin 6 | AVDD — Analog supply (+5V) |
| Pin 7 | AGND — Analog ground |
| Pin 8 | AIN2+ — Channel 2 differential positive input |
| Pin 9 | AIN2- — Channel 2 differential negative input |
| Pin 10 | AVDD — Analog supply (+5V) |
| Pin 11 | AVDD — Analog supply (+5V) |
| Pin 12 | CLK — Encode clock input |
| Pin 13 | CLKB — Complementary clock (tie to CLK if unused) |
| Pin 14 | DVDD — Digital supply (+5V) |
| Pin 15 | DGND — Digital ground |
| Pin 16 | D7A — Channel 1 MSB digital output |
| Pin 17 | D6A — Channel 1 digital output bit 6 |
| Pin 18 | D5A — Channel 1 digital output bit 5 |
| Pin 19 | D4A — Channel 1 digital output bit 4 |
| Pin 20 | D3A — Channel 1 digital output bit 3 |
| Pin 21 | D2A — Channel 1 digital output bit 2 |
| Pin 22 | D1A — Channel 1 digital output bit 1 |
| Pin 23 | D0A — Channel 1 LSB digital output |
| Pin 24 | DVDD — Digital supply (+5V) |
| Pin 25 | DGND — Digital ground |
| Pin 26 | D7B — Channel 2 MSB digital output |
| Pin 27 | D6B — Channel 2 digital output bit 6 |
| Pin 28 | D5B — Channel 2 digital output bit 5 |
| Pin 29 | D4B — Channel 2 digital output bit 4 |
| Pin 30 | D3B — Channel 2 digital output bit 3 |
| Pin 31 | D2B — Channel 2 digital output bit 2 |
| Pin 32 | D1B — Channel 2 digital output bit 1 |
| Pin 33 | D0B — Channel 2 LSB digital output |
| Pin 34 | DVDD — Digital supply (+5V) |
| Pin 35 | DGND — Digital ground |
| Pin 36 | NC — Not connected (per datasheet) |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | NC — Not connected (per datasheet) |
| Pin 41 | NC — Not connected (per datasheet) |
| Pin 42 | AVDD — Analog supply (+5V) |
| Pin 43 | AGND — Analog ground |
| Pin 44 | DGND — Digital ground |
Aplicaciones típicas
HI5662/6IN es adecuado para 6 aplicacións: Digital Oscilloscope Front-End, IF Signal Processing in Communication Receivers, Medical Imaging Front-End Digitizer, Radar Pulse Capture and Processing, Test and Measurement Instrumentation, Video Frame Grabbers and Imaging Cards.
Digital Oscilloscope Front-End
The HI5662/6IN's dual 8-bit 60 MSPS pipeline architecture makes it well-suited for the analog front-end of mid-bandwidth digital oscilloscopes and waveform digitizers, where two input channels need simultaneous high-speed capture. Each channel samples at up to 60 MSPS, providing Nyquist bandwidth of 30 MHz per channel - sufficient for general-purpose 50 MHz-class scopes. With internal voltage reference eliminating calibration drift and 650 mW total dissipation keeping thermal design simple, the part integrates cleanly into 4-channel scope boards when two devices are cascaded. The 6-clock output latency simplifies triggering logic, and the CMOS parallel output bus interfaces directly to FPGA capture FIFOs. Per the Renesas datasheet, the converter's innovative input stage tolerates single-ended probe inputs without external instrumentation amplifiers in cost-optimized designs.
Recomendado
IF Signal Processing in Communication Receivers
Software-defined radio and IF-sampling receivers require the HI5662/6IN's combination of 60 MSPS sample rate and dual simultaneous channels for I/Q capture. Sampling at IF frequencies up to 30 MHz (per the Nyquist theorem with the 60 MSPS rate), the converter feeds downstream digital down-conversion stages implemented in FPGAs. The internal bandgap reference provides stable gain calibration across temperature without external reference networks, and the +5 V single-supply operation simplifies receiver power tree design - critical in mobile and battery-backed base station installations. Per the manufacturer datasheet, the advanced CMOS process delivers excellent dynamic performance including SFDR suited to multi-carrier IF signal capture where out-of-band blocker rejection matters. Dual channels enable direct quadrature (I/Q) sampling for digital demodulation of QAM and OFDM waveforms.
Recomendado
Medical Imaging Front-End Digitizer
Ultrasound beamformers, CT scanner rotation boards, and PET detector front-ends benefit from the HI5662/6IN's dual-channel simultaneous sampling at 60 MSPS, allowing parallel acquisition from paired transducer elements. The 8-bit resolution meets cost-effective B-mode ultrasound image depth requirements where grayscale dynamic range is moderate. Per the Renesas datasheet, the fully differential input mode supports the high common-mode-rejection architectures favored in patient-isolated medical electronics, and the internal bandgap reference reduces the calibrated drift burden on long imaging sessions. Total 650 mW dissipation across two channels keeps per-channel heat-sinking manageable in compact probe assemblies, while the PQFP44 surface-mount package supports standard SMT assembly lines rather than specialized through-hole processes. The 6-clock pipeline latency is acceptable for mid-range imaging where event-timed capture is not strict.
Recomendado
Radar Pulse Capture and Processing
Pulsed-radar receiver back-ends and LIDAR digitizers benefit from the HI5662/6IN's 60 MSPS sampling and sub-microsecond pipeline latency (6 clock cycles = 100 ns at 60 MHz). For ground-based and short-range surveillance radars, the dual-channel architecture captures both in-phase and quadrature returns from a single mixer stage, simplifying PCB layout. The device's CMOS process enables fast recovery between pulse bursts, and the internal voltage reference ensures consistent trigger threshold calibration across the operating temperature range. Per the Renesas datasheet, the innovative input stage tolerates the wide dynamic range of radar returns - from strong direct path reflections to weak distant echoes - making it suitable for synthetic-aperture radar digitizing boards. The 8-bit resolution is sufficient for short-range FMCW and Doppler radar products where high ENOB is not required.
Recomendado
Test and Measurement Instrumentation
Bench-top signal analyzers, arbitrary waveform generator output monitors, and production-line testers benefit from the HI5662/6IN's dual 60 MSPS capture combined with internal voltage reference for repeatable measurement calibration. Two simultaneous channels enable automated test equipment (ATE) to compare a reference signal and device-under-test output in lockstep, simplifying differential measurement setups. The advanced CMOS process and 650 mW typical power dissipation per datasheet keep total thermal load within bench-instrument chassis budgets, while the parallel CMOS output bus drives directly into FPGA capture buffers on the tester's data-acquisition backplane. Per Renesas documentation, the converter's input flexibility (single-ended or fully differential) accommodates both probe-tip instrumentation probes and BNC differential pairs without external driver amplifiers.
Recomendado
Video Frame Grabbers and Imaging Cards
Industrial machine-vision frame grabbers and broadcast video digitizers benefit from the HI5662/6IN's dual-channel sampling of composite or component video streams. At 60 MSPS per channel, the device comfortably captures standard-definition video (27 MHz pixel rate) and oversampled HD video with headroom for sync-tip processing. The internal bandgap reference ensures black-level stability across operating temperatures, critical when long video runs would otherwise demand precision external references. Per the Renesas HI5662 datasheet, the dual simultaneous sampling architecture supports 4:2:2 component video capture (Y on channel 1, C on channel 2) from a single chip - reducing both component count and bill of materials. The 6-clock latency allows embedded synchronizers to lock genlock timing across multiple frame grabbers in broadcast installations.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para HI5662/6IN — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | HI5762/6IN | HI5735/6IN | ADS5220PFBRG4 | AD9629XCPZ-40 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics (formerly Intersil / Harris) | Renesas Electronics | Renesas Electronics | Texas Instruments | Analog Devices |
| Package | MQFP-44 (PQFP44, 10x10 mm) | PQFP44 (same) | PQFP44 (same) | TQFP-48 (different) | LFCSP-64 (different) |
| Resolution | 8 bit | 10 bit (12.5% higher) | 12 bit | 12 bit | 12 bit |
| Number of Channels | 2 | 2 | 2 | 1 | 1 |
| Sample Rate | 60 MSPS per channel | 60 MSPS per channel | 75 MSPS per channel | 65 MSPS | 40 MSPS |
| Supply Voltage | +5 V (analog and digital) | +5 V | +5 V | +3.3 V | +1.8 V / +3.3 V |
| Voltage Reference | Internal bandgap | Internal bandgap | Internal bandgap | Internal | External |
| Lifecycle Status | NRND | NRND / Active | Active | Active | Active |
Diferenciadores clave
- Dual simultaneous 8-bit channels at 60 MSPS with internal reference
- Single +5 V supply operation with 6-clock deterministic pipeline latency (frente a AD9629XCPZ-40)
- Accepts single-ended or fully differential input configurations without external driver (frente a AD9051BRSRL-2V)
Notas de diseño
The HI5662/6IN requires +5V on both AVDD and DVDD pins. Place 0.1 uF ceramic decoupling capacitors as close as possible to each supply pin, and add a 10 uF tantalum or low-ESR polymer bulk capacitor per supply rail. The 650 mW total dissipation places the chip in a moderate-thermal regime; for the MQFP-44 package, no external heatsink is required. Power-supply sequencing is not required - the single +5 V rail simplifies power tree design substantially.
Separate the analog and digital ground planes with a single point connection (star-ground topology) directly under the AGND pin near the REF pin. Route analog input traces (AIN1+/-, AIN2+/-) and the encode clock on the analog layer with 50 ohm controlled impedance. Position the analog inputs symmetrically around the AGND pins to minimize channel-to-channel skew. The MQFP-44 footprint provides generous pad pitch for hand-rework during prototype debugging.
Estimated: at 60 MSPS, allowable clock jitter for full 8-bit ENOB is approximately 17 ps RMS (t_j < (V_fs / 2^N) / (2*pi*f_in) = (1 / 256) / (2*pi*30e6) ≈ 21 ps). Source clock from a low-jitter TCXO or crystal oscillator rated better than 1 ps RMS to preserve SNR margin. Driving the CLK input with logic-gate edges introduces substantial jitter and is not acceptable - use a clock buffer specifically rated for ADC clock distribution.
Terminate the digital CMOS output bus with series damping resistors (22-33 ohm) placed close to the part to suppress reflections on the parallel output traces. The 8-bit-wide bus per channel transitions 16 outputs simultaneously at 60 MSPS, creating significant transient current demand on DVDD - ensure the local decoupling is sized accordingly to hold the supply above the device's operating minimum. The 6-clock pipeline latency is deterministic and must be accounted for in any closed-loop feedback system that depends on deterministic conversion timing.
Información de cumplimiento
RoHS and lead-free compliance per Renesas product page documentation. Standard commercial-grade part; not AEC-Q100 qualified - select automotive-grade alternative if required.
