AD7541A–SPECIFICATIONS
(V
Parameter
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Gain Error
Version
T
A
=
+25 C
All
J, A, S
K, B, T
J, A, S
K, B, T
J, A, S
K, B, T
12
±
1
±
1/2
±
1
±
1/2
±
6
±
3
DD
= +15 V, V
REF
= +10 V; OUT 1 = OUT 2 = GND = 0 V unless otherwise noted)
T
A
=
T
MIN,
T
MAX1
Units
Test Conditions/Comments
12
±
1
±
1/2
±
1
±
1/2
±
8
±
5
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
±
1 LSB =
±0.024%
of Full Scale
±
1/2 LSB =
±
0.012% of Full Scale
All Grades Guaranteed Monotonic
to 12 Bits, T
MIN
to T
MAX
.
Measured Using Internal R
FB
and Includes
Effect of Leakage Current and Gain TC.
Gain Error Can Be Trimmed to Zero.
Typical Value Is 2 ppm/°C.
All Digital Inputs = 0 V.
Gain Temperature Coefficient
2
Gain/ Temperature
Output Leakage Current
OUT1 (Pin 1)
All
J, K
A, B
S, T
J, K
A, B
S, T
All
5
±
5
±
5
±
5
±
5
±
5
±
5
7–18
5
±
10
±
10
±
200
±
10
±
10
±
200
7–18
ppm/°C max
nA max
nA max
nA max
nA max
nA max
nA max
kΩ min/max
OUT2 (Pin 2)
All Digital Inputs = V
DD
.
REFERENCE INPUT
Input Resistance (Pin 17 to GND)
Typical Input Resistance = 11 kΩ.
Typical Input Resistance Temperature
Coefficient = –300 ppm/°C.
DIGITAL INPUTS
V
IH
(Input HIGH Voltage)
V
IL
(Input LOW Voltage)
I
IN
(Input Current)
C
IN
(Input Capacitance)
2
POWER SUPPLY REJECTION
Gain/ V
DD
POWER SUPPLY
V
DD
Range
I
DD
All
All
All
All
All
All
All
2.4
0.8
±
1
8
±
0.01
+5 to +16
2
100
2.4
0.8
±
1
8
±
0.02
+5 to +16
2
500
V min
V max
µA
max
pF max
% per % max
V min/V max
mA max
µA
max
Logic Inputs Are MOS Gates. I
IN
typ (25°C) = 1 nA.
V
IN
= 0 V
V
DD
=
±
5%
Accuracy Is Not Guaranteed Over This Range.
All Digital Inputs V
IL
or V
IH
.
All Digital Inputs 0 V or V
DD
.
AC PERFORMANCE CHARACTERISTICS
These Characteristics are included for Design Guidance only and are not subject to test. V
DD
= +15 V, V
IN
= +10 V except where noted,
OUT1 = 0UT2 = GND = 0 V, Output Amp is AD544 except where noted.
Parameter
PROPAGATION DELAY (From Digital Input
Change to 90% of Final Analog Output)
DIGITAL TO ANALOG GLITCH
IMPULSE
All
MULTIPLYING FEEDTHROUGH ERROR
3
(V
REF
to OUT1)
OUTPUT CURRENT SETTLING TIME
All
All
1000
1.0
0.6
—
—
—
nV-sec typ
mV p-p typ
µs
typ
Version
1
T
A
=
+25 C
T
A
=
T
MIN,
T
MAX1
Units
Test Conditions/Comments
OUT 1 Load = 100
Ω,
C
EXT
= 13 pF.
Digital Inputs = 0 V to V
DD
or V
DD
to 0 V.
V
REF
= 0 V. All digital inputs 0 V to V
DD
or
V
DD
to 0 V.
Measured using Model 50K as output amplifier.
V
REF
=
±
10 V, 10 kHz sine wave.
To 0.01% of full-scale range.
OUT 1 Load = 100
Ω,
C
EXT
= 13 pF.
Digital Inputs = 0 V to V
DD
or V
DD
to 0 V.
Digital Inputs
= V
IH
Digital Inputs
= V
IL
All
100
—
ns typ
OUTPUT CAPACITANCE
C
OUT1
(Pin 1)
C
OUT2
(Pin 2)
C
OUT1
(Pin 1)
C
OUT2
(Pin 2)
All
All
All
All
200
70
70
200
200
70
70
200
pF max
pF max
pF max
pF max
NOTES
1
Temperature range as follows: J, K versions, 0°C to +70°C; A, B versions, –25°C to +85°C; S, T versions, –55°C to +125°C.
2
Guaranteed by design but not production tested.
3
To minimize feedthrough in the ceramic package (Suffix D) the user must ground the metal lid.
Specifications subject to change without notice.
–2–
REV. B
AD [ ANALOG DEVICES ]
