NXP Semiconductors ADC1210S105HN/C1:5

Overview

ADC1210S105HN/C1 from NXP Semiconductors is a single-channel, 12-bit pipelined analog-to-digital converter optimized for high dynamic performance and low power at 105 Msps sample rate. It delivers 69.8 dBFS SNR and 85 dBc SFDR at 70 MHz input frequency, supports both CMOS and LVDS DDR digital outputs, and operates from a single 3 V analog supply - ideal for ultrasound equipment and portable instrumentation requiring precision wideband digitization.

For engineers reviewing the ADC1210S105HN/C1 datasheet, ADC1210S105HN/C1 pinout, ADC1210S105HN/C1 application, or ADC1210S105HN/C1 equivalent, key selection considerations include its 105 Msps throughput, 600 MHz input bandwidth, programmable 1–2 V_p-p full-scale range via SPI or pin control, LVDS DDR timing compatibility, and HVQFN40 package thermal performance in compact medical and communications systems.

Technical Context

The ADC1210S105HN/C1 employs a 12-bit pipelined architecture with on-chip error correction to guarantee zero missing codes across temperature and supply variations. Its dual-mode output drivers support either parallel CMOS (12-bit D11–D0 + DAV) or multiplexed LVDS DDR (6 differential pairs + DAVP/DAVM), enabling flexible interface design without external logic.

It integrates a duty cycle stabilizer (DCS) for jitter reduction, clock input division-by-2 capability, fast OTR detection, and configurable reference modes (internal programmable or external). The analog front-end features 19.8 kΩ differential input resistance and 2.8 pF capacitance, supporting transformer-coupled or direct-drive inputs up to 170 MHz.

Key Specifications

Pinout & Package

HVQFN40 package: plastic thermal enhanced very thin quad flat package; no leads; 40 terminals; body 6 × 6 × 0.85 mm (SOT618-1).

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADC1210S125HN/C1, the ADC1210S105HN/C1 trades 20 Msps headroom for 80 mW lower power at identical thermal footprint; versus ADC1010S105HN/C1, it adds two bits of resolution and 12 dB SFDR margin at modest power increase - making it optimal for medical and comms systems balancing accuracy, speed, and thermal constraints.

Availability

ADC1210S105HN/C1 is available at Aetrix Electronics and suitable for ultrasound equipment, portable spectrum analyzers, and software-defined radio systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for ADC1210S105HN/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 company specializing in secure connectivity solutions for automotive, industrial, and consumer applications, with leadership in high-performance analog and mixed-signal ICs.

The ADC1210S series was designed for wideband digitization in communications infrastructure, medical imaging, and test equipment - emphasizing dynamic performance, low power, and flexible digital interfacing in thermally constrained environments.

FAQ

What is the maximum input frequency supported by the ADC1210S105HN/C1?

The ADC1210S105HN/C1 supports analog input frequencies up to 170 MHz while maintaining specified dynamic performance (e.g., 68.7 dBFS SNR and 80 dBc SFDR). Its 600 MHz small-signal input bandwidth ensures minimal attenuation and phase distortion across this range, enabling direct RF sampling in IF-staged receivers and broadband instrumentation.

Does the ADC1210S105HN/C1 support both CMOS and LVDS DDR output modes simultaneously?

No, the ADC1210S105HN/C1 supports either CMOS or LVDS DDR output mode - selected at power-up via pin ODS (HIGH = LVDS DDR, LOW = CMOS) or configured dynamically via SPI. The two modes use mutually exclusive pin assignments (e.g., D11–D0 vs. D10_D11_P/M), so hardware design must commit to one interface before PCB layout.

How does the programmable full-scale range work on the ADC1210S105HN/C1?

The ADC1210S105HN/C1 allows full-scale input range selection from 1 V_p-p to 2 V_p-p via internal reference programming. This is controlled either by SPI register INTREF[2:0] (with INTREF_EN = 1) or by connecting VREF and SENSE pins with a 330 pF capacitor to AGND - enabling dynamic range optimization without external gain stages.

What is the purpose of the OTR (Out-of-Range) pin on the ADC1210S105HN/C1?

The OTR pin on the ADC1210S105HN/C1 is an active-high, real-time indicator that the analog input has exceeded the configured full-scale range. It asserts within one sample period, allowing immediate firmware intervention - such as automatic gain control adjustment or data flagging - without waiting for post-processing analysis of the digitized output.

Is the ADC1210S105HN/C1 pin-compatible with other members of the ADC1210S family?

Yes, the ADC1210S105HN/C1 is pin-compatible with all variants in the ADC1210S series (65/80/105/125 Msps) and also with the ADC1410S and ADC1010S families in HVQFN40 package. This enables drop-in upgrades or downgrades based on speed or resolution requirements without PCB redesign - provided power delivery and thermal management accommodate the variant's dissipation profile.