(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 kΩ
10 kΩ
5 kΩ
10 kΩ
5 kΩ
10 kΩ
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%
–15 V 10%
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
0.005%/%∆VS max
+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 µs
4.5 µs
3 µs
PARALLEL OUTPUTS
Unipolar Code
Bipolar Code
Binary
Binary
Binary
Offset Binary/Twos Complement
2 LSTTL Loads
Offset Binary/Twos Complement
2 LSTTL Loads
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
Binary/Complementary Binary
Offset Binary/Comp. Offset Binary
2 LSTTL Loads
Binary/Complementary Binary
Offset Binary/Comp. Offset Binary
2 LSTTL Loads
Output Drive
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
10.000 100 mV
12 ppm/°C, 20 ppm/°C max
1 mA max
10.000 100 mV
12 ppm/°C, 20 ppm/°C max
1 mA max
10.000 100 mV
12 ppm/°C, 20 ppm/°C max
1 mA max
External Current
POWER SUPPLY REQUIREMENTS8
Range for Rated Accuracy
+4.75 to +5.25 and 13.5 to 16.5 +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
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.
–2–
REV. C
ADI [ ADI ]
