THS789PFD datasheet(6/34 Pages) TI1

6 / 34 page

THS789

SLOS776A – SEPTEMBER 2012 – REVISED DECEMBER 2015

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6.5 Electrical Characteristics

Typical conditions are at TJ = 55°C and VCC = 3.3 V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TDC CHARACTERISTICS

Time-measurement precision (LSB)

13.02

Measurement accuracy after calibration, mean

–800

800

Single-event accuracy, one sigma

800

Time-measurement temperature coefficient

0.1

ps/°C

Time-measurement voltage coefficient

±30

ps/V

Event input rate

200

MHz

Minimum event pulse duration

250

Turnon time (ready to take timestamp)

250

μs

MASTER CLOCK CHARACTERISTICS

Frequency

200

MHz

Duty cycle

0.4

0.6

Jitter

ps RMS

HIGH-SPEED LVDS INPUTS: MCLK, EVENT, SYNC

Differential input voltage

100-

Ω termination, line-to-line

200

350

500

Common-mode voltage

1.25

Peak voltage, either input

0.6

1.7

Input capacitance

HIGH-SPEED LVDS OUTPUTS: Rdata, Rstrobe, RCLK

Differential output voltage

100-

Ω termination, line-to-line

250

325

400

Common-mode voltage

1.125

1.28

1.375

Rise time/fall time

20%/80%

250

Output resistance

Ω

TEMPERATURE SENSOR DC CHARACTERISTICS

Output voltage

TJ = 65°C

1.69

Output voltage temperature slope

mV/°C

Max capacitive load

Max resistive load

Ω

OVERTEMPERATURE ALARM DC CHARACTERISTICS

Trip point

Active-low pulldown

141

°C

Leakage current

Temperature < trip point

μA

Output voltage, low

Isink = 1 ma

0.2

OUTPUT INTERFACE TIMING

RCLK duty cycle

45%

50%

55%

Rdata/Rstrobe to RCLK setup time

300 MHz

1.4

Rdata/Rstrobe to RCLK hold time

300 MHz

1.5

OPERATING PARAMETERS

Coarse counter range

bit

Coarse counter max time range

14.31

Result-interface clock

300

MHz

Result-interface transfer format

bit

Result-interface time range

–7.158

7.158

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