7820
Microprocessor-compatible 8-Bit ADC
TABLE 3. 7820 DC ELECTRICAL CHARACTERISTICS
(VDD = +5V; VREF(+) = +5V; VREF(-) = GND = 0V, UNLESS OTHERWISE SPECIFIED) (RD MODE (PIN 7 = 0V))
(TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
PARAMETER
TEST CONDITIONS
SUBGROUPS
MIN
TYP
MAX
UNIT
Mode
V
--
--
--
--
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
3.5
--
--
--
--
5
--
200
-1
V
INH
I
µA
µA
pF
INH
I
--
INL
Input Capacitance2
--
8
Logic Outputs
DB0-DB7, OFL, INT
V
ISOURCE =
360 µA
1, 2, 3
4
--
--
V
OH
V
ISINK = 1.6 mA
1, 2, 3
1, 2, 3
--
--
--
--
0.4
±3
V
OL
IOUT(DB0-DB7)
Floating State
Leakage
µA
Output Capacitance2
--
1, 2, 3
--
5
8
pF
RDY
V
ISINK = 2.6mA
1, 2, 3
1, 2, 3
--
--
--
--
0.4
±3
V
V
OL
IOUT
Floating State
Leakage
Output Capacitance2
Slew Rate, Tracking2
Power Supply
--
--
4, 5, 6
1, 2, 3
--
--
5
8
pF
0.2
0.1
V/µs
V
±5% for speci-
fied perfor-
mance
1, 2, 3
--
--
5
V
DD
IDD
CS = RD = OV
--
1, 2, 3
1, 2, 3
1, 2, 3
--
--
--
--
40
20
--
mA
mW
LSB
Power Dissipation
Power Supply Sensitivity
VDD = 5V ±5%
±1/16
±1/4
1. Total unadjusted error includes offset, full scale and linearity error.
2. Guarenteed by design.
09.09.03 Rev 3
All data sheets are subject to change without notice
4
©2003 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
