THS788 Datasheet, PDF (4/43 Pages) Texas Instruments – QUAD-CHANNEL TIME MEASUREMENT UNIT (TMU)

THS788
SLOS616B – MARCH 2010 – REVISED JUNE 2011
ELECTRICAL CHARACTERISTICS
Typical conditions are at T_J = 55°C and VCC = 3.3 V.
PARAMETER
TDC CHARACTERISTICS
Time-measurement precision (LSB)
Measurement accuracy after calibration, mean
Single-event accuracy, one sigma
Time-measurement temperature coefficient
Time-measurement voltage coefficient
Event input rate
Minimum event pulse duration
Turnon time (ready to take timestamp)
MASTER CLOCK CHARACTERISTICS
Frequency
Duty cycle
Jitter
HIGH-SPEED LVDS INPUTS: MCLK, Event, SYNC
Differential input voltage
Common-mode voltage
Peak voltage, either input
Input capacitance
HIGH-SPEED LVDS OUTPUTS: Rdata, Rstrobe, RCLK
Differential output voltage
Common-mode voltage
Rise time/fall time
Output resistance
TEMPERATURE SENSOR DC CHARACTERISTICS
Output voltage
Output voltage temperature slope
Max capacitive load
Max resistive load
OVERTEMPERATURE ALARM DC CHARACTERISTICS
Trip point
Leakage current
Output voltage, low
OUTPUT INTERFACE TIMING
RCLK duty cycle
Rdata/Rstrobe to RCLK setup time
Rdata/Rstrobe to RCLK hold time
TEST CONDITIONS
With preconditioning
Without preconditioning
100–Ω termination, line-to-line
100–Ω termination, line-to-line
20%/80%
T_J = 65°C
Active-low pulldown
Temperature < trip point
I_sink = 1 ma
300 MHz
150 MHz
75 MHz
300 MHz
150 MHz
75 MHz
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MIN TYP MAX UNIT
13.02
±8
8
0.1
±30
2.5
250
ps
ps
ps
ps/°C
ps/V
200 MHz
ns
ps
250 μs
200
MHz
0.4
0.6
3 ps rms
200
350 500 mV
1.25
V
0.6
1.7 V
1
pF
250
1.125
325 400 mV
1.28 1.375 V
250
ps
40
Ω
1.69
5
30
V
mV/°C
pF
10 kΩ
141
°C
1
μA
0.2 V
45% 50% 55%
1.4
3.1
ns
6.4
1.5
3.2
ns
6.5
4
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