THS788 Texas instruments

THS788

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THS788

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Описание

The THS788 device is a four-channel timing measurement unit (TMU) that incorporates a time-to-digital converter (TDC) architecture for fast and accurate measurements. The TMU can provide 8 ps of single-shot accuracy. The TDC has a 13-ps resolution (LSB), which is derived from an external master clock of 200 MHz. The TDC uses fast LVDS-compatible interfaces for all of its event inputs and serial result outputs, which allows for fast and reliable data transfer. Each channel can process timestamps at a maximum speed of 200 MSPS. The THS788 device has a wide range of programmability that makes it flexible in different applications. The serial-result interface has programmable data length, frequency, and data-rate mode (DDR and normal). The event channels can be programmed to take timestamps on rising edges or falling edges. The TMU has a mode for event management, in which the user can program wait times before measurements. This programming is achieved through a 50-MHz LVCMOS interface. The THS788 device is available in an HTQFP-100 package with a heat slug on top for easy heat-sink access. The device is built using TIs RF SiGe process technology, which allows for maximum timing accuracy with low power.

Four Event Channels + Sync Channel
Single-Shot Accuracy: 8 ps, One Sigma
Precision: 13 ps
Result Interface Range: 0 s to 7 s
Event Input Rate: 200 MHz
Programmable Serial-Result Interface Speed:
75 MHz to 300 MHz
High-Speed Serial Host-Processor Bus Interface:
50 MHz
High-Speed LVDS-Compatible Serial-Result Bus
per Channel
Programmable Serial-Result Bus Length
Temperature Sensor
Single 3.3-V Supply
Power: 675 mW per Channel, 18 Bits, 300 MHz,
Four Channels

Function	General-purpose timer
Rating	Military
Operating temperature range (°C)	0 to 70