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DAC082S085 Datasheet(数据表) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件型号  DAC082S085
说明  8-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output
下载  19 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
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DAC082S085 Datasheet(HTML) 5 Page - National Semiconductor (TI)

 
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Electrical Characteristics (Continued)
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 3 to 252. Boldface
limits apply for T
MIN
≤ T
A
≤ T
MAX: all other limits TA = 25˚C, unless otherwise specified.
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
I
OS
Output Short Circuit Current
V
A = 3V, VOUT = 0V,
Input Code = FFh
-56
mA
V
A = 5V, VOUT = 0V,
Input Code = FFh
-69
mA
V
A = 3V, VOUT = 5V,
Input Code = 00h
52
mA
V
A = 5V, VOUT = 5V,
Input Code = 00h
75
mA
I
O
Continuous Output
Current (Note 10)
Avaliable on each DAC output
11
mA (max)
C
L
Maximum Load Capacitance
R
L =
1500
pF
R
L =2k
1500
pF
Z
OUT
DC Output Impedance
7.5
INPUT CHARACTERISTICS
VREFIN
Input Range Minimum
0.2
1.0
V (min)
Input Range Maximum
V
A
V (max)
Input Impedance
60
k
I
IN
Input Current (Note 10)
±1
µA (max)
V
IL
Input Low Voltage (Note 10)
V
A = 3V
0.9
0.6
V (max)
V
A = 5V
1.5
0.8
V (max)
V
IH
Input High Voltage (Note 10)
V
A = 3V
1.4
2.1
V (min)
V
A = 5V
2.1
2.4
V (min)
C
IN
Input Capacitance (Note 10)
3
pF (max)
POWER REQUIREMENTS
V
A
Supply Voltage Minimum
2.7
V (min)
Supply Voltage Maximum
5.5
V (max)
I
N
Normal Supply Current (output
unloaded)
f
SCLK =30MHz
V
A = 2.7V
to 3.6V
210
270
µA (max)
V
A = 4.5V
to 5.5V
320
410
µA (max)
f
SCLK =0
V
A = 2.7V
to 3.6V
190
µA (max)
V
A = 4.5V
to 5.5V
290
µA (max)
I
PD
Power Down Supply Current
(output unloaded, SYNC = 0V
after PD mode loaded)
All PD Modes,
f
SCLK =30MHz
V
A = 2.7V
to 3.6V
0.02
µA (max)
V
A = 4.5V
to 5.5V
0.03
µA (max)
All PD Modes,
f
SCLK = 0 (Note 10)
V
A = 2.7V
to 3.6V
0.015
1.0
µA (max)
V
A = 4.5V
to 5.5V
0.025
1.0
µA (max)
www.national.com
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