(Typical @ 25؇C, ؎15 V and +5 V, unless otherwise noted.)
AD578/AD579–SPECIFICATIONS
Parameter
AD578J
AD578K
AD578L
RESOLUTION
12 Bits
12 Bits
12 Bits
ANALOG INPUTS
Voltage Ranges
Bipolar
±5.0 V, ±10 V
0 V to +10 V, 0 V to +20 V
±5.0 V, ±10 V
0 V to +10 V, 0 V to +20 V
±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
10 kW
5 kW
10 kW
5 kW
10 kW
DIGITAL INPUTS
Convert Command1
Clock Input
1 LSTTL Load
1 LSTTL Load
1 LSTTL Load
1 LSTTL Load
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
±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
±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
±3/4 LSB
±3/4 LSB
DIFFERENTIAL LINEARITY ERROR
(Minimum resolution for which no
missing codes are guaranteed)
25∞C
12 Bits
12 Bits
12 Bits
12 Bits
12 Bits
12 Bits
TMIN to TMAX
POWER SUPPLY SENSITIVITY
+15 V ±10%
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
0.005%/%DVS max
–15 V ±10%
+5 V ±10%
TEMPERATURE COEFFICIENTS
Gain
±15 ppm/∞C typ
±30 ppm/∞C max
±3 ppm/∞C typ
±10 ppm/∞C max
±8 ppm/∞C typ
±20 ppm/∞C max
±2 ppm/∞C typ
±15 ppm/∞C typ
±30 ppm/∞C max
±3 ppm/∞C typ
±10 ppm/∞C max
±8 ppm/∞C typ
±20 ppm/∞C max
±2 ppm/∞C typ
±15 ppm/∞C typ
±30 ppm/∞C max
±3 ppm/∞C typ
±10 ppm/∞C max
±8 ppm/∞C typ
±20 ppm/∞C max
±2 ppm/∞C typ
Unipolar Offset
Bipolar Offset
Differential Linearity
CONVERSION TIME5, 6, 7 (max)
6.0 ms
4.5 ms
3 ms
PARALLEL OUTPUTS
Unipolar Code
Bipolar Code
Binary
Binary
Binary
Offset Binary/Twos Complement
2 LSTTL Loads
Offset Binary/Twos Complement Offset Binary/Twos Complement
2 LSTTL Loads
Output Drive
2 LSTTL Loads
SERIAL OUTPUTS (NRZ FORMAT)
Unipolar Code
Bipolar Code
Binary/Complementary Binary
Offset Binary/Comp. Offset Binary
2 LSTTL Loads
Binary/Complementary Binary
Offset Binary/Comp. Offset Binary Offset Binary/Comp. Offset Binary
2 LSTTL Loads
Binary/Complementary Binary
Output Drive
2 LSTTL Loads
END OF CONVERSION (EOC)
Output Drive
Logic l During Conversion
8 LSTTL Loads
Logic l During Conversion
8 LSTTL Loads
Logic l During Conversion
8 LSTTL Loads
INTERNAL CLOCK7
Output Drive
2 LSTTL Loads
2 LSTTL Loads
2 LSTTL Loads
INTERNAL REFERENCE
Voltage
Drift
External Current
POWER SUPPLY REQUIREMENTS8
Range for Rated Accuracy
10.000 ±100 mV
10.000 ±100 mV
10.000 ±100 mV
±12 ppm/∞C, ±20 ppm/∞C max
±1 mA max
±12 ppm/∞C, ±20 ppm/∞C max
±1 mA max
±12 ppm/∞C, ±20 ppm/∞C max
±1 mA max
4.75 to 5.25 and ±13.5 to ±16.5
5 mA typ, 8 mA max
22 mA typ, 35 mA max
30 mA typ, 40 mA max
555 mW typ
4.75 to 5.25 and ±13.5 to ±16.5 4.75 to 5.25 and ±13.5 to ±16.5
Supply Current
+15 V
–15 V
+5 V
5 mA typ, 8 mA max
22 mA typ, 35 mA max
30 mA typ, 40 mA max
555 mW typ
5 mA typ, 8 mA max
22 mA typ, 35 mA max
30 mA typ, 40 mA max
555 mW typ
Power Dissipation
TEMPERATURE RANGE
Operating
Storage
0∞C to +70∞C
–65∞C to +150∞C
0∞C to +70∞C
–65∞C to +150∞C
0∞C to +70∞C
–65∞C to +150∞C
See page 3 for notes.
REV. B
–2–
ADI [ ADI ]
