LTC1417 データシートの表示（PDF） - Linear Technology
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LTC1417 Datasheet PDF : 32 Pages
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LTC1417
TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25°C)
VDD Supply Current vs
Temperature (Unipolar Mode)
6
5
4
3
2
1
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1417 G13
VDD Supply Current vs Sampling
Frequency (Unipolar Mode)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 50 100 150 200 250 300 350 400 450 500
SAMPLING FREQUENCY (kHz)
1417 G16
VDD Supply Current vs
Temperature (Bipolar Mode)
6
5
4
3
2
1
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1417 G14
VDD Supply Current vs Sampling
Frequency (Bipolar Mode)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 50 100 150 200 250 300 350 400 450 500
SAMPLING FREQUENCY (kHz)
1417 G17
VSS Supply Current vs
Temperature (Bipolar Mode)
3.0
2.5
2.0
1.5
1.0
0.5
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1417 G15
VSS Supply Current vs Sampling
Frequency (Bipolar Mode)
2.5
2.0
1.5
1.0
0.5
0
0 50 100 150 200 250 300 350 400 450 500
SAMPLING FREQUENCY (kHz)
1417 G18
PIN FUNCTIONS
AIN+ (Pin 1): Positive Analog Input.
AIN– (Pin 2): Negative Analog Input.
VREF (Pin 3): 2.50V Reference Output. Bypass to AGND
with 1µF.
REFCOMP (Pin 4): 4.096V Reference Output. Bypass to
AGND using 10µF tantalum in parallel with 0.1µF ceramic.
AGND (Pin 5): Analog Ground.
EXTCLKIN (Pin 6): External Conversion Clock Input. A 5V
input will enable the internal conversion clock.
SCLK (Pin 7): Data Clock Input.
CLKOUT (Pin 8): Conversion Clock Output.
DOUT (Pin 9): Serial Data Output.
DGND (Pin 10): Digital Ground.
SHDN (Pin 11): Power Shutdown Input. Low selects
shutdown. Shutdown mode selected by RD. RD = 0V for
Nap mode and RD = 5V for Sleep mode.
RD (Pin 12): Read Input. This enables the output drivers.
RD also sets the shutdown mode when SHDN goes low.
RD and SHDN low selects the quick wake-up Nap mode,
RD high and SHDN low selects Sleep mode.
7
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