Overview
The AD9849AKSTZ is a highly integrated 12-bit CCD (Charge-Coupled Device) signal processor designed by Analog Devices Inc. This component is tailored for high-performance applications, particularly in digital still cameras. It combines a comprehensive analog front end with advanced digital signal processing capabilities, including A/D conversion and a programmable timing driver. The AD9849AKSTZ operates at a pixel rate of 30 MHz and features Analog Devices' proprietary Precision Timing core, allowing for precise adjustment of high-speed clocks with a resolution of approximately 1 ns.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Temperature Range (Operating) | -20 | +85 | °C | |
| Temperature Range (Storage) | -65 | +150 | °C | |
| Maximum Clock Rate | 30 | MHz | ||
| Power Supply Voltage (DVDD1, DVDD2) | 5.25 | V | ||
| Logic Input High Level Voltage (VIH) | 2.1 | V | ||
| Logic Input Low Level Voltage (VIL) | 0.6 | V | ||
| High Level Output Voltage (VOH) at I_OH = 2 mA | 4.75 | V | ||
| Low Level Output Voltage (VOL) at I_OL = 2 mA | 0.5 | V | ||
| Maximum Output Current (Programmable) | 24 | mA | ||
| Maximum Load Capacitance | 100 | pF | ||
| Package Type | LQFP-48 (7x7) |
Key Features
- Integrated Analog Front End: Includes black level clamping, Correlated Double Sampler (CDS), Pixel Gain Amplifier (PxGA), and a 12-bit Variable Gain Amplifier (VGA).
- Precision Timing Core: Allows for high-speed clock adjustments with approximately 1 ns resolution.
- Programmable Timing Driver: Provides high-speed CCD clock drivers for RG and H1–H4 with programmable output current.
- High-Speed A/D Converter: 12-bit A/D converter operating at 30 MHz.
- On-Chip Drivers: Includes 5 V horizontal and RG drivers.
- Serial Interface: Operated using a 3-wire serial interface).
- Compact Packaging: Packaged in a space-saving 48-lead LQFP (7x7)).
Applications
The AD9849AKSTZ is primarily designed for use in digital still cameras, where high-speed and precise signal processing are critical. Its integrated features and high-performance capabilities make it an ideal choice for applications requiring advanced CCD signal processing).
Q & A
- What is the maximum clock rate of the AD9849AKSTZ?
The maximum clock rate of the AD9849AKSTZ is 30 MHz).
- What type of package does the AD9849AKSTZ come in?
The AD9849AKSTZ is packaged in a 48-lead LQFP (7x7)).
- What is the resolution of the A/D converter in the AD9849AKSTZ?
The A/D converter in the AD9849AKSTZ has a resolution of 12 bits).
- What is the operating temperature range of the AD9849AKSTZ?
The operating temperature range of the AD9849AKSTZ is from -20°C to +85°C).
- What is the Precision Timing core used for in the AD9849AKSTZ?
The Precision Timing core allows for the adjustment of high-speed clocks with approximately 1 ns resolution).
- How is the AD9849AKSTZ programmed?
The AD9849AKSTZ is programmed using a 3-wire serial interface).
- What are the key components of the analog front end in the AD9849AKSTZ?
The analog front end includes black level clamping, Correlated Double Sampler (CDS), Pixel Gain Amplifier (PxGA), and a 12-bit Variable Gain Amplifier (VGA)).
- What is the maximum output current of the RG and H-drivers in the AD9849AKSTZ?
The maximum output current of the RG and H-drivers is programmable up to 24 mA).
- What are the primary applications of the AD9849AKSTZ?
The AD9849AKSTZ is primarily used in digital still cameras).
- What is the power supply voltage requirement for the AD9849AKSTZ?
The power supply voltage for DVDD1 and DVDD2 is 5.25 V).
