AD578/AD579
Parameter
AD579TD9
RESOLUTION
10 Bits
ANALOG INPUTS
Voltage Ranges
Bipolar
±5.0 V, ±10 V
0 V to +10 V, 0 V to +20 V
Unipolar
Input Impedance
0 V to +10 V, ±5 V
±10 V, 0 V to +20 V
5 kW (±20%)
10 kW (±20%)
DIGITAL INPUTS
Convert Command1
Clock Input
1 LSTTL Load
1 LSTTL Load
TRANSFER CHARACTERISTICS
Gain Error2, 3
±0.1% FSR, ±0.25% FSR max
±0.1% FSR, ±0.25% FSR max
±0.1% FSR, ±0.25% FSR max
±1/2 LSB max
Unipolar Offset3
Bipolar Error3, 4
Linearity Error, 25∞C
TMIN to TMAX
±3/4 LSB
DIFFERENTIAL LINEARITY ERROR
(Minimum resolution for which no
missing codes are guaranteed)
25∞C
10 Bits
10 Bits
TMIN to TMAX
POWER SUPPLY SENSITIVITY
+15 V ± 10%
0.005%/%DVS max
0.005%/%DVS max
0.001%/%DVS max
–15 V ± 10%
+5 V ± 10%
Z Versions
+12 V ± 5%
–12 V ± 5%
0.007%/%DVS max
0.007%/%DVS max
TEMPERATURE COEFFICIENTS
Gain
±25 ppm/∞C typ
±40 ppm/∞C max
±5 ppm/∞C typ
±15 ppm/∞C max
±8 ppm/∞C typ
±20 ppm/∞C max
±2 ppm/∞C typ
Unipolar Offset
Bipolar Offset
Differential Linearity
CONVERSION TIME5, 6 (max)
TMIN to TMAX
1.8 ms
2.0 ms
PARALLEL OUTPUTS
Unipolar Code
Bipolar Code
Binary
Offset Binary/Twos Complement
2 LSTTL Loads
Output Drive
SERIAL OUTPUTS (NRZ FORMAT)
Unipolar Code
Bipolar Code
Binary/Complementary Binary
Offset Binary/Comp. Offset Binary
2 LSTTL Loads
Output Drive
END OF CONVERSION (EOC)
Output Drive
Logic 1 During Conversion
8 LSTTL Loads
INTERNAL CLOCK7
Output Drive
2 LSTTL Loads
INTERNAL REFERENCE
Voltage
Temperature Coefficient
External Current
10.000 ± 100 mV typ
±15 ppm/∞C
±1 mA max
POWER SUPPLY REQUIREMENTS
Range for Rated Accuracy
Z Models8
+4.75 to +5.25 and ±13.5 to ±16.5
+4.75 to +5.25 and ±11.4 to ±16.5
5 mA typ, 8 mA max
22 mA typ, 35 mA max
100 mA typ, 150 mA max
775 mW typ
Supply Current
+15 V
–15 V
+5 V
Power Dissipation
TEMPERATURE RANGE
Operating
Storage
–55∞C to +125∞C
–65∞C to +150∞C
NOTES (continued)
6Each grade is specified at the conversion speed shown.
7Externally adjustable by a resistor or capacitor. See Figure 8 for appropriate connections.
8For Z models, order AD579ZJN, AD579ZKN, or AD579ZTD.
9Available to MIL-STD-883, Level B. See ADI Military Products Databook for detailed specifications.
Specifications subject to change without notice.
REV. C
–5–
ADI [ ADI ]
