4185 查看數據表（PDF） - Maxim Integrated
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4185 Datasheet PDF : 24 Pages
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Single/Dual/Quad, 270MHz, 1mA, SOT23,
Current-Feedback Amplifiers with Shutdown
AC ELECTRICAL CHARACTERISTICS—Dual Supplies (MAX4181/4184/4185/4187) (cont.)
(VCC = +5V, VEE = -5V, VIN+ = 0V, SHDN ≥ 3V, AV = +1V/V; see Table 1 for RF values; TA = +25°C, unless otherwise noted.)
PARAMETER
Differential Gain Error
Input Noise Voltage Density
Input Noise Current Density
SYMBOL
DG
NTSC
en
f = 10kHz
in
f = 10kHz
CONDITIONS
RL = 1kΩ
RL = 150Ω
IN+
IN-
MIN TYP MAX UNITS
0.09
%
0.16
2
nV/√Hz
4
pA/√Hz
5
Input Capacitance
(Positive Input)
CIN+
1.5
pF
Output Impedance
Disabled Output Capacitance
Turn-On Time from SHDN
Turn-Off Time to SHDN
ZOUT f = 10kHz
COUT(OFF) SHDN ≤ VIL, VOUT ≤ ±3V (Notes 2, 4)
tON
(Note 4)
tOFF
(Note 4)
4.8
Ω
4
pF
50
ns
400
ns
Power-Up Time
200
µs
Off Isolation
SHDN ≤ 2V, RL = 150Ω, f = 10MHz
-54
dB
Crosstalk
f = 10MHz, MAX4184/4185/4187
-60
dB
Gain Matching to 0.1dB
f = 10MHz, MAX4184/4185/4187
25
MHz
AC ELECTRICAL CHARACTERISTICS—Single Supply (MAX4180/4182/4183/4186)
(VCC = +5V, VEE = 0V, VIN+ = 2.5V, SHDN ≥ 3V, AV = +2V/V; see Table 1 for RF and RG values; TA = +25°C, unless otherwise noted.)
PARAMETER
Small-Signal -3dB Bandwidth
(Note 5)
Large-Signal -3dB Bandwidth
Bandwidth for 0.1dB Flatness
(Note 5)
Slew Rate (Note 5)
Settling Time to 0.1%
Rise/Fall Time
Spurious-Free Dynamic Range
Second Harmonic Distortion
Third Harmonic Distortion
Differential Phase Error
SYMBOL
BWSS
BWLS
BW0.1dB
SR
tS
tR and tF
SFDR
DP
CONDITIONS
<0.5dB peaking
VOUT = 2Vp-p, RL = 1kΩ
RL = 1kΩ
RL = 150Ω
RL = 1kΩ
RL = 150Ω
VOUT = 2V step, RL = 1kΩ
Rising edge
Falling edge
VOUT = 2V step, RL = 1kΩ
VOUT = 2V step, RL = 1kΩ
fC = 5MHz, VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
fC = 5MHz, VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
fC = 5MHz, VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
NTSC
RL = 1kΩ
RL = 150Ω
MIN TYP MAX UNITS
155
210
165
MHz
110
MHz
20
50
40
MHz
260
340
V/µs
220
300
20
ns
6
ns
72
dB
57
-80
dBc
-76
-72
dBc
-57
0.01
degrees
0.35
6 _______________________________________________________________________________________
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