Overview
The LM98519VHB is a fully integrated, high-performance 10-bit, 65 MSPS signal processing solution designed for digital color copiers, scanners, and other image processing applications. Developed by Texas Instruments (previously National Semiconductor), this component utilizes an innovative six-channel architecture that incorporates Correlated Double Sampling (CDS) or Sample and Hold (SH) type sampling. This architecture enables high-speed signal throughput, making it ideal for applications requiring precise and efficient image processing.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | TQFP (80 pins) | 12.00 mm × 12.00 mm |
| Operating Temperature Range | °C | 0 to 70 |
| Supply Voltage | V | 3.0 to 3.6 |
| Power Dissipation | W | 1.04 (Typical) |
| ADC Resolution | Bits | 10 |
| ADC Sampling Rate | MSPS | 10 to 65 |
| PGA Gain Range | 1x to 10x (0 to 20 dB) | |
| CDS/SH Gain Settings | 1x or 2.1x | |
| Total Channel Gain | 1x to 20x (0 to 26 dB) | |
| SNR | dB | 67.5 (Gain = 1x) |
| Offset DAC Range | mV | ±111 mV or ±60 mV (FDAC), ±277 mV (CDAC) |
| Offset DAC Resolution | Bits | ±10 Bits (FDAC), ±4 Bits (CDAC) |
Key Features
- 3.3-V Single Supply Operation
- CDS or S/H Processing with Negative Input Signal Polarity
- 32.5-MHz Channel Rate
- Enhanced ESD Protection on Host Interface Pins
- Low Power CMOS Design
- 4-Wire Serial Interface
- 2 Channel Symmetrical Architecture
- Independent Gain and Offset Correction for Each Channel
- Digital Black Level Calibration for Each Channel
- Digital White Level Calibration for Each Channel
- Programmable Input Clamp
Applications
- Digital Color Copiers
- Scanners
- Other Image Processing Applications
Q & A
- What is the primary function of the LM98519VHB?
The LM98519VHB is a high-performance 10-bit, 65 MSPS signal processing solution for digital color copiers, scanners, and other image processing applications.
- What type of sampling does the LM98519VHB support?
The LM98519VHB supports Correlated Double Sampling (CDS) or Sample and Hold (SH) type sampling.
- What is the operating temperature range of the LM98519VHB?
The operating temperature range is 0 to 70°C.
- What is the supply voltage range for the LM98519VHB?
The supply voltage range is 3.0 to 3.6 V.
- What is the ADC resolution of the LM98519VHB?
The ADC resolution is 10 bits.
- What is the maximum ADC sampling rate of the LM98519VHB?
The maximum ADC sampling rate is 65 MSPS.
- Does the LM98519VHB have ESD protection?
- What type of interface does the LM98519VHB use?
The LM98519VHB uses a 4-wire serial interface.
- Can the gain and offset be adjusted independently for each channel?
- What is the noise floor of the LM98519VHB?
The noise floor is -67.5 dB.
