Texas Instruments VSP1221
ULTRALOW-POWER CCD SIGNAL PROCESSOR
| Part No. | VSP1221 |
|---|---|
| Datasheet | VSP1221 Download |
| Manufacturer |  Texas Instruments |
| Description | ULTRALOW-POWER CCD SIGNAL PROCESSOR |
| Buy | Stock & Price |
FEATURES
● 12-Bit, 21-MSPS, Analog-to-Digital Converter● Low Power: 70 mW Minimum Power-Down Mode: 4 mW
● Low Input-Referred Noise: 75-dB SNR Typical at 0-dB Gain
● Novel Optical-Black (OB) Calibration
● Low-Aperture Delay
● Single 3-V Supply Operation
● DNL: <±0.5 LSB and INL: <±1.5 LSB Typical at 0-dB Gain
● Programmable-Gain Range: 0 dB to 36 dB, Gain Resolution of 0.05 dB/Step
● 48-Pin TQFP Package
APPLICATIONS
● Digital Still Camera● Digital Video Camera
DESCRIPTION
The VSP1221 is a highly-integrated mixed-signal IC used for signal conditioning and analog-to-digital conversion at the output of a CCD array. The IC has a correlated double sampler (CDS) and an analog programmable-gain amplifier (PGA) stage followed by an analog-to-digital converter (ADC) and a digital PGA stage. The CDS is used to sample the CCD signal and is followed by the analog PGA stage. The ADC is a12-bit, 21-MSPS pipelined ADC. The digital PGA provides further amplification. Additionally, there is an offset calibration loop for optical-black correction.
