LTC1062CSW(RevD) 查看數據表（PDF） - Linear Technology
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LTC1062CSW Datasheet PDF : 16 Pages
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LTC1062
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = – 5V, unless otherwise specified, AC output measured at Pin 7,
Figure 1.
PARAMETER
Internal Buffer
Bias Current
CONDITIONS
Offset Voltage
Voltage Swing
Short-Circuit Current Source/Sink
Clock (Note 3)
Internal Oscillator Frequency
RLOAD = 20k
COSC (Pin 5 to V–, Pin 11 in SW16) = 100pF
Max Clock Frequency
Pin 5 (Pin 11 in SW16) Source or Sink Current
MIN TYP MAX UNITS
2 50
pA
●
170 1000
pA
2 20
mV
● ±3.5 ±3.8
V
40/3
mA
25
32 50
kHz
●
15
65
kHz
4
MHz
●
40 80
µA
Note 1: Absolute Maximum Ratings are those values beyond which the life of
a device may be impaired.
Note 2: fC is the frequency where the gain is –3dB with respect to the input
signal.
Note 3: The external or driven clock frequency is divided by either 1, 2 or 4
depending upon the voltage at Pin 4. For the N8 package, when Pin 4 = V+,
ratio = 1; when Pin 4 = GND, ratio = 2; when Pin 4 = V–, ratio = 4.
TYPICAL PERFOR A CE CHARACTERISTICS
Amplitude Response Normalized
to the Cutoff Frequency
0
VS = ±2.5V
–10 TA = 25°C
–20
1
2πRC
=
fC
1.62
–30
–40
fCLK = 500kHz, fC = 5kHz
–50
fCLK = 250kHz, fC = 2.5kHz
–60
fCLK = 100kHz, fC = 1kHz
–70
–80
–90
–100
0.1
fCLK = 10kHz, fC = 100Hz
fCLK = 1kHz, fC = 10Hz
1
fIN/fC
10
1062 G01
Amplitude Response Normalized
to the Cutoff Frequency
0 VS = ±2.5V
–10 TA = 25°C
–20
1
2πRC
=
fC
1.62
–30
–40
fCLK = 500kHz, fC = 5kHz
–50
fCLK = 250kHz, fC = 2.5kHz
–60
fCLK = 100kHz, fC = 1kHz
–70
–80
fCLK = 10kHz, fC = 100Hz
–90
–100
0.1
fCLK = 1kHz, fC = 10Hz
1
fIN/fC
10
1062 G01
Passband Gain
vs Input Frequency
0.4
VS = ±5V
0.2
TA = 25°C
fCLK = 100kHz
1
2πRC
=
fC
1.6
0
–0.2
–0.4
1
2πRC
=
fC
1.62
1
2πRC
=
fC
1.64
–0.6
–0.8
–1.0
0.1
0.2
0.4 0.6 0.8 1
fIN/fC
1062 G03
1062fd
3
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