NXP Semiconductors ADC0804S050TS/C1:1

Overview

ADC0804S050TS/C1:1 from NXP Semiconductors is an 8-bit, 50 MHz high-speed analog-to-digital converter optimized for professional video digitization and transient signal capture. It delivers one-cycle conversion, ±0.2 LSB integral non-linearity, 7.8 effective bits at 4.43 MHz input, and TTL/CMOS-compatible digital I/O with 3 V to 5 V output supply. It operates with external reference ladder drive and supports DC sampling in radar and GPS receiver front-ends.

For engineers reviewing the ADC0804S050TS/C1:1 datasheet, ADC0804S050TS/C1:1 pinout, ADC0804S050TS/C1:1 application, or ADC0804S050TS/C1:1 equivalent, key selection criteria include its 50 MHz maximum clock frequency, SSOP28 package with 28-pin analog/digital/output supply separation, in-range (IR) CMOS output signaling, and absence of internal reference - requiring external VRB/VRT biasing per Table 7.

Technical Context

The ADC0804S050TS/C1:1 employs a resistor ladder architecture with externally driven reference pins (RB, RM, RT) enabling precise full-scale range tuning between 1.7 V and 2.55 V p-p analog input. Its single-clock-cycle conversion timing and IR latch output eliminate need for external sample-and-hold or timing control logic.

It features three independent supply domains: VCCA (5 V analog), VCCD (5 V digital core), and VCCO (3–5.25 V output stage), with strict ∆VCC limits (±0.2 V between VCCA–VCCD) to maintain linearity. The device achieves 49 dB SNR and −65 dB THD at 4.43 MHz input under 40 MHz clock, validated via FFT-based ENOB measurement.

Key Specifications

Pinout & Package

ADC0804S050TS/C1:1 is housed in a plastic shrink small outline package (SSOP28, SOT341-1) with 28 leads and 5.3 mm body width. Pin spacing is 0.65 mm, and thermal resistance is 110 K/W in free air.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit high-speed ADC applications.

Compared with ADC0804S040TS, ADC0804S050TS/C1:1 delivers 10 MHz more bandwidth and maintains identical linearity; versus ADC1004S050, it trades 2 bits of resolution for simpler external reference control and lower cost in video-specific deployments.

Availability

ADC0804S050TS/C1:1 is available at Aetrix Electronics and suitable for video data digitizing, radar signal acquisition, and GPS receiver baseband processing requiring stable component supply across industrial temperature ranges (−40 °C to +85 °C).

Supply support for ADC0804S050TS/C1:1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer markets.

The ADC0804S030/040/050 product line was designed for high-fidelity digitization of professional video, radar, and communications signals where speed, linearity, and low-latency conversion are critical.

FAQ

What is the maximum analog input frequency supported by the ADC0804S050TS/C1:1?

The ADC0804S050TS/C1:1 supports analog input frequencies up to 15 MHz at full-scale sine wave (Nyquist-limited bandwidth), verified by −3 dB attenuation measurement. At 75% full-scale, bandwidth extends to 20 MHz. Small-signal mid-scale bandwidth reaches 350 MHz, confirming fast settling (1.5–3.0 ns) for transient capture applications like radar pulse analysis.

Does the ADC0804S050TS/C1:1 include an internal voltage reference?

No, the ADC0804S050TS/C1:1 requires an external reference ladder driven via pins RB, RM, and RT. NXP explicitly recommends using the ADC1003S050 family if internal reference regulation is needed. The ADC0804S050TS/C1:1's external reference architecture allows precise system-level calibration and matching across parallel ADC channels.

What are the supply voltage requirements for ADC0804S050TS/C1:1?

The ADC0804S050TS/C1:1 requires three independent supplies: VCCA = 4.75–5.25 V (analog), VCCD = 4.75–5.25 V (digital core), and VCCO = 3.0–5.25 V (output drivers). Voltage differences must stay within ∆VCC limits: VCCA–VCCD ≤ ±0.20 V, and VCCA–VCCO ≤ +2.25 V. All supplies must be locally decoupled with 100 nF capacitors.

How does the IR (In-Range) output function on ADC0804S050TS/C1:1?

The IR pin on ADC0804S050TS/C1:1 is an active-HIGH CMOS output that asserts when the converted code falls within 0–255 (valid 8-bit range). It deasserts (LOW) during underflow (<1.475 V) or overflow (>3.495 V) conditions. This hardware flag eliminates software range validation overhead in real-time systems such as radar pulse detectors or video sync extractors.

Is ADC0804S050TS/C1:1 pin-compatible with earlier versions like ADC0804S040TS?

Yes, ADC0804S050TS/C1:1 shares identical SSOP28 (SOT341-1) packaging, pin configuration, and electrical interface with ADC0804S030TS and ADC0804S040TS. All variants use the same pinout, supply domains, reference ladder structure, and timing specifications - enabling drop-in replacement where 50 MHz sampling is required and thermal/power margins permit.