ADADC80
Rev. E | Page 3 of 16
SPECIFICATIONS
Typical @ 25°C, ±15 V, and +5 V, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit
RESOLUTION 12 Bits
ANALOG INPUTS
Voltage Ranges
Bipolar ±2.5 or ±5 or ±10 V
Unipolar 0 to +5 or 0 to +10 V
Impedance (Direct Input)
0 to +5, ±2.5 V 2.5 kΩ
0 to +10, ±5 V 5 kΩ
±10 V 10 kΩ
DIGITAL INPUTS
1
Positive Pulse During Conversion (CONVERT
START)
100 ns
Logic Loading 1 TTL load
External Clock (EXTERNAL CLOCK IN) 1 TTL load
TRANSFER CHARACTERISTICS ERROR
Gain Error
2
±0.1 % of FSR
3
Offset
2
Bipolar ±0.1 % of FSR
Unipolar ±0.05 % of FSR
Linearity Error
4
±0.012 % of FSR
Inherent Quantization Error ±½ LSB
Differential Linearity Error ±½ LSB
No Missing Codes Temperature Range −25 +85 °C
Power Supply Sensitivity
±15 V ±0.0030 % of FSR/% V
S
+5 V ±0.0015 % of FSR/% V
S
DRIFT
Specification Temperature Range
5
−25 +85 °C
Gain ±30 ppm/°C
Offset
Bipolar ±15 ppm of FSR/°C
Unipolar ±3 ppm of FSR/°C
Linearity ±3 ppm of FSR/°C
Monotonicity Guaranteed
CONVERSION SPEED
6
17 22 25 μs
DIGITAL OUTPUTS (ALL CODES COMPLEMENTARY)
Parallel, BIT 1 (MSB) to BIT 12 (LSB)
Output Codes
7
Bipolar COB, CTC
Unipolar CSB
Output Drive 2 TTL loads
Status (STATUS) Logic 1 during conversion
Status Output Drive 2 TTL loads
Internal Clock (CLOCK OUT)
Clock Output Drive 2 TTL loads
Frequency
8
575 kHz