
MAX154/MAX158
CMOS High-Speed 8-Bit ADCs with
Multiplexer and Reference
4
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(TA = +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
050
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
VDD = 5V
ISOURCE VOUT = 2.4V
ISINK VOUT = 0.4V
2.0
0
300
900
ACCURACY
vs. DELAY BETWEEN CONVERSIONS (tp)
0.5
1.0
1.5
MX7824/28-3
tp (ns)
LINEARITY
ERROR
(LSB)
700
800
400
500
600
VDD = 5V
VREF = 5V
2.0
0
05
ACCURACY vs. VREF
[VREF = VREF(+) - VREF(-)]
0.5
1.0
1.5
MX7824/28-4
VREF (V)
LINEARITY
ERROR
(LSB)
34
12
VDD = 5V
3k
100pF
DGND
DBN
a. High-Z to VOH
b. High-Z to VOL
DBN
+5V
DGND
10pF
3k
100pF
DGND
DBN
a. High-Z to VOH
b. High-Z to VOL
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
VDD = 5.25V
VDD = 5V
VDD = 4.75V
Figure 1. Load Circuits for Data-Access Time Test
Figure 2. Load Circuits for Data-Hold Time Test