LTC1068CN(RevA) 查看數據表（PDF） - Linear Technology
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LTC1068CN Datasheet PDF : 28 Pages
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ELECTRICAL CHARACTERISTICS
LTC1068-50 (Complete Filter) VS = ±5V, TA = 25°V, unless otherwise noted.
PARAMETER
fO Temperature Coefficient
Q Temperature Coefficient
DC Offset Voltage (Note 5)
(See Table 1)
Clock Feedthrough
Max Clock Frequency (Note 6)
Power Supply Current
CONDITIONS
VS = ±5V, fCLK = 500kHz, VOS1
(DC Offset of Input Inverter)
VS = ±5V, fCLK = 500kHz, VOS2
(DC Offset of First Integrator)
VS = ±5V, fCLK = 500kHz, VOS3
(DC Offset of Second Integrator)
VS = ±5V, fCLK = 500kHz
VS = ±5V, Q ≤ 1.6, Mode 1
VS = 3.14V, fCLK = 250kHz (Note 2)
VS = 4.75V, fCLK = 250kHz (Note 3)
VS = ±5V, fCLK = 500kHz
LTC1068 Series
MIN
q
q
q
q
q
q
TYP
MAX UNITS
±1
ppm/°C
±5
ppm/°C
0
±15
mV
–2
±25
mV
–5
±40
mV
0.16
mVRMS
3.4
MHz
3.0
5
mA
4.3
8
mA
6.0
11
mA
LTC1068-25 (Internal Op Amps) VS = ±5V, TA = 25°V, unless otherwise noted.
PARAMETER
Operating Supply Voltage Range
Voltage Swings
Output Short-Circuit Current (Source/Sink)
DC Open-Loop Gain
GBW Product
Slew Rate
Analog Ground Voltage (Note 4)
CONDITIONS
VS = 3.14V, RL = 5k (Note 2)
VS = 4.75V, RL = 5k (Note 3)
VS = ±5V, RL = 5k
VS = ±4.75V
VS = ±5V
RL = 5k
VS = ±5V
VS = ±5V
VS = 5V, Voltage at AGND
MIN
TYP
MAX
UNITS
3.14
±5.5
V
q 1.2
1.6
VP-P
q 2.6
3.4
VP-P
q ±3.4
±4.1
V
17/6
mA
20/15
mA
85
dB
6
MHz
10
V/µs
2.5V ±2%
V
LTC1068-25 (Complete Filter) VS = ±5V, TA = 25°V, unless otherwise noted.
PARAMETER
Clock-to-Center Frequency Ratio (Note 5)
Clock-to-Center Frequency Ratio,
Side-to-Side Matching (Note 5)
Q Accuracy (Note 5)
fO Temperature Coefficient
Q Temperature Coefficient
CONDITIONS
VS = 4.75V, fCLK = 500kHz, Mode 1 (Note 3),
fO = 20kHz, Q = 5, VIN = 0.5VRMS,
R1 = R3 = 49.9k, R2 = 10k
VS = ±5V, fCLK = 1MHz, Mode 1,
fO = 40kHz, Q = 5, VIN = 1VRMS,
R1 = R3 = 49.9k, R2 = 10K
VS = 4.75V, fCLK = 500kHz, Q = 5 (Note 3)
VS = ±5V, fCLK = 1MHz, Q = 5
VS = 4.75V, fCLK = 500kHz, Q = 5 (Note 3)
VS = ±5V, fCLK = 1MHz, Q = 5
MIN
q
q
q
q
q
q
TYP
25 ±0.3
25 ±0.3
±0.25
±0.25
±1
±1
±1
±5
MAX
25 ±0.8
25 ±0.9
UNITS
%
%
25 ±0.8
%
25 ±0.9
%
±0.9
%
±0.9
%
±3
%
±3
%
ppm/°C
ppm/°C
5
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