ADATE305 datasheet(5/56 Pages) AD

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ADATE305

Rev. 0 | Page 5 of 56

DRIVER

VH − VL ≥ 200 mV (to meet dc/ac specifications).

Table 2.

Parameter

Min

Typ

Max

Unit

Test

Level

Conditions/Comments

DC SPECIFICATIONS

High-Speed Differential Logic

Input Characteristics (DATA, RCV)

Input Termination Resistance

100

108

Push 6 mA into xP pins, force 1.3 V on xN pins; measure voltage

from xP to xN, calculate resistance (ΔV/ΔI)1

Input Voltage Differential

0.2

1.0

Common-Mode Voltage

0.85

2.35

Input Bias Current

−20.0

+2.2

+20.0

μA

Each pin tested at 2.85 V and 0.35 V, while the other high speed

pin remains open

Pin Output Characteristics

Output High Range, VH

−1.4

+6.0

Output Low Range, VL

−1.5

+5.9

Output Term Range, VT

−1.5

+6.0

Functional Amplitude (VH − VL)

0.0

7.5

Amplitude can be programmed to VH = VL, accuracy specs

apply when VH − VL ≥ 200 mV

DC Output Current Limit

Source

100

120

Driver high, VH = 6.0 V, short DUTx pin to −2.0 V, measure current

DC Output Current Limit Sink

−120

−100

−75

Driver low, VL = −1.5 V, short DUTx pin to 6.0 V, measure current

Output Resistance, ±50 mA

45.0

47.0

49.0

Source: driver high, VH = 3.0 V, IDUTx = 1 mA and 50 mA;

sink: driver low, VL = 0.0 V, IDUTx = −1 mA and −50 mA; ΔVDUT/ΔIDUT

ABSOLUTE ACCURACY

VH tests done with VL = −2.5 V and VT= −2.5 V;

VL tests done with VH = 7.5 V and VT = 7.5 V;

VT tests done with VL = −2.5 V and VH = +7.5 V; unless otherwise

specified

VH, VL, VT Uncalibrated Accuracy

−250

±75

+250

Error measured at calibration points of 0 V and 5 V

VH, VL, VT Offset Tempco

±450

μV/°C

Measured at calibration points

VH, VL, VT DNL

±1

After two-point gain/offset calibration

VH, VL, VT INL

−10

±2.5

+10

After two-point gain/offset calibration; measured over driver

output ranges

VH, VL, VT Resolution

0.6

After two-point gain/offset calibration; range/number of DAC

bits as measured at calibration points of 0 V and 5 V

DUTGND Voltage Accuracy

−7

±1.3

Over ±0.1 V range; measured at end points of VH, VL, and VT

functional range

VH, VL, VT Crosstalk

±2

VL = −1.5 V: VH = −1.4 V

→ 6.0 V, VT = −1.5 V → 6.0 V;

VH = 6.0 V: VL = −1.5 V

→ 5.9 V, VT = −1.5 V → 6.0 V;

VT = 1.5 V: VL = −1.5 V

→ 5.9 V, VH = −1.4 V → 6.0 V; dc crosstalk

on VL, VH, VT output level when other driver DACs are varied

Overall Voltage Accuracy

±10

Sum of INL, crosstalk, DUTGND, and tempco over ±5°C, after

gain/offset calibration

VH, VL, VT DC PSRR

±15

mV/V

Measured at calibration points

AC SPECIFICATIONS

Rise/Fall Times

Toggle DATAxx

0.2 V Programmed Swing

1000

VH = 0.2 V, VL = 0.0 V, terminated; 20% to 80%

1.0 V Programmed Swing

800

VH = 1.0 V, VL = 0.0 V, terminated; 20% to 80%

2.0 V Programmed Swing

950

VH = 2.0 V, VL = 0.0 V, terminated; 20% to 80%

3.0 V Programmed Swing

1000

1175

1500

P/CB

VH = 3.0 V, VL = 0.0 V, terminated; 20% to 80%

3.0 V Programmed Swing

1650

VH = 3.0 V, VL = 0.0 V, unterminated; 10% to 90%

5.0 V Programmed Swing

2350

VH = 5.0V, VL = 0.0 V, unterminated; 10% to 90%

Rise to Fall Matching

VH = 3.0 V, VL = 0.0 V, terminated; rise to fall within one channel

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