Overview
The Texas Instruments VSP2582RHNR is a highly advanced mixed-signal processing Integrated Circuit (IC) designed specifically for digital cameras. This Analog Front End (AFE) IC integrates Correlated Double Sampling (CDS) and Analog-to-Digital Conversion (ADC) functionalities, making it an ideal choice for processing signals from Charge-Coupled Device (CCD) arrays. The VSP2582RHNR offers exceptional performance in handling varying illumination conditions, ensuring stable gain control and accurate black level reference through its advanced offset correction mechanisms.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution (Bits) | 12 |
| Number of Channels | 1 |
| Sample Rate (Msps) | 36 |
| Gain (min) (dB) | -9 |
| Gain (max) (dB) | +35 |
| Power Consumption (typ) (mW) | 85 |
| Supply Voltage (V) | 2.7 to 3.6 |
| Operating Temperature Range (°C) | -25 to 85 |
| Package | 36-VQFN (6.2x6.2 mm) |
| Output Data Format | CMOS Parallel |
Key Features
- CCD Signal Processing: 36-MHz Correlated Double Sampling (CDS) and 12-Bit Analog-to-Digital Conversion with a 36-MHz conversion rate.
- No Missing Codes Ensured: Ensures accurate digital conversion without missing codes.
- High SNR: 78-dB input-referred Signal-to-Noise Ratio (SNR) at CDS gain 0 dB.
- Programmable Gain Amp (PGA): –9 dB to +35 dB by analog front gain and –6 dB to +26 dB by digital gain.
- Programmable Black Level Clamping: Ensures accurate black level reference with quick recovery after gain changes.
- Portable Operation: Low voltage operation from 2.7 V to 3.6 V and low power consumption of 85 mW at 3.0 V and 36 MHz, with 1 mW in standby mode.
- Package: QFN-36 package with an exposed thermal pad for improved thermal performance.
Applications
The VSP2582RHNR is specifically designed for digital camera applications, particularly those requiring high-quality image processing from CCD arrays. It is suitable for a variety of digital imaging systems where stable gain control, accurate black level reference, and low power consumption are critical.
Q & A
- What is the primary function of the VSP2582RHNR IC?
The VSP2582RHNR is a mixed-signal processing IC that provides Correlated Double Sampling (CDS) and Analog-to-Digital Conversion (ADC) for CCD arrays in digital cameras.
- What is the resolution and sample rate of the VSP2582RHNR?
The VSP2582RHNR has a 12-bit resolution and a sample rate of 36 Msps.
- What is the gain range of the Programmable Gain Amp (PGA) in the VSP2582RHNR?
The PGA has a gain range of –9 dB to +35 dB by analog front gain and –6 dB to +26 dB by digital gain.
- What is the power consumption of the VSP2582RHNR?
The typical power consumption is 85 mW at 3.0 V and 36 MHz, with 1 mW in standby mode.
- What is the operating temperature range of the VSP2582RHNR?
The operating temperature range is from –25°C to 85°C.
- What package type does the VSP2582RHNR come in?
The VSP2582RHNR comes in a 36-VQFN (6.2x6.2 mm) package.
- Is the VSP2582RHNR lead-free and ROHS compliant?
Yes, the VSP2582RHNR is lead-free and ROHS compliant.
- What is the input-referred SNR of the VSP2582RHNR at CDS gain 0 dB?
The input-referred SNR is 78 dB at CDS gain 0 dB.
- Does the VSP2582RHNR support programmable black level clamping?
Yes, the VSP2582RHNR supports programmable black level clamping with quick recovery after gain changes.
- What are the typical supply voltages for the VSP2582RHNR?
The typical supply voltages are from 2.7 V to 3.6 V.
