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ADADC71JD

P1-P3P4-P6P7-P9P10-P12P13-P13
ADADC71
Rev. C | Page 3 of 12
SPECIFICATIONS
Typical at T
A
=+25
o
C, V
S
= ±15 V, +5 V unless otherwise noted.
Table 1.
Parameter Min Typ Max Units Comment
RESOLUTION 16 Bits
ANALOG INPUTS
Voltage Ranges
Bipolar
±2.5 V
±5 V
±10 V
Unipolar
0 to +5 V
0 to +10 V
0 to +20 V
Impedance (Direct Input)
0 to ±5 V, ±2.5 V
1.88 KΩ
0 to ±10 V, ±5.0 V
3.75 KΩ
0 to ±20 V, ±10 V
7.50 KΩ
DIGITAL INPUTS
1
Convert command
Trailing edge of positive 50 ns (min) pulse
initiates conversion
Logic Loading
1 LSTTL Load
TRANSFER CHARACTERISTICS
ACCURACY
Gain Error ±0.1
2
±0.2 %
Offset Error
Unipolar ±0.05
2
±0.1 % of FSR
3
Bipolar ±0.1
2
±0.2 % of FSR
Linearity Error ±0.006 % of FSR J Grade
±0.003 % of FSR K Grade
Inherent Quantization Error ±1/2 LSB
Differential Linearity Error ±0.003 % of FSR
No Missing Codes @ 25
o
C
4
to 14 bits Guaranteed K Grade
POWER SUPPLY SENSITIVITY
±15 V dc 0.003 % of FSR/%ΔV
s
+5 V dc 0.001 % of FSR/%ΔV
s
CONVERSION TIME
5
(14 BITS) 35 50 μs
WARM-UP TIME 5 Minutes
DRIFT
Gain ±15 ppm/
o
C
Offset
Unipolar ±2 ±4 ppm of FSR/
o
C
Bipolar ±10 ppm of FSR/
o
C
Linearity ±2 ±3 ppm of FSR/
o
C
Guaranteed No Missing Code
Temperature Range
4
0 to 70
o
C JD (13 bits), KD (14 bits)
ADADC71
Rev. C | Page 4 of 12
Parameter Min Typ Max Units Comment
DIGITAL OUTPUT
1
All codes complementary
Parallel Output Codes
6
Unipolar CSB
Bipolar COB, CTC
7
Output Drive 5 LSTTL Loads
Status Logic 1 during conversion
Status Output Drive 5 LSTTL Loads
Internal Clock
Clock Output Drive 5 LSTTL Loads
Frequency 400 kHz
INTERNAL REFERENCE VOLTAGE 6.3 V dc
Error ±5 %
Max External Current Drain with No
Degradation of Specifications
±200 μA
Temperature Coefficient ±10 ppm/
o
C
POWER SUPPLY REQUIREMENTS
Power Consumption 645 850 mW
Rated Voltage, Analog ±15 ±0.5 V dc
Rated Voltage, Digital ±5 ±0.25 V dc
Supply Drain +15 V dc +16 mA
Supply Drain −15 V dc −21 mA
Supply Drain +5 V dc +18 mA
TEMPERATURE RANGE
Specification 0 to +70 °C
Operating (Derated Specs) −25 to +85 °C
Storage −55 to +125 °C
1
For inputs Logic 0 = 0.8 V, max. Logic 1 = 2.0 V, min. For digital outputs Logic 0 = 0.4 V max. Logic 1 = 2.4 V min.
2
Adjustable to 0.
3
Full scale range.
4
For definition of “No Missing Codes,” refer to the Theory of Operation section.
5
Conversion time may be shortened with short cycle set for lower resolution.
6
CSB—Complementary straight binary. COB— Complementary offset binary, CTC—Complementary twos complement.
7
CTC coding obtained by inverting MSB (Pin 1).
ADADC71
Rev. C | Page 5 of 12
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 25, Pin 24) ±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
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
P1-P3P4-P6P7-P9P10-P12P13-P13

ADADC71JD

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Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC High Resolution 16B
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