AD574A
Model
RESOLUTION
LINEARITY ERROR @ +25°C
T
MIN
to T
MAX
DIFFERENTIAL LINEARITY ERROR
(Minimum Resolution for Which No
Missing Codes are Guaranteed)
T
MIN
to T
MAX
UNIPOLAR OFFSET (Adjustable to Zero)
BIPOLAR OFFSET (Adjustable to Zero)
FULL-SCALE CALIBRATION ERROR
(With Fixed 50
Ω
Resistor from REF OUT to REF IN)
(Adjustable to Zero)
TEMPERATURE RANGE
TEMPERATURE COEFFICIENTS
(Using Internal Reference)
(T
MIN
to T
MAX
)
Unipolar Offset
Bipolar Offset
Full-Scale Calibration
POWER SUPPLY REJECTION
Max Change in Full-Scale Calibration
V
CC
= 15 V
±
1.5 V or 12 V
±
0.6 V
V
LOGIC
= 5 V
±
0.5 V
V
EE
= –15 V
±
1.5 V or –12 V
±
0.6 V
ANALOG INPUT
Input Ranges
Bipolar
Unipolar
Input Impedance
10 Volt Span
20 Volt Span
DIGITAL CHARACTERISTICS
1
(T
MIN
–T
MAX
)
Inputs
2
(CE,
CS,
R/C, A
0
)
Logic “1” Voltage
Logic “0” Voltage
Current
Capacitance
Output (DB11–DB0, STS)
Logic “1” Voltage (I
SOURCE
≤
500
µA)
Logic “0” Voltage (I
SINK
≤
1.6 mA)
Leakage (DB11–DB0, High-Z State)
Capacitance
POWER SUPPLIES
Operating Range
V
LOGIC
V
CC
V
EE
Operating Current
I
LOGIC
I
CC
I
EE
POWER DISSIPATION
INTERNAL REFERENCE VOLTAGE
Output Current (Available for External Loads)
3
(External Load Should not Change During Conversion)
PACKAGE OPTION
4
Ceramic (D-28)
1
Min
AD574AS
Typ
Max
12
±
1
±
1
Min
AD574AT
Typ
Max
12
±
1/2
±
1
Min
AD574AU
Typ Max
12
±
1/2
±
1
Units
Bits
LSB
LSB
11
±
2
±
4
12
±
1
±
4
12
±
1
±
2
Bits
LSB
LSB
0.25
–55
+125
–55
0.25
+125
–55
0.125
+125
% of FS
°C
±
2 (5)
±
4 (10)
±
20 (50)
±
1 (2.5)
±
2 (5)
±
10 (25)
±
1 (2.5) LSB (ppm/°C)
±
1 (2.5) LSB (ppm/°C)
±
5 (12.5) LSB (ppm/°C)
±
2
±
1/2
±
2
±
1
±
1/2
±
1
±
1
±
1/2
±
1
LSB
LSB
LSB
–5
–10
0
0
3
6
5
10
+5
+10
+10
+20
7
14
–5
–10
0
0
3
6
5
10
+5
+10
+10
+20
7
14
–5
–10
0
0
3
6
5
10
+5
+10
+10
+20
7
14
Volts
Volts
Volts
Volts
kΩ
kΩ
+2.0
–0.5
–20
5
+2.4
–20
5
+5.5
+0.8
+20
+2.0
–0.5
–20
5
+2.4
+5.5
+0.8
+20
+2.0
–0.5
–20
5
+2.4
+5.5
+0.8
+20
Volts
Volts
µA
pF
Volts
Volts
µA
pF
+0.4
+20
–20
5
+0.4
+20
–20
5
+0.4
+20
+4.5
+11.4
–11.4
30
2
18
390
9.98
10.0
+5.5
+16.5
–16.5
40
5
30
725
10.02
1.5
+4.5
+11.4
–11.4
30
2
18
390
9.98
10.0
+5.5
+16.5
–16.5
40
5
30
725
10.02
1.5
+4.5
+11.4
–11.4
30
2
18
390
9.99
+5.5
+16.5
–16.5
40
5
30
725
Volts
Volts
Volts
mA
mA
mA
mW
Volts
mA
10.0 10.01
1.5
AD574ASD
AD574ATD
AD574AUD
NOTES
Detailed Timing Specifications appear in the Timing Section.
2
12/8 Input is not TTL-compatible and must be hard wired to V
LOGIC
or Digital Common.
3
The reference should be buffered for operation on
±
12 V supplies.
4
D = Ceramic DIP.
Specifications subject to change without notice.
REV. B
–3–
AD [ ANALOG DEVICES ]
