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DAC122S085 Datasheet(PDF) 4 Page - National Semiconductor

Part No. DAC122S085
Description  12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output
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Maker  NSC [National Semiconductor]
Homepage  http://www.national.com
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 4 page
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Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
A
6.5V
Voltage on any Input Pin
−0.3V to 6.5V
Input Current at Any Pin (Note 3)
10 mA
Package Input Current (Note 3)
20 mA
Power Consumption at T
A = 25˚C
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
2500V
250V
Soldering Temperature, Infrared,
10 Seconds (Note 6)
235˚C
Storage Temperature
−65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Operating Temperature Range
−40˚C
≤ T
A
≤ +105˚C
Supply Voltage, V
A
+2.7V to 5.5V
Reference Voltage, V
REFIN
+1.0V to V
A
Digital Input Voltage (Note 7)
0.0V to 5.5V
Output Load
0 to 1500 pF
SCLK Frequency
Up to 40 MHz
Package Thermal Resistances
Package
θ
JA
10-Lead MSOP
240˚C/W
Electrical Characteristics
Values shown in this table are design targets and are subject to change before product release. The following specifica-
tions apply for V
A = +2.7V to +5.5V, VREFIN =VA,CL = 200 pF to GND, fSCLK = 30 MHz, input code range 48 to 4047. Bold-
face limits apply for T
MIN
≤ T
A
≤ T
MAX and all other limits are at TA = 25˚C, unless otherwise specified.
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limits)
STATIC PERFORMANCE
Resolution
12
Bits (min)
Monotonicity
12
Bits (min)
INL
Integral Non-Linearity
±2.4
±8
LSB (max)
DNL
Differential Non-Linearity
V
A = 2.7V to 5.5V
+0.2
+0.7
LSB (max)
−0.1
−0.5
LSB (min)
V
A = 4.5V to 5.5V (Note 10)
±0.15
±0.5
LSB (max)
ZE
Zero Code Error
I
OUT =0
+4
+15
mV (max)
FSE
Full-Scale Error
I
OUT = 0
−0.1
−0.75
%FSR
(max)
GE
Gain Error
All ones Loaded to DAC register
−0.2
−1.0
%FSR
ZCED
Zero Code Error Drift
−20
µV/˚C
TC GE
Gain Error Tempco
V
A = 3V
−0.7
ppm/˚C
V
A = 5V
−1.0
ppm/˚C
OUTPUT CHARACTERISTICS
Output Voltage Range
0
V
REFIN
V (min)
V (max)
I
OZ
High-Impedance Output
Leakage Current (Note 10)
±1
µA (max)
ZCO
Zero Code Output
V
A = 3V, IOUT = 200 µA
1.3
mV
V
A = 3V, IOUT = 1 mA
6.0
mV
V
A = 5V, IOUT = 200 µA
7.0
mV
V
A = 5V, IOUT = 1 mA
10.0
mV
FSO
Full Scale Output
V
A = 3V, IOUT = 200 µA
2.984
V
V
A = 3V, IOUT = 1 mA
2.934
V
V
A = 5V, IOUT = 200 µA
4.989
V
V
A = 5V, IOUT = 1 mA
4.958
V
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