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DAC121S101EVAL 数据手册 - TI（德州仪器）
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TI（德州仪器）
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DA转换器
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DAC121S101EVAL数据手册
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Symbol Parameter Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
I
OS
Output Short Circuit Current
V
A
= 5V, V
OUT
= 0V,
Input code = FFFh
−63 mA
V
A
= 3V, V
OUT
= 0V,
Input code = FFFh
−50 mA
V
A
= 5V, V
OUT
= 5V,
Input code = 000h
74 mA
V
A
= 3V, V
OUT
= 3V,
Input code = 000h
53 mA
LOGIC INPUT
I
IN
Input Current (Note 10) ±1 µA (max)
V
IL
Input Low Voltage (Note 10)
V
A
= 5V
0.8 V (max)
V
A
= 3V
0.5 V (max)
V
IH
Input High Voltage (Note 10)
V
A
= 5V
2.4 V (min)
V
A
= 3V
2.1 V (min)
C
IN
Input Capacitance (Note 10) 3 pF (max)
POWER REQUIREMENTS
I
A
Supply Current (output unloaded)
Normal Mode
f
SCLK
= 30 MHz
V
A
= 5.5V
260 312 µA (max)
V
A
= 3.6V
177 217 µA (max)
Normal Mode
f
SCLK
= 20 MHz
V
A
= 5.5V
224 279 µA (max)
V
A
= 3.6V
158 197 µA (max)
Normal Mode
f
SCLK
= 0
V
A
= 5.5V
153 µA (max)
V
A
= 3.6V
118 µA (max)
All PD Modes,
f
SCLK
= 30 MHz
V
A
= 5.0V
84 µA (max)
V
A
= 3.0V
42 µA (max)
All PD Modes,
f
SCLK
= 20 MHz
V
A
= 5.0V
56 µA (max)
V
A
= 3.0V
28 µA (max)
All PD Modes,
f
SCLK
= 0 (Note 10)
V
A
= 5.5V
0.07 1.0 µA (max)
V
A
= 3.6V
0.04 1.0 µA (max)
P
C
Power Consumption (output
unloaded)
Normal Mode
f
SCLK
= 30 MHz
V
A
= 5.5V
1.43 1.72 mW (max)
V
A
= 3.6V
0.64 0.78 mW (max)
Normal Mode
f
SCLK
= 20 MHz
V
A
= 5.5V
1.23 1.53 mW (max)
V
A
= 3.6V
0.57 0.71 mW (max)
Normal Mode
f
SCLK
= 0
V
A
= 5.5V
0.84 µW (max)
V
A
= 3.6V
0.42 µW (max)
All PD Modes,
f
SCLK
= 30 MHz
V
A
= 5.0V
0.42 µW (max)
V
A
= 3.0V
0.13 µW (max)
All PD Modes,
f
SCLK
= 20 MHz
V
A
= 5.0V
0.28 µW (max)
V
A
= 3.0V
0.08 µW (max)
All PD Modes,
f
SCLK
= 0 (Note 10)
V
A
= 5.5V
0.39 5.5 µW (max)
V
A
= 3.6V
0.14 3.6 µW (max)
I
OUT
/ I
A
Power Efficiency
I
LOAD
= 2mA
V
A
= 5V
91 %
V
A
= 3V
94 %
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