Datasheet

AD1674–SPECIFICATIONS
DC SPECIFICATIONS
AD1674J AD1674K
Parameter Min Typ Max Min Typ Max Unit
RESOLUTION 12 12 Bits
INTEGRAL NONLINEARITY (INL) ±1 ±1/2 LSB
DIFFERENTIAL NONLINEARITY (DNL)
(No Missing Codes) 12 12 Bits
UNIPOLAR OFFSET
1
@ +25°C ±3 ±2 LSB
BIPOLAR OFFSET
1
@ +25°C ±6 ±4 LSB
FULL-SCALE ERROR
1, 2
@ +25°C
(with Fixed 50 Ω Resistor from REF OUT to REF IN) 0.1 0.25 0.1 0.25 % of FSR
TEMPERATURE RANGE 0 +70 0 +70 °C
TEMPERATURE DRIFT
3
Unipolar Offset
2
±2 ±1 LSB
Bipolar Offset
2
±2 ±1 LSB
Full-Scale Error
2
±6 ±3 LSB
POWER SUPPLY REJECTION
V
CC
= 15 V ± 1.5 V or 12 V ± 0.6 V ±2 ±1 LSB
V
LOGIC
= 5 V ± 0.5 V ±1/2 ±1/2 LSB
V
EE
= –15 V ± 1.5 V or –12 V ± 0.6 V ±2 ±1 LSB
ANALOG INPUT
Input Ranges
Bipolar –5 +5 –5 +5 Volts
–10 +10 –10 +10 Volts
Unipolar 0 +10 0 +10 Volts
0 +20 0 +20 Volts
Input Impedance
10 Volt Span 357357 kΩ
20 Volt Span 6 10 14 6 10 14 kΩ
POWER SUPPLIES
Operating Voltages
V
LOGIC
+4.5 +5.5 +4.5 +5.5 Volts
V
CC
+11.4 +16.5 +11.4 +16.5 Volts
V
EE
–16.5 –11.4 –16.5 –11.4 Volts
Operating Current
I
LOGIC
58 58 mA
I
CC
10 14 10 14 mA
I
EE
14 18 14 18 mA
POWER DISSIPATION 385 575 385 575 mW
INTERNAL REFERENCE VOLTAGE 9.9 10.0 10.1 9.9 10.0 10.1 Volts
Output Current (Available for External Loads)
4
2.0 2.0 mA
(External Load Should Not Change During Conversion
NOTES
1
Adjustable to zero.
2
Includes internal voltage reference error.
3
Maximum change from 25°C value to the value at T
MIN
or T
MAX
.
4
Reference should be buffered for ±12 V operation.
All min and max specifications are guaranteed.
Specifications subject to change without notice.
REV. C
–2–
(T
MIN
to T
MAX
, V
CC
= +15 V 6 10% or +12 V 6 5%, V
LOGIC
= +5 V 6 10%, V
EE
= –15 V 6 10% or
–12 V 6 5% unless otherwise noted)