adadc85 Analog Devices, Inc., adadc85 Datasheet - Page 3

• Manufacturer Part Number: adadc85
• Description: Fast, Complete 12-bit A/d Converters
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
Table 1. Typical @ 25°C, ±15 V and +5 V, unless otherwise noted
Model
RESOLUTION
ANALOG INPUTS
DIGITAL INPUTS
TRANSFER CHARACTERISTICS ERROR
DRIFT
CONVERSION SPEED (MAX)
Voltage Ranges
Impedance (Direct Input)
Buffer Amplifier
Convert Command
Logic Loading
Gain Error
Offset Error
Linearity Error (max)
Inherent Quantization Error
Differential Linearity Error
No Missing Codes
Power Supply Sensitivity
Specification Temperature Range
Gain (Max)
Offset
Linearity
Monotonicity
Bipolar
Unipolar
0 V to +5 V, ±2.5 V
0 V to +10 V, ±5 V
±10 V
Impedance (Min)
Bias Current
Settling Time
Unipolar
Bipolar
Temperature Range
±15 V
+5 V
Unipolar
Bipolar (Max)
to 0.01% for 20 V Step
5
3
3
2
5
1
6
AD ADC84
12
±2.5, ±5, ±10
0 to +5, 0 to +10
2.5 (±20%)
5 (±20%)
10 (±20%)
100
50
2
Positive Pulse 100 ns Min Trailing
Edge Initiates Conversion
1
±0.1 (±0.25% max)
Adjustable to Zero
±0.05 (±0.2% max)
±0.1 (±0.25% max)
±0.012
±0.5
±0.5
0 to +70
±0.004
±0.001
0 to +70
±30
±3
±15
±3
Guaranteed
10
Rev. B | Page 3 of 12
AD ADC85C
*
*
*
*
*
*
12
*
*
*
*
*
*
*
*
*
*
*
*
*
*
0 to +70
*
*
*
±25
*
±12
AD ADC85
12
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
–25 to +85
*
*
–25 to +85
±15
*
±7
±2
*
*
AD ADC85S
12
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
–55 to +125
*
*
–55 to +125
±25
±5 max
±10
*
*
*
AD ADC84/AD ADC85
Unit
Bits
V
V
kΩ
kΩ
kΩ
MΩ
nA
µs
TTL Load
%
% of FSR
% of FSR
% of FSR
LSB
LSB
°C
% of FSR/% V
% of FSR/% V
°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
µs
4