Datasheet

REV. B
–2–
ADDAC80/ADDAC85/ADDAC87–SPECIFICATIONS
ADDAC80 ADDAC85 ADDAC87
Model Min Typ Max Min Typ Max Min Typ Max Unit
TECHNOLOGY Monolithic Monolithic Monolithic
DIGITAL INPUT
Binary–CBI 12 12 12 Bits
BCD–CCD Digits
Logic Levels (TTL Compatible)
V
IH
(Logic “1”) 2.0 5.5 2.0 5.5 2.0 5.5 V
V
IL
(Logic “0”) 0 0.8 0 0.8 0 0.8 V
I
IH
(V
IH
= 5.5 V) 250 250 250 µA
I
IL
(V
IL
= 0.8 V) 100 100 100 µA
TRANSFER CHARACTERISTICS
ACCURACY
Linearity Error @ 25°C
CBI ±1/2 ±1/2 ± 1/2 LSB
1
CCD LSB
T
A
@ T
MIN
to T
MAX
±1/4 ± 1/2 ±1/4 ± 1/2 ±1/2 ± 3/4 LSB
Differential Linearity Error @ 25°C
CBI ± 3/4 ± 3/4 ± 3/4 LSB
CCD LSB
T
A
@ T
MIN
to T
MAX
± 3/4 ± 1 ± 1 LSB
Gain Error
2
±0.1 ± 0.3 ±0.1 ± 0.2 ±0.1 ± 0.2 %FSR
3
Offset Error
2
±0.05 ± 0.15 ±0.05 ± 0.1 ±0.05 ± 0.1 %FSR
3
Temperature Range for Guaranteed
Monotonicity 0 +70 –25 +85 –55 +125 °C
DRIFT (T
MIN
to T
MAX
)
Total Bipolar Drift, max (includes gain,
offset, and linearity drifts) ±20 ±20 ±30 ppm of FSR/°C
Total Error (T
MIN
to T
MAX
)
4
Unipolar ±0.08 ±0.15 ±0.12 ±0.2 ±0.18 ±0.3 % of FSR
Bipolar ±0.06 ±0.10 ±0.08 ±0.12 ±0.14 ±0.24 % of FSR
Gain Including Internal Reference ±15 ± 30 ± 20 ± 20 ppm of FSR/°C
Gain Excluding Internal Reference ±4 ±7 ±10 ±10 ppm of FSR/°C
Unipolar Offset ±1 ± 3 ± 3 ± 3 ppm of FSR/°C
Bipolar Offset ±5 ± 10 ± 10 ± 10 ppm of FSR/°C
CONVERSION SPEED
Voltage Model (V)
5
Settling Time to ±0.01% of FSR for
FSR Change (2 kΩ储500 pF load)
with 10 kΩ Feedback 3 4 3 4 3 4 µs
with 5 kΩ Feedback 2 3 2 3 2 3 µs
For LSB Change 1 1 1 µs
Slew Rate 10 10 10 V/µs
ANALOG OUTPUT
Voltage Models
Ranges–CBI ±2.5, ±5, ±2.5, ±5, ±2.5, ±5, V
±10, +5, ±10, +5, ±10, +5, V
10 10 10 V
–CCD V
Output Current ±5 ±5 ±5mA
Output Impedance (dc) 0.05 0.05 0.05 Ω
Short Circuit Current 40 40 40 mA
Internal Reference Voltage (V
R
) 6.23 6.3 6.37 6.23 6.3 6.37 6.23 6.3 6.37 V
Output Impedance 1.5 1.5 1.5 Ω
Max External Current
6
2.5 2.5 2.5 mA
Tempco of Drift ±10 ±20 ±10 ±20 ±10 ppm of V
R
/°C
POWER SUPPLY SENSITIVITY
±15 V ± 10%, 5 V supply when applicable 0.002 0.002 0.002 % of FSR/%V
S
±12 V ± 5% 0.002 0.002 0.002 % of FSR/%V
S
POWER SUPPLY REQUIREMENTS
Rated Voltages ±15 ±15 ±15 V
Range
Analog Supplies ±11.4
7
±16.5 ±11.4
7
±16.5 ±11.4
7
±16.5 V
Logic Supplies V
Supply Drain
+12 V, +15 V 5 10 5 10 5 10 mA
–12 V, –15 V 14 20 14 20 14 20 mA
(T
A
= 25C, rated power supplies
unless otherwise noted.)