a3845slw Allegro MicroSystems, Inc., a3845slw Datasheet - Page 3

• Manufacturer Part Number: a3845slw
• Description: Am Noise Blanker
• Manufacturer: Allegro MicroSystems, Inc.

Characteristic
Supply Voltage Range
Quiescent Supply Current
RF INPUT AMPLIFIER:
Trigger Threshold
Modulation Threshold
Detector Rise Time
RF SWITCH:
ON Resistance
OFF Resistance
Time Delay
AUDIO SWITCHES:
Attenuation
Noise
Crosstalk
Gain
Total Harmonic Distortion
Input Impedance
Output Impedance
BLANKING TIMERS:
RF Blanking
Audio Delay
Audio Blanking
www.allegromicro.com
10-9, 11-12
10-9, 11-12
Leads
10, 11
17-18
17-18
9, 12
9, 12
9, 12
Test
9, 12
1-17
20
20
13
17
1
1
9
9
Test Conditions
Operating
V
Noise Pulse Amplitude for V
Noise Pulse Modulation for V
C
From Beginning of RF Pulse
to Beginning of RF Blanking
V
R
R
R
RF
af
13
15
5
6
= 350 k
= 110 k , C
=700 mV, V
= 0
= 350 k
= 0
noise
8
= 0.0012 F
= 0
RF
RF
= 0
= 1 mV
AM NOISE BLANKER
Min.
-1.2
210
7.5
45
35
40
35
30
—
—
—
—
—
—
—
—
—
55
Typ.
<0.1
-0.3
100
500
100
100
250
9.0
1.5
1.5
1.0
15
75
30
80
60
60
55
Limits
Max.
240
220
100
400
5.0
1.0
12
22
—
—
12
—
—
—
75
67
_
0
3845
mVpp
Units
mA
k
k
k
dB
dB
dB
ns
%
%
V
V
s
s
s
s