AD670BD AD [Analog Devices], AD670BD Datasheet - Page 2

• Manufacturer Part Number: AD670BD
• Description: Low Cost Signal Conditioning 8-Bit ADC
• Manufacturer: AD [Analog Devices]

AD670–SPECIFICATIONS
Model
OPERATING TEMPERATURE RANGE
RESOLUTION
CONVERSION TIME
RELATIVE ACCURACY
DIFFERENTIAL LINEARITY ERROR
GAIN ACCURACY
UNIPOLAR ZERO ERROR
BIPOLAR ZERO ERROR
ANALOG INPUT RANGES
BIAS CURRENT (255 mV RANGE)
OFFSET CURRENT (255 mV RANGE)
2.55 V RANGE INPUT RESISTANCE
2.55 V RANGE FULL-SCALE MATCH
COMMON-MODE REJECTION
COMMON-MODE REJECTION
POWER SUPPLY
DIGITAL OUTPUTS
THREE-STATE LEAKAGE CURRENT
OUTPUT CAPACITANCE
DIGITAL INPUT VOLTAGE
DIGITAL INPUT CURRENT
INPUT CAPACITANCE
NOTES
1
Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications
are guaranteed although only those shown in boldface are tested on all production units.
Specifications subject to change without notice.
Tested at V
T
T
@ +25 C
T
@ +25 C
T
@ +25 C
T
DIFFERENTIAL (–V
ABSOLUTE (Inputs to Power GND)
T
T
+ AND – INPUT
RATIO (255 mV RANGE)
RATIO (2.55 V RANGE)
Operating Range
Current I
Rejection Ratio T
SINK CURRENT (V
SOURCE CURRENT (V
V
V
(0
MIN
MIN
MIN
MIN
MIN
MIN
MIN
INL
INH
Low Range
High Range
Low Range T
High Range T
T
T
I
I
INL
INH
MIN
MIN
V
to T
to T
to T
to T
to T
to T
to T
IN
CC
to T
to T
CC
= 4 5 V, 5.0 V and 5.5 V.
MAX
MAX
MAX
MAX
MAX
MAX
MAX
+5 V)
MAX
MAX
MIN
MIN
MIN
to T
to T
to T
OUT
IN
to +V
MAX
MAX
OUT
MAX
= 0.4 V)
= 2.4 V)
IN
)
1
Min
0
8
–0.150
–1.50
8.0
4.5
1.6
0.5
2.0
–100
(@ V
CC
= +5 V and +25 C, unless otherwise noted)
AD670J
Typ
GUARANTEED NO MISSING CODES ALL GRADES
0 to +255
–128 to +127
0 to +2.55
–1.28 to +1.27
200
40
30
5
10
1/2
–2–
Max
+70
10
V
V
500
200
12.0
1
1
5.5
45
0.015
0.8
+100
CC
CC
1/2
l/2
1.5
2.0
1.5
2.0
1.5
2.0
40
– 3.4
Min
0
8
–0.150
–1.50
8.0
4.5
1.6
0.5
2.0
–100
AD670K
Typ
0 to +255
–128 to +127
0 to +2.55
–1.28 to +1.27
200
40
30
5
10
1/2
Max
+70
10
V
V
500
200
12.0
1
1
5.5
45
0.015
0.8
+100
CC
CC
1/4
1/2
0.75
1.0
0.75
1.0
0.75
1.0
40
– 3.4
Units
Bit
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
mV
mV
V
V
V
V
nA
nA
k
LSB
LSB
LSB
V
mA
% of FS/%
mA
mA
pF
V
V
pF
C
s
A
A
A
REV. A