Datasheet

AD8561
–5–
Typical Performance Characteristics (V+ = +5 V, V– = 0 V, T
A
= +25ⴗC unless otherwise noted)
DIFFERENTIAL INPUT VOLTAGE – mV
OUTPUT VOLTAGE – Volts
5
4
0
–2.5 –2.0 1.5
–1.5 –1.0 –0.5 0 0.5 1.0
3
2
1
V
S
= 5V, SINGLE SUPPLY
+125ⴗC
+25ⴗC
–40ⴗC
Figure 1. Output Voltage vs. Differen-
tial Input Voltage
LOAD CAPACITANCE – pF
PROPAGATION DELAY – ns
20
15
0
0
10 50
20 30 40
10
5
V
S
= 5V, SINGLE SUPPLY
STEP SIZE = 100mV
OVERDRIVE LOAD = 5mV
t
PD
–
FALLING EDGE
t
PD
+
FALLING EDGE
Figure 4. Propagation Delay vs. Load
Capacitance
TEMPERATURE – ⴗC
PROPAGATION DELAY – ns
20
15
0
–50
–25
50
025
10
5
V
S
= +5V, SINGLE SUPPLY
STEP SIZE = 100mV
OVERDRIVE = 5mV,
LOAD CAPACITANCE = 10pF
75 100 125
Figure 7. Propagation Delay vs.
Temperature
INPUT VOLTAGE – mV
NUMBER OF COMPARATORS
500
400
0
–5 5–4 –3 –2 –1 0 1 2 3 4
300
200
100
Figure 2. Typical Distribution of Input
Offset Voltage
SOURCE RESISTANCE – k⍀
PROPAGATION DELAY – ns
40
30
0
0
0.5 2
11.5
20
10
V
S
= 5V, SINGLE SUPPLY
OVERDRIVE = 10mV
CAPACITANCE LOAD = 10pF
T
A
= +25ⴗC
100mV
STEP SIZE = 800mV
400mV
200mV
Figure 5. Propagation Delay vs.
Source Resistance
COMMON-MODE VOLTAGE – Volts
PROPAGATION DELAY – ns
20
15
0
0
15
23 4
10
5
V
S
= 5V
STEP SIZE = 100mV
OVERDRIVE = 5mV
LOAD CAPACITANCE = 10pF
+25ⴗC
–40ⴗC
+125ⴗC
Figure 8. Propagation Delay vs. V
CM
OVERDRIVE – mV
PROPAGATION DELAY – ns
20
15
0
0
10 50
20 30 40
10
5
V
S
= 5V, SINGLE SUPPLY
STEP SIZE = 100mV
CAPACITANCE LOAD = 10pF
T
A
= +25ⴗC
Figure 3. Propagation Delay vs.
Overdrive
SUPPLY VOLTAGE – Volts
PROPAGATION DELAY – ns
20
15
0
4.5 4.75 5.5
55.25
10
5
SINGLE SUPPLY,
STEP SIZE = 100mV
OVERDRIVE = 5mV
CAPACITANCE LOAD = 10pF
T
A
= +25ⴗC
Figure 6. Propagation Delay vs. Posi-
tive Supply Voltage
TEMPERATURE – ⴗC
TIME – ns
4
3
0
–50 –25 125
0 25 50 75 100
2
1
HOLD TIME
SET-UP TIME
Figure 9. Latch Setup-and-Hold Time
vs. Temperature
Rev. B