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LMH2180SDE Datasheet, PDF (4/18 Pages) Texas Instruments – LMH2180 75 MHz Dual Clock Buffer
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Symbol
Parameter
Miscellaneous Performance
RIN
Input Resistance per Buffer
CIN
Input Capacitance per Buffer
ZIN
Input Impedance
VO
Output Swing Positive
Conditions
Enable = VDD
Enable = VSS
Enable = VDD
Enable = VSS
f = 38.4 MHz, Enable = VDD
f = 38.4 MHz, Enable = VSS
VIN = VDD
Output Swing Negative
VIN = VSS
ISC
Output Short-Circuit Current
(Note 10, Note 11)
Sourcing, VIN = VDD, VOUT = VSS
Sinking, VIN = VSS, VOUT = VDD
Ven_hmin
Ven_lmax
Enable High Active Minimum Voltage
Enable Low Inactive Maximum
Voltage
Min
Typ
Max
(Note 7) (Note 6) (Note 7)
Units
137
137
kΩ
1.3
pF
1.3
4.5
4.2
kΩ
2.66
2.65
2.69
V
19
35
37
mV
−21
−25
−18
mA
23
25
15
1.2
V
0.6
5V Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA = 25°C, VDD = 5V, VSS = 0V, VCM = 1V, Enable1,2 = VDD, CL = 10 pF,
RL = 30 kΩ, Load is connected to VSS, CCOUPLING = 10 nF. Boldface limits apply at temperature range extremes of operating
condition. See (Note 2)
Symbol
Parameter
Conditions
Min
Typ
Max
(Note 7) (Note 6) (Note 7)
Units
Frequency Domain Response
SSBW
LSBW
GFN
Small Signal Bandwidth
Large Signal Bandwidth
Gain Flatness < 0.1 dB
VIN = 100 mVPP; −3 dB
VIN = 1.0 VPP; −3 dB
f > 100 kHz
87
MHz
68
MHz
25
MHz
Distortion and Noise Performance
φn
Phase Noise
en
Input-Referred Voltage Noise
ISOLATION
CT
Output to Input
Crosstalk Rejection
Time Domain Response
VIN = 1 VPP, fC = 38.4 MHz, Δf = 1 kHz
VIN = 1 VPP, fC = 38.4 MHz, Δf = 10 kHz
f = 1 MHz, RSOURCE = 50Ω
f = 1 MHz, RSOURCE = 50Ω
f = 38.4 MHz, PIN = 0 dBm
−123
−132
12
84
59
dBc/Hz
dBc/Hz
nV/
dB
dB
tr
Rise Time
tf
Fall Time
ts
Settling Time to 0.1%
OS
Overshoot
SR
Slew Rate (Note 8)
Static DC Performance
0.1 VPP Step (10-90%)
1 VPP Step
0.1VPP Step
VIN = 2 VPP
6
ns
6
ns
70
ns
13
%
124
V/µs
IS
Supply Current
Enable1,2 = VDD ; No Load
3.4
4.0
4.1
mA
Enable1 = VDD, Enable2 = VSS ; No
Load
1.8
2.2
2.3
mA
Enable1,2 = VSS ; No Load
32
43
49
μA
3
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