HI1175_05 Datasheet, PDF (9/13 Pages) Intersil Corporation – 8-Bit, 20 MSPS, Flash A/D Converter

Typical Performance Curves (Continued)
2.5
V_RT SHORTED TO V_RTS
V_RB = AGND
2.45
HI1175
2.2
V_RB SHORTED TO V_RBS
V_RT SHORTED TO V_RTS
2.15
2.4
2.1
2.35
2.05
2.3
-40
-15
10
35
60
85
TEMPERATURE (^oC)
FIGURE 17. V_RT vs TEMPERATURE
2.0
-40
-15
10
35
60
85
TEMPERATURE (^oC)
FIGURE 18. V_RT - V_RB vs TEMPERATURE
0.75
V_RB SHORTED TO V_RBS
V_RT SHORTED TO V_RTS
0.7
0.65
0.6
25
OUTPUT RISING EDGE
20
OUTPUT FALLING EDGE
15
10
5
0.55
-40
-15
10
35
60
85
TEMPERATURE (^oC)
0
-40
-15
10
35
60
85
TEMPERATURE (^oC)
FIGURE 19. V_RB vs TEMPERATURE
FIGURE 20. OUTPUT DATA DELAY vs TEMPERATURE
INPUT SIGNAL
VOLTAGE
V_RT
•
•
•
•
•
•
•
•
V_RB
STEP
255
•
•
•
128
127
•
•
•
0
MSB
1
1
0
0
A/D OUTPUT CODE TABLE
DIGITAL OUTPUT CODE
D6
D5
D4
D3
D2
1
1
1
1
1
•
•
•
0
0
0
0
0
1
1
1
1
1
•
•
•
0
0
0
0
0
D1
LSB
1
1
0
0
1
1
0
0
9