ADADC80
Rev. E | Page 3 of 16
SPECIFICATIONS
Typical @ 25°C, ±15 V, and +5 V, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit
RESOLUTION 12 Bits
ANALOG INPUTS
Voltage Ranges
Bipolar ±2.5 or ±5 or ±10 V
Unipolar 0 to +5 or 0 to +10 V
Impedance (Direct Input)
0 to +5, ±2.5 V 2.5
0 to +10, ±5 V 5
±10 V 10
DIGITAL INPUTS
1
Positive Pulse During Conversion (CONVERT
START)
100 ns
Logic Loading 1 TTL load
External Clock (EXTERNAL CLOCK IN) 1 TTL load
TRANSFER CHARACTERISTICS ERROR
Gain Error
2
±0.1 % of FSR
3
Offset
2
Bipolar ±0.1 % of FSR
Unipolar ±0.05 % of FSR
Linearity Error
4
±0.012 % of FSR
Inherent Quantization Error ±½ LSB
Differential Linearity Error ±½ LSB
No Missing Codes Temperature Range −25 +85 °C
Power Supply Sensitivity
±15 V ±0.0030 % of FSR/% V
S
+5 V ±0.0015 % of FSR/% V
S
DRIFT
Specification Temperature Range
5
−25 +85 °C
Gain ±30 ppm/°C
Offset
Bipolar ±15 ppm of FSRC
Unipolar ±3 ppm of FSR/°C
Linearity ±3 ppm of FSR/°C
Monotonicity Guaranteed
CONVERSION SPEED
6
17 22 25 μs
DIGITAL OUTPUTS (ALL CODES COMPLEMENTARY)
Parallel, BIT 1 (MSB) to BIT 12 (LSB)
Output Codes
7
Bipolar COB, CTC
Unipolar CSB
Output Drive 2 TTL loads
Status (STATUS) Logic 1 during conversion
Status Output Drive 2 TTL loads
Internal Clock (CLOCK OUT)
Clock Output Drive 2 TTL loads
Frequency
8
575 kHz
ADADC80
Rev. E | Page 4 of 16
Parameter Min Typ Max Unit
INTERNAL REFERENCE VOLTAGE
+6.3 V ±10 ± mV
Maximum External Current
(With No Degradation of Specifications) 1.5 mA
Temperature Coefficient of Drift
5
±10 ±20 ppm/°C
POWER REQUIREMENTS
Rated Voltages ±15, +5 V
Range for Rated Accuracy
5
+5 V +4.75 +5.25 V
±15 V ±14.0 ±16.0 V
“Z” Models
5, 9
+5 V +4.75 +5.25 V
±15 V ±11.4 ±16.0 V
Supply Drain
+15 V +10 mA
−15 V −20 mA
+5 V +70 mA
TEMPERATURE RANGE
Specification −25 +85 °C
Operating (Derated Specifications) −55 +100 °C
Storage −55 +125 °C
1
DTL/TTL compatible, that is, Logic 0 = 0.8 V maximum and Logic 1 = 2.0 V minimum for digital inputs, Logic 0 = 0.4 V maximum and Logic 1 = 2.4 V minimum for digital outputs.
2
Adjustable to zero with external trimpots.
3
FSR means full-scale range, that is, unit connected for ±10 V range has +20 V FSR.
4
Error shown is the same as ±½ LSB maximum for resolution of analog-to-digital converter.
5
Guaranteed by design. Not production tested.
6
Conversion time with internal clock.
7
See Table 4. Complementary offset binary is COB, complementary straight binary is CSB, and complementary twos complement is CTC.
8
For conversion speeds specified.
9
For “Z” models, order ADADC80-Z-12.
ADADC80
Rev. E | Page 5 of 16
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
Supply Voltage ±18 V
Logic Supply Voltage 7 V
Analog Ground to Digital Ground ±0.3 V
Analog Inputs (Pin 13, Pin 14) ±V
S
Digital Input −0.3 V to V
DD
+ 0.3 V
Junction Temperature 175°C
Storage Temperature 150°C
Lead Temperature (Soldering, 10 sec) 300°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION

ADADC80-Z-12

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC Successive-Approx 12-Bit
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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