SPECIFICATIONS
ELECTRICAL
At +25°C, +VDD = +12V or +15V, VREF = +10V, VPIN 1 = VPIN 2 = 0V, unless otherwise specified.
DAC7541A
(1)
PARAMETER
GRADE
TA = +25°C TA = TMAX, TMIN
UNITS
TEST CONDITIONS/COMMENTS
ACCURACY
Resolution
Relative Accuracy
All
J
K
J
K
J
K
12
±1
±1/2
±1
±1/2
±6
±1
12
±1
±1/2
±1
±1/2
±8
±3
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
±1LSB = ±0.024% of FSR.
±1/2LSB = ±0.012% of FSR.
All grades guaranteed monotonic to 12 bits,
TMIN to TMAX.
Measured using internal RFB and includes effect
of leakage current and gain T.C.
Gain error can be trimmed to zero.
Differential Non-linearity
Gain Error
Gain Temperature Coefficient
(∆Gain/∆Temperature)
Output Leakage Current: Out1 (Pin 1)
Out2 (Pin 2)
ALL
J, K
J, K
5
±10
±10
ppm/°C max
nA max
nA max
Typical value is 2ppm/°C.
All digital inputs = 0V.
All digital inputs = VDD.
±5
±5
REFERENCE INPUT
Voltage (Pin 17 to GND)
Input Resistance (Pin 17 to GND)
All
All
–10/+10
7-18
–10/+10
7-18
V min/max
kΩ min/max
Typical input resistance = 11kΩ.
Typical input resistance temperature coefficient is
–50ppm/°C.
DIGITAL INPUTS
V
V
IN (Input HIGH Voltage)
IL (Input LOW Voltage)
All
All
All
2.4
0.8
±1
2.4
0.8
±1
V min
V max
µA max
I
IN (Input Current)
Logic inputs are MOS gates.
I
IN typ (25°C) = 1nA
C
IN (Input Capacitance)(2)
All
All
All
8
8
pF max
VIN = 0V
POWER SUPPLY REJECTION
∆Gain/∆VDD
±0.01
±0.02
% per % max
VDD = +11.4V to +16V
POWER SUPPLY
VDD Range
+5 to +16
+5 to +16
V min to
V max
Accuracy is not guaranteed over this range.
IDD
All
All
2
100
2
500
mA max
µA max
All digital inputs VIL or VIN
All digital inputs 0V or VDD.
.
NOTES: (1) Temperature ranges are: = 0°C to + 70°C for JP, KP, JU and KU versions. (2) Guaranteed by design but not production tested.
AC PERFORMANCE CHARACTERISTICS
These characteristics are included for design guidance only and are not production tested.
VDD = +15V, VREF = +10V except where stated, VPIN 1 = VPIN 2 = 0V, output amp is OPA606 except where stated.
DAC7541A
(1)
PARAMETER
GRADE
TA = +25°C TA = TMAX, TMIN
UNITS
TEST CONDITIONS/COMMENTS
PROPAGATION DELAY
(from Digital Input change to 90% of
final Analog Output)
Out1 Load = 100Ω, CEXT = 13pF.
Digital Inputs = 0V to VDD or VDD to 0V.
All
All
100
—
—
ns typ
DIGITAL-TO-ANALOG GLITCH
IMPULSE
VREF = 0V, all digital inputs 0V to VDD or VDD to
0V. Measured using OPA606 as output amplifier.
1000
nV-s typ
MULTIPLYING FEEDTHROUGH
ERROR
(VREF to Out1)
All
1.0
—
mVp-p max
VREF = ±10V, 10kHz sine wave.
OUTPUT CURRENT SETTLING TIME
All
All
0.6
1.0
—
—
µs typ
To 0.01% of Full Scale Range.
Out1 Load = 100Ω, CEXT = 13pF.
Digital Inputs: 0V to VDD or VDD to 0V.
µs max
OUTPUT CAPACITANCE
COUT 1 (Pin 1)
COUT 2 (Pin 2)
COUT 1 (Pin 1)
COUT 2 (Pin 2)
All
All
All
All
100
60
70
100
60
70
pF max
pF max
pF max
pF max
Digital Inputs = VIH
Digital Inputs = VIH
Digital Inputs = VIL
Digital Inputs = VIL
100
100
NOTE: (1) Temperature ranges are: = 0°C to + 70°C for JP, KP, JU and KU versions.
®
2
DAC7541A
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