LTC6905I データシートの表示（PDF） - Linear Technology
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LTC6905I Datasheet PDF : 12 Pages
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LTC6905
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full specified
temperature range, otherwise specifications are at TA = 25°C or as noted. V+ = 2.7V to 5.5V, RL = 15k, CL = 5pF, Pin 4 = V+ unless
otherwise noted. All voltages are with respect to GND.
SYMBOL
Δf
Δf
RSET
fMAX
fMIN
Δf/ΔT
Δf/ΔV
V+
IS
VIH
VIL
IDIV
VOH
PARAMETER
Frequency Accuracy (Notes 2, 9)
CONDITIONS
V+ = 2.7V, 17.225MHz < f < 170MHz
V+ = 5V, 17.225MHz < f < 170MHz
LTC6905CS5
V+ = 2.7V, 17.225MHz < f < 170MHz
V+ = 5V, 17.225MHz < f < 170MHz
LTC6905MPS5 (25°C ≤ T ≤ 125°C),
LTC6905HS5 (25°C ≤ T ≤ 125°C),
LTC6905IS5 (25°C ≤ T ≤ 85°C)
V+ = 2.7V, 17.225MHz < f < 170MHz
V+ = 5V, 17.225MHz < f < 170MHz
LTC6905MPS5 (–55°C < T < 125°C),
LTC6905HS5 (–40°C ≤ T ≤ 125°C),
LTC6905IS5 (–40°C ≤ T ≤ 85°C)
V+ = 2.7V, 17.225MHz < f < 170MHz
V+ = 5V, 17.225MHz < f < 170MHz
Frequency Accuracy (Notes 2, 9)
Frequency-Setting Resistor Range
Maximum Frequency
Pin 4 = V+, N = 1
Minimum Frequency
Pin 4 = 0V, N = 4
Freq Drift Over Temp (Note 2)
Freq Drift Over Supply (Notes 2, 9)
Peak-to-Peak Timing Jitter (Note 3)
RSET = 10k
V+ = 2.7V to 5.5V, RSET = 10k
Long-Term Stability of Output Frequency
Duty Cycle
Operating Supply Range
Power Supply Current
High Level DIV Input Voltage
RSET = 10k, N = 1, RL = ∞,
fOSC = 170MHz, CL = 5pF
RSET = 20k, N = 4, RL = ∞,
fOSC = 21.44MHz, CL = 5pF
V+ = 5.5V
V+ = 2.7V
V+ = 5.5V
V+ = 2.7V
Low Level DIV Input Voltage
DIV Input Current (Note 4)
High Level Output Voltage (Note 4)
Pin 4 = V+
Pin 4 = 0V
V+ = 5.5V, Pin 4 = 0V
V+ = 2.7V, Pin 4 = 0V
V+ = 5.5V
V+ = 5.5V
IOH = –1mA
IOH = –4mA
IOH = –1mA
IOH = –4mA
MIN
l
l
l
l
10
l
l
l 47.5
l 2.7
l
l
l
l
l V+ – 0.15
l
l
– 40
l 5.25
l 5.20
l 2.5
l 2.4
TYP
±0.5
170
17.225
±20
0.5
0.8
300
50
14
7
5
3
15
–11
5.45
5.30
2.6
2.4
MAX
UNITS
±1.4
%
±2.2
%
±1.7
%
±2.5
%
±1.9
%
±2.9
%
±3.5
%
±3.5
%
25
kΩ
MHz
MHz
ppm/°C
%/V
%
ppm/√kHr
52.5
%
5.5
V
20
mA
12
mA
7
mA
5
mA
V
0.2
V
40
μA
μA
V
V
V
V
6905fd
3
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