Rainbow Electronics MAX158 - Manual (Page 4)

MAX154/MAX158
CMOS High-Speed 8-Bit ADCs with
Multiplexer and Reference
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
2.520
2.480
-50 150
REFERENCE TEMPERATURE DRIFT
2.490
2.510
MX7824/28-1
AMBIENT TEMPERATURE (°C)
REF OUT VOLTAGE (V)
2.500
100 0 50
20
0
-100 150
OUTPUT CURRENT
vs. TEMPERATURE
4
12
16
MX7824/28-2
AMBIENT TEMPERATURE (°C)
OUTPUT CURRENT (mA)
8
100 -50 0 50
V DD = 5V
I SOURCE V OUT = 2.4V
I SINK V OUT = 0.4V
2.0
0
300 900
ACCURACY
vs. DELAY BETWEEN CONVERSIONS (t
p
)
0.5
1.0
1.5
MX7824/28-3
t p (ns)
LINEARITY ERROR (LSB)
700 800 400 500 600
V DD = 5V
V REF = 5V
2.0
0
0 5
ACCURACY vs. V REF
[V REF = V REF (+) - V REF (-)]
0.5
1.0
1.5
MX7824/28-4
V REF (V)
LINEARITY ERROR (LSB)
3 4 1 2
V DD = 5V
3k
3k
100pF
DGND
DBN
a. High-Z to V OH b. High-Z to V OL
DBN
+5V
DGND
10pF 3k
3k
100pF
DGND
DBN
a. High-Z to V OH b. High-Z to V OL
DBN
+5V
DGND
10pF
8
2
-100 150
POWER-SUPPLY CURRENT vs. TEMPERATURE
(NOT INCLUDING REFERENCE LADDER)
3
4
5
6
7 MX7824/28-5
AMBIENT TEMPERATURE (°C)
I DD
– SUPPLY CURRENT (mA)
50 100 -50 0
V DD = 5.25V
V DD = 5V
V DD = 4.75V
Figure 1. Load Circuits for Data-Access Time Test Figure 2. Load Circuits for Data-Hold Time Test