SPECIFICATIONS
At +25°C, rated power supplies, 1.5µs conversion time, and after 6-minute warm-up, unless otherwise noted.
ADC803CM
TYP
ADC803BM
TYP
ADC803SM
TYP
PARAMETER
RESOLUTION
INPUTS
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
12
12
12
Bits
ANALOG
Voltage Ranges: Bipolar
Unipolar
Impedance: –10V to 0V, ±5V
±10V
±5, ±10
0 to –10
1.4
*
*
*
*
*
*
*
*
V
V
kΩ
kΩ
2.4
DIGITAL
Convert Command
Logic Loading
Negative pulse 50ns wide (min) trailing edge (0 to 1) initiates conversion.
4
*
*
TTL Loads
TRANSFER CHARACTERISTICS
ACCURACY
Gain Error (1)
Offset Error(1):Unipolar
Bipolar
±0.04
±0.05
±0.02
±0.1
±0.2
±0.1
±0.08
±0.07
*
±0.2
±0.3
±0.2
±0.04
*
*
±0.1
*
*
%
% of FSR(2)
% of FSR
Linearity Error:
1.5µs Conversion Time
1.0µs Conversion Time
Differential Linearity Error:
1.5µs Conversion Time
1.0µs Conversion Time
Inherent Quantization Error
±0.009
±0.015
±0.012
±0.020
±0.020
±0.020
±0.012
±0.015
% of FSR
% of FSR
±0.020
±0.012
±0.015
±0.024
*
*
*
*
% of FSR
% of FSR
LSB
±0.024
*
1/2
POWER SUPPLY SENSITIVITY
Gain and Offset: +15VDC
–15VDC
+5VDC
Conversion Time: +15VDC
–15VDC
±0.0036
±0.0005
±0.001
±0.7
None
±0.8
*
*
*
*
*
*
*
*
*
*
*
*
% of FSR/%VCC
% of FSR/%VCC
% of FSR/%VDD
%/%VCC
%/%VCC
%/%VDD
+5VDC
CONVERSION TIME
Factory Set
Range of Adjustments
1.3
0.8
1.5
2.2
*
*
*
*
*
*
*
*
µs
µs
DRIFT
Gain
Offset: Unipolar
±10
±2
±3
±30
±7
±10
±15
±3
±5
*
*
*
*
*
*
*
*
*
ppm of FSR/°C
ppm of FSR/°C
ppm of FSR/°C
Bipolar
Linearity Error
–25°C to +85°C:
1.5µs Conversion Time
1.0µs Conversion Time
–55°C to +125°C:
1.7µs Conversion Time, max(4)
Differential Linearity Error
–25°C to +85°C:
1.5µs Conversion Time
1.0µs Conversion Time
–55°C to +125°C:
1.7µs Conversion Time, max(4)
Conversion Time
±0.012
±0.015
±0.018
±0.018
+85
±0.024
±0.024
*
*
*
% of FSR
% of FSR
±0.020
±0.015
±0.024
% of FSR
±0.012
±0.015
% of FSR
% of FSR
±0.024
±0.1
±0.015
*
±0.024
% of FSR
% of FSR
*
No Missing Code Temp. Range:
1.5µs Conversion Time
1.7µs Conversion Time, max(4)
–25
*
°C
°C
–55
+125
OUTPUT
DIGITAL DATA
Parallel
Output Codes: Unipolar
Bipolar
Complementary Straight Binary
*
*
*
*
Bipolar Offset Binary
Output Drive
Status
Status Output Drive
Internal Clock
Clock Output Drive
Frequency (without external clock adj.)
6
*
*
*
*
*
*
TTL Loads
TTL Loads
Logic “1” During Conversion
6
*
*
3
TTL Loads
MHz
8
*
*
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
2
ADC803
BB [ BURR-BROWN CORPORATION ]
