MAX154 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference

CMOS High-Speed 8-Bit ADCs with
Multiplexer and Reference
__________________________________________Typical Operating Characteristics
(T_A = +25°C, unless otherwise noted.)
REFERENCE TEMPERATURE DRIFT
2.520
2.510
2.500
2.490
2.480
-50
0
50
100 150
AMBIENT TEMPERATURE (°C)
OUTPUT CURRENT
vs. TEMPERATURE
20
V_DD = 5V
16
I_SOURCE V_OUT = 2.4V
12
8
I_SINK V_OUT = 0.4V
4
0
-100 -50
0 50
100 150
AMBIENT TEMPERATURE (°C)
ACCURACY
vs. DELAY BETWEEN CONVERSIONS (t_p)
2.0
V_DD = 5V
V_REF = 5V
1.5
1.0
0.5
0
300 400 500 600 700
t_p (ns)
800 900
ACCURACY vs. V_REF
[V_REF = V_REF(+) - V_REF(-)]
2.0
V_DD = 5V
1.5
1.0
0.5
0
0
1
2
3
V_REF (V)
4
5
DBN
3k
DGND
DBN
100pF
+5V
3k
10pF
DGND
POWER-SUPPLY CURRENT vs. TEMPERATURE
(NOT INCLUDING REFERENCE LADDER)
8
7
6
V_DD = 5.25V
5
V_DD = 5V
4
3
V_DD = 4.75V
2
-100 -50
0
50
100 150
AMBIENT TEMPERATURE (°C)
DBN
3k
DGND
DBN
100pF
+5V
3k
10pF
DGND
a. High-Z to V_OH
b. High-Z to V_OL
Figure 1. Load Circuits for Data-Access Time Test
a. High-Z to V_OH
b. High-Z to V_OL
Figure 2. Load Circuits for Data-Hold Time Test
4 _______________________________________________________________________________________