Analog Devices Inc. AD9992BBCZ

Overview

AD9992BBCZ from Analog Devices is a 12-bit CCD signal processor with integrated precision timing generator, designed for digital still camera systems. It combines correlated double sampling (CDS), 6 dB to 42 dB 10-bit VGA, black level clamp, and 12-bit 40 MHz ADC in a single chip, supporting up to 24 vertical clock outputs and 400 ps timing resolution at 40 MHz operation.

For engineers reviewing the AD9992BBCZ datasheet, AD9992BBCZ pinout, AD9992BBCZ application, or AD9992BBCZ equivalent, this device is selected for high-fidelity CCD readout where precise pixel-level timing control, low-noise analog signal conditioning, and full on-chip clock generation are required - especially in compact DSC modules with strict power and layout constraints.

Technical Context

The AD9992BBCZ implements a dual-domain architecture: an analog front end (AFE) with CDS, VGA, clamp, and 12-bit ADC operating at up to 40 MHz pixel rate; and a programmable Precision Timing™ core generating RG, H1–H8, HL, XV1–XV24, and substrate clocks with 400 ps edge resolution. All timing is synchronized to a single CLI input clock.

It supports both master mode (generating HD/VD internally) and slave mode (synchronizing to external HD/VD), with configurable drive strength per H/RG output (0–17.2 mA), 3-wire serial interface for register programming, and dual-supply operation (1.8 V AFE/digital core, 3.0 V drivers).

Key Specifications

Pinout & Package

AD9992BBCZ is housed in a 105-lead CSP_BGA package, 8 mm × 8 mm, 0.65 mm pitch, with exposed thermal pad. Pin functions are validated per Analog Devices Rev. C datasheet (pages 8–10).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar CCD signal processor applications.

Compared with TDC1350AIPWPR and LM98725MTX/NOPB, AD9992BBCZ uniquely integrates 24-programmable vertical clocks, 400 ps timing resolution, and full AFE in one 105-ball CSP - reducing system latency, PCB area, and component count for high-end digital still cameras.

Availability

AD9992BBCZ is available at Aetrix Electronics and suitable for digital still camera modules, industrial inspection systems, and embedded CCD-based imaging equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for AD9992BBCZ 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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.

The AD9992BBCZ belongs to Analog Devices' CCD signal processor product line, engineered specifically for high-fidelity, low-noise digitization and precise timing control in digital still camera and scientific imaging applications.

FAQ

What is the maximum pixel clock frequency supported by the AD9992BBCZ?

The AD9992BBCZ supports a maximum CLI (master clock) frequency of 40 MHz, enabling full-speed operation of high-resolution CCD sensors. At this rate, the Precision Timing™ core achieves ~400 ps edge resolution, and the 12-bit ADC digitizes pixel data with guaranteed no missing codes and ≤±0.5 LSB DNL. The AD9992BBCZ's analog front end remains linear and low-noise up to this rate, as confirmed in the Rev. C datasheet timing and performance tables.

Does the AD9992BBCZ include on-chip drivers for CCD horizontal clocks?

Yes, the AD9992BBCZ integrates on-chip 3.0 V drivers for RG, H1–H8, and HL outputs, eliminating the need for external level shifters or driver ICs. Each output supports programmable drive strength (0–17.2 mA in 4.3 mA steps) via registers 0x35 and 0x36, allowing optimization of rise/fall times for specific CCD load capacitance. This capability is explicitly documented in the "H-Driver and RG Outputs" section of the AD9992BBCZ Rev. C datasheet.

How many vertical clock outputs does the AD9992BBCZ provide, and are they fully programmable?

The AD9992BBCZ provides 24 dedicated vertical clock outputs (XV1–XV24), each fully programmable for phase, pulse width, polarity, and enable state via internal timing registers. These outputs support advanced CCD architectures including frame-transfer and multi-phase interline sensors. The functional block diagram and pin description table (Rev. C, pages 1–2 and 8–10) confirm all 24 XV pins as digital outputs with independent timing control.

Can the AD9992BBCZ operate in slave mode with external synchronization?

Yes, the AD9992BBCZ supports slave mode operation using external HD and VD signals, along with optional SYNC input for frame resynchronization. In this mode, internal counters lock to incoming HD/VD edges, and all generated clocks (XV, H, RG, SHP/SHD) maintain deterministic phase relationships. Timing specifications for tVDHD and tHDCLI in Table 4 (Rev. C, page 6) define the valid synchronization window and pipeline behavior in slave mode.

What power supply configurations does the AD9992BBCZ support for mixed-voltage systems?

The AD9992BBCZ supports dual-supply operation: 1.8 V for AVDD, TCVDD, DVDD, and CP1P8; and 3.0 V for RGVDD, HVDD1/HVDD2, DRVDD, IOVDD, and XVVDD. It is compatible with both 3 V and 1.8 V logic systems, and includes internal LDO regulators and charge pump circuitry to derive required voltages. Absolute maximum ratings and recommended operating conditions are specified in Tables 1 and 5 of the Rev. C datasheet.