SL531
Ambient temperature 22
±2°C
Min.
Typ.
Max.
Small signal voltage gain
8
10
12
dB
Vin = -30dBm
High level slope gain
-1
0
+1
dB
Upper cut off frequency
250
500
MHz
Lower cut off frequency
3
10
MHz
-3dB w.r.t.
± 60MHz
Supply current
17
25
mA
Phase change with input amplitude
1.1
3
degress
-Vin = 30dBm to +10dBm
Input impedance
Output impedance
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following condltions (unless otherwise stated)
Test circuit Fig (4)
Frequency 60MHz
Supply voltage 9 volts
Fig.5 Small signal frequency response
Characteristic
Value
Units
Conditions
2.pF parallel with 1k
Ω
15
Ω series with 25nH
f = 10 - 200MHz
OPERATING NOTES
1. Supply Voltage Options
An on chip resistor is provided which can be used to drop the
supply voltage instead of the external 180 ohms shown in the
test circuit. The extra dissipation in this resistor reduces the
maximum ambient operating temperature to 100
°C. It is also
possible to use a 6 volt supply connected directly to pins 1 and
2 Problems with feedback on the supply line etc may occur in
this connection and RF chokes may be required in the supply
line between stages.
2. Layout P recautions
The internal decoupling capacitors help prevent high
frequency instability however normal high frequency layout
precautions are still necessary. Coupling capacitors should
be physically small and be connected with short leads. It is
most important that the ground connections are made with
short leads to a continuous ground plane.
3. Low Frequency Response
The LF response is determined by the on chip capacitors. It
can be extended by extra external decoupling on pins 5 and
1.
Fig.4 Test ciruit
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