VSP5000 Texas instruments

VSP5000

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VSP5000

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Описание

The VSP5000 device is a complete application specific standard product (ASSP) for charge-coupled device (CCD) line sensor applications such as copiers, scanners, and facsimiles. The VSP5000 device provides two independent channels of processing lines and performs analog front-end processing and analog-to-digital (A/D) conversion. Each channel has a correlated double sampler (CDS)/sample hold (SH) circuit, a 14-bit analog-to-digital converter (ADC), a digital programmable gain amplifier (DPGA), and an optical black (OB) correction loop. Data output is 12 bits in length and the 2-channel A/D data is multiplexed and output. The VSP5000 is available in a 64-lead LQFP package and operates from a single 3.3-V supply.

Dual Channel CCD Signal Processing:
- Correlated Double Sampler (CDS)
- Sample Hold Mode
- Digital Programmable Amplifier
- CCD Offset Correction (OB loop)
High Performance A/D:
- 12-Bit Resolution
- INL: ±2 LSB
- DNL: ±0.5 LSB
- No Missing Codes
High-Speed Operation
- Sample Rate: 30 MHz (Minimum)
78-dB Signal-To-Noise Ratio (at 0-dB Gain)
Low Power Consumption:
- Low Voltage: 3 V to 3.6 V
- Low Power: 290 mW (Typ) at 3.3 V
- Standby Mode: 20 mW (Typ)
APPLICATIONS
- Copiers
- Scanners
- Facsimiles

Resolution (Bits)	12
Sample rate (Msps)	30
Gain (min) (dB)	0
Gain (max) (dB)	24
Pd (typ) (mW)	290
Supply voltage (max) (V)	3.6
Operating temperature range (°C)	-25 to 85
Output data format	CMOS Parallel
Rating	Catalog