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ADATE305

Rev. 0 | Page 8 of 56

Parameter

Min

Typ

Max

Unit

Test

Level

Conditions/Comments

Comparator Uncertainty Range

6.0

VDUTx = 0 V, sweep comparator

threshold to determine uncertainty

region

DC Hysteresis

0.5

VDUTx = 0 V

DC PSRR

±5

mV/V

Measured at calibration points

Digital Output Characteristics

Internal Pull-Up Resistance

to Comparator, COMP_VTT

Pull 1 mA and 10 mA from Logic 1 leg

and measure ΔV to calculate resis-

tance; measured ΔV/9 mA; done for

both comparator logic states

VCOMP_VTT Range

3.3

5.0

Common-Mode Voltage

VCOMP_VTT − 1.88

Measured with 100 Ω differential

termination

VCOMP_VTT − 2.075

VCOMP_VTT − 1.675

Measured with no external termination

Differential Voltage

250

Measured with 100 Ω differential

termination

400

500

600

Measured with no external termination

Rise/Fall Time, 20% to 80%

450

Measured with each comparator leg

terminated 50 Ω to GND

AC SPECIFICATIONS

Input transition time = 800 ps, 10% to

90%; measured with each comparator

leg terminated 50 Ω to GND; unless

otherwise specified

Propagation Delay, Input to

Output

1.75

VDUTx = 0 V to 1.5 V swing, Driver

VTERM mode, VT = 0.0 V; high-side

measurement: VOH = 0.75 V, VOL =

−1.5 V; low-side measurement: VOH =

6.0 V, VOL = 0.75 V

Propagation Delay Tempco

ps/°C

VDUTx = 0 V to 1.5 V swing, Driver

VTERM mode, VT = 0.0 V; high-side

measurement: VOH = 0.75 V, VOL =

−1.5 V; low-side measurement: VOH =

6.0 V, VOL = 0.75 V

Propagation Delay Matching

VDUTx = 0 V to 1.5 V swing, Driver

VTERM mode, VT = 0.0 V; high-side

measurement: VOH = 0.75 V, VOL =

−1.5 V; low-side measurement: VOH =

6.0 V, VOL = 0.75 V

High Transition to Low

Transition

200

High to Low Comparator

Propagation Delay Change

(with Respect To)

Slew Rate, 800 ps, 1 ns, 1.2 ns,

and 2.2 ns (10% to 90%)

VDUTx = 0 V to 1.5 V swing, Driver

VTERM mode, VT = 0.0 V; high-side

measurement: VOH = 0.75 V, VOL =

−1.5 V; low-side measurement: VOH =

6.0 V, VOL = 0.75 V

Overdrive, 250 mV and 1.5 V

For 250 mV: VDUTx = 0 V to 0.5 V swing;

for 1.5 V: VDUTx = 0 V to 1.75 V swing;

Driver VTERM mode, VT = 0.0 V; high-

side measurement: VOH = 0.25 V,

VOL = −1.5 V; low-side measurement:

VOH = 6.0 V, VOL = 0.25 V

Pulse Width, Sweep 1.6 ns to

10 ns

VDUTx = 0 V to 1.5 V swing @ 32.0 MHz,

Driver VTERM mode, VT = 0.0 V; high-

side measurement: VOH = 0.5 V, VOL =

−1.5 V; low-side measurement: VOH =

6.0 V, VOL = 0.5 V

ADATE305 数据表(PDF) 8 Page - Analog Devices

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ADATE305 数据表(PDF) 8 Page - Analog Devices

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