SP8528DS/01
SP8528 Micropower Sampling 12-Bit A/D Converter
Copyright 2000 Sipex Corporation
2
OBSOLETE
-
HIST
ORICAL
REFERENCE
ONL
Y
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect
reliability.
(TA=+25C unless otherwise noted) .....................................................
VCC to GND ................................................................................. 7.0V
Vin to GND .............................................................. -0.3 to VCC +0.3V
Digital input to GND ................................................ -0.3 to VCC +0.3V
Digital output to GND .............................................. -0.3 to VCC +0.3V
Operating Temperature Range
Commercial (J, K Version) ........................................... 0C to 70C
Industrial (A, B Version) .......................................... -40C to +85C
Lead Temperature (Solder 10Sec) ............................................ +300C
Storage Temperature .................................................. -65C to +150C
Power Dissipation to 70C ........................................................ 500mW
SPECIFICATIONS
Unless otherwise noted the following specifications apply for VCC=5V or 3.3V with limits applicable for Tmin to Tmax. Typical applies for Ta=25C.
VCC=5.0V
VCC=3.3V
PARAMETERS
MIN. TYP. MAX. MIN. TYP. MAX.
UNITS
CONDITIONS
DC ACCURACY
Resolution
12
Bits
Integral Linearity
J,A
+0.6 +2.0
LSB
K,B
+0.6 +1.0
LSB
Differential Linearity Error
J,A
+0.75 +2.0
LSB
K,B
+0.75 +1.0
LSB
No Missing Codes
Gain Error
J,A
+2.0 +10
LSB
K,B
+2.0
+8
+2.0
+8
LSB
Offset Error
J,A
+1.5
+5
+3.0
+8
LSB
K,B
+1.5
+3
+3.0
+5
LSB
ANALOG INPUT
Input Signal FS Range
0
V
ref
0V
ref
Input Impedance
On Channel
20
pF
In Parallel with 100M
100
M
Off Channel
3
pF
In Parallel with 100M
100
M
Input Bias Current
.001
1
.001
1
A
Analog Input Range
-.05
V
CC+.05 -.05
V
CC+.05
Volts
CONVERSION SPEED
Sample Time
1.5
clock
See Timing Diagrams
cycles
Conversion Time
12
clock
See Timing Diagrams
cycles
Complete Cycle
33.2
22.2
kHz
See Timing Diagrams
Clock Period
2.0
3.0
S
See Timing Diagrams
Clock High Time
.9
1.4
S
See Timing Diagrams
Clock Low Time
.9
1.4
S
See Timing Diagrams