Single/Dual/Quad, 270MHz, 1mA, SOT23,
Current-Feedback Amplifiers with Shutdown
AC ELECTRICAL CHARACTERISTICS—Single Supply (MAX4181/4184/4185/4187) (cont.)
(VCC = +5V, VEE = 0V, VIN+ = 2.5V, 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
0.10
%
0.03
2
nV/√Hz
4
pA/√Hz
5
Input Capacitance
(Positive Input)
CIN+
1.5
pF
Output Impedance
ZOUT f = 10kHz
4.8
Ω
Disabled Output Capacitance COUT(OFF) SHDN ≤ VIL, 1.2V ≤ VOUT ≤ 3.8V (Notes 2, 4)
4
pF
Turn-On Time from SHDN
tON
(Note 4)
40
ns
Turn-Off Time to SHDN
tOFF
(Note 4)
400
ns
Power-Up Time
200
µs
Off Isolation
Crosstalk
SHDN ≤ 2V, RL = 150Ω, f = 10MHz
f = 10MHz, MAX4184/4185/4187
-54
dB
-60
dB
Gain Matching to 0.1dB
f = 10MHz, MAX4184/4185/4187
25
MHz
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
The MAX418_EUT is 100% production tested at TA = +25°C. Specifications over temperature limits are guaranteed by
design.
Does not include current into the external-feedback network.
Over operating supply-voltage range.
Specification applies to MAX4180/MAX4181/MAX4183 and MAX4185.
The AC specifications shown are not measured in a production test environment. The minimum AC specifications given are
based on the combination of worst-case design simulations along with a sample characterization of units. These minimum
specifications are for design guidance only and are not intended to guarantee AC performance (see AC Testing/
Performance). For 100% testing of those parameters, contact the factory.
__________________________________________Typical Operating Characteristics
(VCC = +5V, VEE = -5V, TA = +25°C, unless otherwise noted.)
MAX4180 SMALL-SIGNAL GAIN
vs. FREQUENCY (DUAL SUPPLIES)
4
3
VIN = 20mVp-p
AV = +2V/V
2
1
RF = RG = 1.2kΩ
RL = 1kΩ
0
-1
-2
RF = RG = 680Ω
-3
RL = 100Ω
OR
-4
RF = RG = 820Ω
-5
RL = 150Ω
-6
1
10
100
1000
FREQUENCY (MHz)
MAX4180 SMALL-SIGNAL GAIN
vs. FREQUENCY (SINGLE SUPPLY)
4
3
VCC = +5V
VIN = 20mVp-p
2
AV = +2V/V
1
RF = RG = 1.2kΩ
RL = 1kΩ
0
-1
-2
RF = RG = 680Ω
RL = 100Ω
-3
OR
-4
RF = RG = 820Ω
RL = 150Ω
-5
-6
1
10
100
1000
FREQUENCY (MHz)
MAX4181 SMALL-SIGNAL GAIN
vs. FREQUENCY (DUAL SUPPLIES)
4
3
VIN = 20mVp-p
AV = +1V/V
2
1
RF = 2.4kΩ
0
RL = 1kΩ
-1
-2
-3
-4
-5
-6
1
RF = 1kΩ
RL = 150Ω
OR
RF = 560Ω
RL = 100Ω
10
100
1000
FREQUENCY (MHz)
8 _______________________________________________________________________________________
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