Typical Performace Characteristics–AD790
TPC 1. Propagation Delay vs.
Overdrive
TPC 2. Propagation Delay vs.
Load Capacitance
TPC 3. Propagation Delay vs.
Fanout (LSTTL and CMOS)
0.8
OUTPUT LOW VOLTAGE – Volts
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
TEMP = +25°C
0
2
4
6
8
10
I
SINK
– mA
TPC 4. Propagation Delay vs.
Source Resistance
TPC 5. Propagation Delay vs.
Temperature
TPC 6. Output Low Voltage vs.
Sink Current
t
H
5.0
OUTPUT LOW VOLTAGE – Volts
INPUT
0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
0
2
4
6
I
SOURCE
– mA
8
10
t
PD
V
OH
OUTPUT
V
OL
t
S
V
IH
LATCH
V
IL
TEMP = +25°C
TPC 7. Output High Voltage vs.
Source Current
TPC 8. Total Supply Current vs.
Temperature
t
S
= SETUP TIME
t
H
= HOLD TIME
t
PD
= COMPARATOR RESPONSE TIME
Figure 4. Latch Timing
REV. D
–5–
AD [ ANALOG DEVICES ]
