ADATE320 datasheet(11/78 Pages) AD

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Data Sheet

ADATE320

SPECIFICATIONS

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Rev. C | 11 of 78

Table 5.

Parameter

Min

Typ

Max

Unit

Test Level

Test Conditions/Comments

Minimum Detectable Pulse Width

200

VDUT0 = 0.0 V, VDUT1 = −0.5 V to +0.5 V swing, 32 MHz, drive term

mode, VIT = 0.0 V, comparator threshold = 0.0 V, greater than 50%

output differential amplitude, repeat with VDUTx inputs reversed

Input Equivalent Rise/Fall Time

110

VDUT0 = 0.0 V, VDUT1 = −0.5 V to +0.5 V swing, drive term mode, VIT

= 0.0 V, comparator threshold = 0.0 V, CLC = ¼ scale, measured from

digitized plot, t = √(tCMP2 − tIN2)

Cable Loss Compensation (CLC)

VDUT0 = 0.0 V, VDUT1 = −0.8 V to +0.8 V swing, drive term mode, VIT =

0.0 V, comparator threshold = 0.0 V, comparator CLC set to maximum

CLC setting, repeat with VDUTx inputs reversed

CLC Amplitude

CLC Resolution

Bits

CLC Time Constant 1

280

CLC Time Constant 2

4.8

ACTIVE LOAD SPECIFICATIONS

Table 6.

Parameter

Min

Typ

Max

Unit

Test Level

Test Conditions/Comments

DC SPECIFICATIONS

Load in active on state, RCVx active

Input Characteristics

Active Load Commutation

Voltage (VCOMx) Range

−1.5

+4.5

IOHx = IOLx = 1 mA, VDUTx open circuit

VCOMx Offset

−200

+200

Measured at DAC Code 0x4000 (0.0 V), uncalibrated

VCOMx Offset TC

±100

µV/°C

VCOMx Gain

1.0

1.1

V/V

Gain derived from measurements at DAC Code 0x4000 (0.0 V) and DAC

Code 0x8CCC (3.0 V)

VCOMx Gain TC

±20

ppm/°

VCOMx Resolution

153

µV

VCOMx DNL

±250

µV

IOHx = IOLx = 12.5 mA, after two-point gain/offset calibration; measured

over VCOMx range −1.5 V to +4.5 V; calibration points DAC Code

0x4000 (0.0 V) and DAC Code 0x8CCC (3.0 V)

VCOMx INL

IOHx = IOLx = 12.5 mA; after two-point gain/offset calibration; calibration

points DAC Code 0x4000 (0.0 V) and DAC Code 0x8CCC (3.0 V)

Focused Range

−5

Measured over VCOMx range of −0.5 V to +3.5 V

Full Range

−10

+10

Measured over VCOMx range of −1.5 V to +4.5 V

DUTGND Voltage Accuracy

−5

±1

Over ±0.1 V range; measured over −0.5 V to +3.5 V focused VCOMx

range

Output Characteristics

Maximum Source Current (IOLx) 25

VDUTx ≤ 3.5 V (a compliance limit is set by a 50 Ω internal resistor as

illustrated in Figure 141)

IOLx Offset

−600

+600

µA

IOHx = −2.5 mA, VCOMx = 1.5 V, VDUTx = 0.0 V; offset extrapolated from

measurements at DAC Code 0x451F (1 mA) and DAC Code 0xA666

(20 mA)

IOLx Offset TC

±1

µA/°C

IOLx Gain Error

+25

IOHx = −2.5 mA, VCOMx = 1.5 V, VDUTx = 0.0 V; gain derived from

measurements at DAC Code 0x451F (1 mA) and DAC Code 0xA666 (20

mA); based on an ideal dc transfer function

IOLx Gain TC

±100

ppm/°

IOLx Resolution

763

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