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
92
100
108
Ω
P
voltage from xP to
xN1, calculate resistance (ΔV/ΔI)
Input Voltage Differential
0.2
1.0
V
PF
Common-Mode Voltage
0.85
2.35
V
PF
0.85
3.5
V
D
Input Bias Current
20.0
+2.2
+20.0
μA
P
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
V
D
Output Low Range, VL
1.25
+6.65
V
D
Output Term Range, VT
1.25
+6.75
V
D
Functional Amplitude (VH VL)
0.0
8.0
V
D
Amplitude can be programmed to VH = VL, accuracy specifica-
tions apply when VH VL ≥ 200 mV
DC Output Current Limit Source
75
100
120
mA
P
Driver high, VH = 6.75 V, short DUTx pin to 1.25 V, measure
current
DC Output Current Limit Sink
120
100
75
mA
P
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
Ω
P
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
mV
P
Error measured at calibration points of 0 V and 5 V
VH, VL, VT Offset Tempco
±450
μV/°C
CT
Measured at calibration points
VH, VL, VT DNL
±1
mV
CT
After two-point gain/offset calibration
VH, VL, VT INL
10
±2.5
+10
mV
P
After two-point gain/offset calibration; measured over driver
output ranges
VH, VL, VT Resolution
0.6
+1
mV
PF
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
+7
mV
P
Over ±0.1 V range; measured at endpoints of VH, VL, and VT
functional range
VH, VL, VT Crosstalk
±2
mV
CT
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
mV
CT
Sum of INL, crosstalk, DUTGND, and tempco over ±5°C, after
gain/offset calibration
VH, VL, VT DC PSRR
±15
mV/V
CT
Measured at calibration points
AC SPECIFICATIONS
Rise/Fall Times
Toggle DATAxx
0.2 V Programmed Swing
950
ps
CB
VH = 0.2 V, VL = 0.0 V, terminated; 20% to 80%
1.0 V Programmed Swing
850
ps
CB
VH = 1.0 V, VL = 0.0 V, terminated; 20% to 80%
2.0 V Programmed Swing
850
1150
1350
ps
CB
VH = 3.0 V, VL = 0.0 V, terminated; 20% to 80%
3.0 V Programmed Swing
1500
ps
P/CB
VH = 3.0 V, VL = 0.0 V, terminated; 20% to 80%
3.0 V Programmed Swing
2000
ps
CB
VH = 3.0 V, VL = 0.0 V, unterminated; 10% to 90%
5.0 V Programmed Swing
3100
ps
CB
VH = 5.0V, VL = 0.0 V, unterminated; 10% to 90%
Rise-to-Fall Matching
40
ps
CB
VH = 3.0 V, VL = 0.0 V, terminated; rise-to-fall within one channel