ADATE304BBCZ datasheet(5/52 Pages) AD

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ADATE304

Rev. 0 | Page 5 of 52

DRIVER

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

Table 2.

Parameter

Min

Typ

Max

Unit

Test

Level

Test Conditions/Comments

DC SPECIFICATIONS

High Speed Differential Logic Input

Characteristics (DATAxx, RCVxx)

Input Termination Resistance

100

108

Push 6 mA into xP pins1, force 1.3 V on xN pins1; measure

voltage from xP to xN1, calculate resistance (ΔV/ΔI)

Input Voltage Differential

0.2

1.0

Common-Mode Voltage

0.85

2.35

0.85

3.5

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

−1.15

+6.75

Output Low Range, VL

−1.25

+6.65

Output Term Range, VT

−1.25

+6.75

Functional Amplitude (VH − VL)

0.0

8.0

Amplitude can be programmed to VH = VL, accuracy specifica-

tions apply when VH − VL ≥ 200 mV

DC Output Current Limit Source

100

120

Driver high, VH = 6.75 V, short DUTx pin to −1.25 V, measure

current

DC Output Current Limit Sink

−120

−100

−75

Driver low, VL = −1.25 V, short DUTx pin to +6.75 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 endpoints of VH, VL, and VT

functional range

VH, VL, VT Crosstalk

±2

VL = −1.25 V: VH = −1.15 V

→ +6.75 V, VT = −1.25 V → +6.75 V;

VH = +6.75 V: VL = −1.25 V

→ +6.65 V, VT = −1.25 V → +6.75 V;

VT = +1.25 V: VL = −1.25 V

→ +6.65 V, VH = −1.15 V → +6.75 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

950

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

1.0 V Programmed Swing

850

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

2.0 V Programmed Swing

850

1150

1350

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

3.0 V Programmed Swing

1500

P/CB

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

3.0 V Programmed Swing

2000

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

5.0 V Programmed Swing

3100

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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