LTC6994CDCB-2 查看數據表（PDF） - Analog Devices
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LTC6994CDCB-2 Datasheet PDF : 28 Pages
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LTC6994-1/LTC6994-2
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
(teNmDIpVe=ra1tutore2r2a1n),geR,SEoTth=er5w0kisteos8p0e0cki,ficRaLtOioADns=a5rke,aCtLTOAAD=
25°C.
= 5pF
Test conditions are V+ =
unless otherwise noted.
2.25V
to
5.5V,
IN
=
0V,
DIVCODE
=
0
to
15
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
V+
Operating Supply Voltage Range
l 2.25
5.5
V
IS(IDLE)
Power-On Reset Voltage
Supply Current (Idle)
l
RL = ∞, RSET = 50k, N DIV ≤ 64 VV++ == 52..52V5V
l
l
RL = ∞, RSET = 50k, N DIV ≥ 512 VV++ == 52..52V5V
l
l
RL = ∞, RSET = 800k, NDIV ≤ 64 VV++ == 52..52V5V
l
l
RL = ∞, RSET = 800k, NDIV ≥ 512 VV++ == 52..52V5V
l
l
1.95
V
165
200
µA
125
160
µA
135
175
µA
105
140
µA
70
110
µA
60
95
µA
65
100
µA
55
90
µA
Analog Inputs
VSET
∆VSET/∆T
RSET
VDIV
∆VDIV/∆V+
Voltage at SET Pin
VSET Drift Over Temperature
Frequency-Setting Resistor
DIV Pin Voltage
DIV Pin Valid Code Range (Note 5)
DIV Pin Input Current
Deviation from Ideal
VDIV/V+ = (DIVCODE + 0.5)/16
l 0.97
1.00
1.03
V
l
±75
µV/°C
l 50
l
0
800
kΩ
V+
V
l
±1.5
%
l
±10
nA
Digital I/O
VIH
VIL
IOUT(MAX)
VOH
IN Pin Input Capacitance
IN Pin Input Current
High Level IN Pin Input Voltage
Low Level IN Pin Input Voltage
Output Current
High Level Output Voltage (Note 7)
IN = 0V to V+
(Note 6)
(Note 6)
V+ = 2.7V to 5.5V
V+ = 5.5V
V+ = 3.3V
V+ = 2.25V
VOL
Low Level Output Voltage (Note 7)
V+ = 5.5V
V+ = 3.3V
V+ = 2.25V
tPD
tWIDTH
Propagation Delay
Minimum Recognized Input Pulse Width
V+ = 5.5V
V+ = 3.3V
V+ = 2.25V
V+ = 3.3V
2.5
pF
l 0.7 • V+
l
±10
nA
V
0.3 • V+
V
±20
mA
IOUT = –1mA
l 5.45
5.48
V
IOUT = –16mA l 4.84
5.15
V
IOUT = –1mA
l 3.24
3.27
V
IOUT = –10mA l 2.75
2.99
V
IOUT = –1mA
l 2.17
2.21
V
IOUT = –8mA
l 1.58
1.88
V
IOUT = 1mA
l
IOUT = 16mA
l
0.02
0.04
V
0.26
0.54
V
IOUT = 1mA
l
IOUT = 10mA
l
0.03
0.05
V
0.22
0.46
V
IOUT = 1mA
l
IOUT = 8mA
l
0.03 0.07
V
0.26 0.54
V
10
ns
14
ns
24
ns
5
ns
Rev. C
4
For more information www.analog.com
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