ADATE318 datasheet(11/80 Pages) AD

11 / 80 page

ADATE318

Rev. 0 | Page 11 of 80

Parameter

Min

Typ

Max

Unit

Test

Level

Conditions

Maximum Programmable

Hysteresis

117

Hysteresis Resolution

5.6

Calculated over hystersis control Code 10 to Code 31

CMRR

−1

mV/V

Offset measured at VCM =

−1.5 V and +6.5 V with V

= 0.0 V,

offset error change

DC PSRR

±5

mV/V

Measured at calibration points

AC SPECIFICATIONS

All ac specifications performed after dc level calibration,

unless noted; input transition time ~200 ps, 20% to 80%,

measured with 50 Ω to external termination voltage (VTTC),

peaking set to CLC = 2, unless otherwise specified

Propagation Delay,

Input to Output

0.83

VDUT0 = 0 V, VDUT1:

−0.5 V to +0.5 V swing, driver term

mode, VIT = 0.0 V, comparator threshold = 0.0 V, repeat for

other channel

Propagation Delay Tempco

2.6

ps/ºC

VDUT0 = 0 V, VDUT1:

−0.5 V to +0.5 V swing, driver term

mode, VIT = 0.0 V, comparator threshold = 0.0 V, repeat for

other channel

Propagation Delay Matching,

High Transition to Low

Transition

VDUT0 = 0 V, VDUT1:

−0.5 V to +0.5 V swing, driver term

mode, VIT = 0.0 V, comparator threshold = 0.0 V, repeat for

other channel

Propagation Delay Matching,

High to Low Comparator

VDUT0 = 0 V, VDUT1:

−0.5 V to +0.5 V swing, driver term

mode, VIT = 0.0 V, comparator threshold = 0.0 V, repeat for

other channel

Propagation Delay Change

(Dispersion) With Respect To

Slew Rate:

400 ps and 1 ns

(20% to 80%)

VDUT0 = 0.0 V; VDUT1:

−0.5 V to +0.5 V swing; driver term

mode, VIT = 0.0 V; comparator threshold = 0.0 V, repeat for

other channel

Overdrive:

250 mV and 750 mV

VDUT0 = 0.0 V; for 250 mV: VDUT1: 0 V to 0.5 V swing; for

750 mV: VDUT1: 0 V to 1.0 V swing; driver term mode,

VIT = 0.0 V; comparator threshold =

−0.25 V; repeat for

other channel with comparator threshold = +0.25 V

1 V Pulse Width:

0.7 ns, 1 ns, 5 ns, 10 ns

+1/−

VDUT0 = 0.0 V; VDUT1:

−0.5 V to +0.5 V swing at 32 MHz;

driver term mode, VIT = 0.0 V; comparator threshold = 0.0 V;

repeat for other channel

0.5 V Pulse Width:

0.6 ns, 1 ns, 5 ns, 10 ns

+1/−

VDUT0 = 0.0 V; VDUT1:

−0.25 V to +0.25 V swing at 32 MHz;

driver term mode, VIT = 0.0 V; comparator threshold = 0.0 V;

repeat for other channel

Duty Cycle:

5% to 95%

VDUT0 = 0.0 V; VDUT1:

−0.5 V to +0.5 V swing at 32 MHz;

driver term mode, VIT = 0.0 V; comparator threshold = 0.0 V;

repeat for other channel

Minimum Detectable

Pulse Width

0.5

VDUT0 = 0.0 V; VDUT1:

−0.5 V to +0.5 V swing at 32 MHz;

driver term mode, VIT = 0.0 V; comparator threshold = 0.0 V;

greater than 50% output differential amplitude; repeat for

other channel

Input Equivalent Bandwidth,

Terminated

1038

MHz

VDUT0 = 0.0 V; VDUT1:

−0.5 V to +0.5 V swing; driver term

mode, VIT = 0.0 V; comparator threshold = 0.0 V, CLC = 2 as

measured by shmoo; repeat for other channel

Comparator Pre-Emphasis (CLC)

CLC Amplitude Range

VDUT0 = 0.0 V; VDUT1:

−0.8 V to +0.8 V swing, driver term

mode, VIT = 0.0 V; comparator threshold = 0.0 V;

comparator CLC set to maximum; repeat for other channel

CLC Resolution

1.6

% per bit

3-bit amplitude control

Pre-Emphasis Time Constant

4.8

VDUT0 = 0.0 V; VDUT1:

−0.8 V to +0.8 V swing, driver term

mode, VIT = 0.0 V; comparator threshold = 0.0 V;

comparator CLC set to maximum; repeat for other channel

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