Rainbow Electronics MX7828 User Manual
Page 2
MX7824/MX7828
CMOS, High-Speed, 8-Bit ADCs
with Multiplexer
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= +5V, V
REF
+ = +5V, V
REF
- = GND, Mode 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage, VDD to GND ........................................0V, +10V
Voltage at Any Other Pins......................GND - 0.3V, V
DD
+ 0.3V
Output Current (REF OUT)..................................................30mA
Power Dissipation (any package) to +75°C ....................450mW
Derate above +25°C by ..............................................6mW/°C
Operating Temperature Ranges
MX7824, MX7828
KN/LN/KCW_/LCW_ ............................................0°C to +70°C
BQ/CQ .............................................................-40°C to +85°C
TQ/UQ............................................................-55°C to +125°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Input Capacitance (Note 4)
C
IN
5
8
pF
Input Low Voltage
V
INL
0.8
V
Input High Current
I
INH
1
µA
Input Low Current
I
INL
-1
µA
Analog Input Current
I
AIN
±3
µA
Slew Rate, Tracking
SR
0.7
0.157
V/µs
Input High Voltage
V
INH
2.4
V
Any channel, AIN = 0V to 5V
Output Noise
e
N
200
µV/rms
Capacitive Load
0.01
µF
Analog Input Voltage Range
A
INR
V
REF
-
V
REF
+
V
Analog Input Capacitance
C
AIN
45
pF
±1
MAX15_B, MX782_K/B/T
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Channel to Channel Mismatch
±1/4
LSB
No Missing Codes Resolution
8
Bits
Total Unadjusted Error (Note 1)
±1/2
LSB
Reference Resistance
1
4
k
Ω
V
REF
+ Input Voltage Range
V
REF
-
V
DD
V
V
REF
- Input Voltage Range
GND
V
REF
+
V
Resolution
8
Bits
Output Voltage
REF OUT
2.47
2.50
2.53
V
Load Regulation
-6
-10
mV
Power-Supply Sensitivity
±1
±3
mV
40
70
40
70
Temperature Drift (Note 3)
60
100
ppm/°C
CONDITIONS
T
A
= +25°C
I
L
= 0mA to 10mA, T
A
= +25°C
MAX15_A, MX782_L/C/U
V
DD
±5%, T
A
= +25°C
MAX15_C
MAX15_E
MAX15_M
ACCURACY
REFERENCE INPUT
REFERENCE OUTPUT—MAX154/MAX158 Only (Note 2)
ANALOG INPUT
LOGIC INPUTS (
–
R
—
D
–
,
–
C
—
S
–
, A0, A1, A2)