Renesas ADC1610S125F1-DB

Overview

ADC1610S125F1-DB from Integrated Device Technology (IDT) is a single-channel, 16-bit pipelined analog-to-digital converter optimized for high dynamic performance and low power at 125 Msps sample rate. It delivers 71.6 dBFS SNR and 89 dBc SFDR at 170 MHz input frequency, supports both CMOS and LVDS DDR outputs, and operates from a single 3 V analog supply with flexible 1–2 V_p-p input range - ideal for ultrasound imaging front-ends and software-defined radio receivers.

For engineers reviewing the ADC1610S125F1-DB datasheet, ADC1610S125F1-DB pinout, ADC1610S125F1-DB application, or ADC1610S125F1-DB equivalent, key selection considerations include its 600 MHz input bandwidth, duty cycle stabilizer, SPI-configurable full-scale reference, fast OTR detection, and HVQFN40 package thermal performance in high-density RF signal chains.

Technical Context

The ADC1610S125F1-DB implements a 16-bit pipelined architecture with on-chip error correction to guarantee zero missing codes across temperature and voltage ranges. Its clock input stage includes a duty cycle stabilizer and optional divide-by-2 function to reduce jitter sensitivity, while the analog input stage supports differential operation with programmable common-mode voltage (VCM) and configurable full-scale range via internal reference control bits INTREF[2:0].

Digital interface flexibility is achieved through dual-mode output drivers: CMOS (16-bit parallel D15–D0 + DAV) or LVDS DDR (multiplexed 16-bit data on 8 differential pairs + DAVP/DAVM), both selectable via SPI or pin control. Power management includes dedicated Power-down (2 mW) and Sleep (40 mW) modes, controlled either by PWD/OE pin voltage levels or SPI register OP_MODE[1:0].

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 ADS54J60IRGC and AD9268BCPZ-125, the ADC1610S125F1-DB uniquely combines LVDS DDR + CMOS dual-output flexibility, 1–2 V_p-p programmable full-scale, and sub-650 mW power at 125 Msps - making it optimal for cost-sensitive, thermally constrained, single-channel wideband digitization where parallel interface retention is required.

Availability

ADC1610S125F1-DB is available at Aetrix Electronics and suitable for ultrasound imaging systems, software-defined radio receivers, portable spectral analyzers, and MRI signal conditioning requiring stable component supply across industrial and medical production lifecycles.

Supply support for ADC1610S125F1-DB 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

Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in high-performance timing, memory interface, RF, and high-speed data conversion solutions.

The ADC1610S series was designed for demanding communications, imaging, and instrumentation applications requiring high dynamic range, low power, and flexible digital interfacing - with the ADC1610S125F1-DB targeting 125 Msps single-channel digitization in thermally sensitive environments.

FAQ

What is the maximum input frequency supported by the ADC1610S125F1-DB?

The ADC1610S125F1-DB supports an input bandwidth of 600 MHz and maintains 71.6 dBFS SNR and 89 dBc SFDR at 170 MHz input frequency. Its wide analog bandwidth enables undersampling of RF/IF signals up to ~300 MHz in practical designs, subject to Nyquist constraints and anti-alias filter implementation.

Does the ADC1610S125F1-DB support both CMOS and LVDS DDR output interfaces simultaneously?

No, the ADC1610S125F1-DB supports either CMOS or LVDS DDR output mode - selected at power-up via pin ODS (HIGH = LVDS DDR, LOW = CMOS) or dynamically via SPI configuration. The two modes use mutually exclusive pin assignments (e.g., D15–D0 vs. D14_D15_P/M), so simultaneous operation is not possible.

How is the full-scale input range configured on the ADC1610S125F1-DB?

The ADC1610S125F1-DB supports 1 V_p-p to 2 V_p-p full-scale range via internal reference programming. Configuration is done either through SPI register INTREF[2:0] (with INTREF_EN = 1) or by connecting VREF and SENSE pins with appropriate external components per Figures 21–24 in the datasheet - enabling precise matching to signal chain gain.

What is the purpose of the OTR (Out-of-Range) pin on the ADC1610S125F1-DB?

The OTR pin on the ADC1610S125F1-DB is an active-HIGH indicator that asserts when the differential analog input exceeds ±FS/2. It provides sub-cycle latency detection of signal saturation - critical for real-time AGC, overload protection, and diagnostic logging in ultrasound and radar systems using the ADC1610S125F1-DB.

Can the ADC1610S125F1-DB operate with a 1.8 V digital supply in CMOS mode?

Yes, the ADC1610S125F1-DB supports VDDO = 1.65–3.6 V in CMOS mode, including 1.8 V. At 1.8 V, output levels meet VOL ≤ 0.2×VDDO and VOH ≥ 0.8×VDDO specifications, ensuring compatibility with 1.8 V FPGA or ASIC logic families while maintaining timing margins per Table 8.