NXP Semiconductors ADC1213D125HN/C1,1

Overview

ADC1213D125HN/C1 from NXP Semiconductors is a dual-channel, 12-bit pipelined analog-to-digital converter optimized for high dynamic performance at 125 Msps sample rate, delivering 70 dBFS SNR and 86 dBc SFDR up to 170 MHz input frequency, with JESD204A-compliant differential serial outputs and programmable 1–2 V_p-p full-scale range - deployed in ultrasound front-ends and software-defined radio receivers.

For engineers reviewing the ADC1213D125HN/C1 datasheet, ADC1213D125HN/C1 pinout, ADC1213D125HN/C1 application, or ADC1213D125HN/C1 equivalent, key selection criteria include JESD204A lane configuration, 125 Msps timing latency (160–170 ns), dual-supply operation (3 V analog / 1.8 V digital), HVQFN56 thermal performance, and SPI-configurable reference scaling.

Technical Context

The ADC1213D125HN/C1 implements a 12-bit pipelined architecture with on-chip error correction guaranteeing zero missing codes, clock duty cycle stabilization (DCS) supporting 30–70% input duty cycle, and integrated DLL/PLL clock management. Its dual independent ADC cores feed two parallel JESD204A serializers with 8b/10b encoding, scrambler, and frame assembly logic.

Each channel features configurable input common-mode voltage (0.9–2 V), flexible reference modes (internal SPI-programmable or external 0.5–1 V), and anti-kickback RC filtering support. The device supports LVPECL, LVCMOS, or sine-wave clock inputs, with optional ×2 clock division to reduce jitter impact on SNR.

Key Specifications

Pinout & Package

HVQFN56 (SOT684-7), 8 mm × 8 mm × 0.85 mm, thermally enhanced no-lead quad flat package with 56 terminals and exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel, JESD204A ADC applications.

Compared with ADC1213D105HN/C1, the ADC1213D125HN/C1 delivers 20 Msps higher throughput and 120 mW higher power at full rate; compared with ADC1413D125HN/C1, it trades 2-bit resolution for 300 mW lower power and reduced FPGA resource utilization in JESD204A link handling.

Availability

ADC1213D125HN/C1 is available at Aetrix Electronics and suitable for ultrasound equipment, software-defined radio infrastructure, and portable spectral analysis systems requiring stable component supply and long-term industrial availability.

Supply support for ADC1213D125HN/C1 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 leader specializing in secure connectivity solutions for automotive, industrial, and communication markets.

The ADC1213D series targets high-performance data acquisition in communications and medical imaging, emphasizing JESD204A interoperability, thermal efficiency in HVQFN packages, and configurable analog front-end flexibility.

FAQ

What is the maximum input frequency supported by the ADC1213D125HN/C1 while maintaining specified SNR and SFDR?

The ADC1213D125HN/C1 maintains 70 dBFS SNR and 86 dBc SFDR up to 170 MHz input frequency, as verified in Table 6 of the datasheet under dynamic characteristics. Its 600 MHz analog input bandwidth ensures minimal amplitude roll-off and phase distortion within this range, making it suitable for high-IF sampling in wireless infrastructure and medical ultrasound applications.

Does the ADC1213D125HN/C1 support single-ended analog input configurations?

Yes, the ADC1213D125HN/C1 supports single-ended analog inputs via appropriate external circuitry, though differential drive is recommended for optimal performance. Section 11.1.1 specifies that common-mode voltage must be set between 0.9 V and 2 V, and Figure 7 shows anti-kickback RC networks applicable to both configurations. Single-ended use requires careful attention to noise coupling and common-mode rejection.

How does the duty cycle stabilizer (DCS) affect clock source selection for the ADC1213D125HN/C1?

When DCS_EN = logic 1, the ADC1213D125HN/C1 accepts clock inputs with 30–70% duty cycle, enabling use of low-cost crystal oscillators or PLLs with asymmetric output. When disabled (DCS_EN = 0), the clock must meet tighter 45–55% duty cycle spec. This feature directly impacts BOM cost and layout simplicity in timing-critical systems like SDR platforms.

Can the ADC1213D125HN/C1 operate with an external reference voltage, and what is the valid range?

Yes, the ADC1213D125HN/C1 supports external reference via the VREF pin, accepting 0.5 V to 1.0 V with SENSE tied to VDDA (Table 10). This mode enables precise system-level reference sharing and improved temperature tracking versus internal bandgap, particularly valuable in calibrated instrumentation and multi-ADC synchronization scenarios.

What is the typical power consumption of the ADC1213D125HN/C1 at its rated 125 Msps sample rate?

The ADC1213D125HN/C1 consumes 1270 mW total power at 125 Msps (Table 5), split across 343 mA analog current (IDDA) and 150 mA digital current (IDDD) at nominal 3 V and 1.8 V supplies. Power-down mode reduces consumption to 30 mW, supporting burst-mode acquisition in portable diagnostic equipment.