A3845ELW Allegro Microsystems Inc, A3845ELW Datasheet

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A3845ELW

Manufacturer Part Number
A3845ELW
Description
Manufacturer
Allegro Microsystems Inc
Datasheet

Specifications of A3845ELW

Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Package Type
SOIC W
Lead Free Status / RoHS Status
Not Compliant
AUDIO BLANK
AUDIO DELAY
AUDIO BLANK
AUDIO OUT
Supply Voltage, V
Package Power Dissipation,
Operating Temperature Range, T
Storage Temperature Range,
RF BYPASS
CONNECT
AUDIO IN
TIME (R)
TIME (C)
RF BIAS
RF AGC
RF IN
P
Suffix ‘ELW’ . . . . . . . .
Suffix ‘SLW’ . . . . . . . .
T
NO
S
D
1
1
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . -55 C to +125 C
10
1
2
3
4
5
6
7
8
9
NC
CC
. . . . . . . . . . . . . .
DET
V
NC
NC
CC
-40 C to +85 C
-20 C to +85 C
20
19
18
17
16
15
14
13
12
11
A
SUPPLY
NO
CONNECT
RF GATE
LOW
RF GATE
HIGH
GROUND
RF BLANK
TIME
NO
CONNECT
NOISE
DIFFERENTIATOR
AUDIO OUT
AUDIO IN
1.78 W
Dwg. PS-003-1A
12 V
2
2
3845
Always order by complete part number:
Part Number
A3845ELW
A3845SLW
RF Blanking to 30 MHz
Single-Channel or Stereo Audio Blanking
Adjustable RF and Audio Blanking Time
Adjustable Audio Blanking Delay
Sample-and-Hold MOS Audio Gates
Internal Voltage Regulation
Minimum External Components
AM and AM-Stereo Automotive Radios
CB Transmitter/Receivers
Short-Wave Receivers
Mobile Communications Equipment
Function
Stereo Noise Blanker, Extended Temp. Range
Stereo Noise Blanker, Standard Temp. Range
AM NOISE BLANKER

Related parts for A3845ELW

A3845ELW Summary of contents

Page 1

... Internal Voltage Regulation Minimum External Components AM and AM-Stereo Automotive Radios CB Transmitter/Receivers 12 V Short-Wave Receivers Mobile Communications Equipment 1.78 W Always order by complete part number: Part Number Function A3845ELW Stereo Noise Blanker, Extended Temp. Range A3845SLW Stereo Noise Blanker, Standard Temp. Range AM NOISE BLANKER ...

Page 2

AM NOISE BLANKER BYPASS 2 RF BIAS 3 RF AGC 4 GROUND 16 SUPPLY CONNECTION NOISE RF Note that the noise-pulse input is attenuated the test circuit. PEAK ...

Page 3

Test Characteristic Leads Supply Voltage Range 20 Quiescent Supply Current 20 RF INPUT AMPLIFIER: Trigger Threshold 1 Modulation Threshold 1 Detector Rise Time 13 RF SWITCH: ON Resistance 17-18 OFF Resistance 17-18 Time Delay 1-17 AUDIO SWITCHES: Attenuation 10-9, 11-12 ...

Page 4

AM NOISE BLANKER (for circuit design information only) Lead Number Function Bypass 3 RFBias 4 RF AGC 5 Audio Delay 6 Audio Blank Time ( Connection 8 Audio BlankTime (C) 9 Audio ...

Page 5

ANTENNA RF MIXER BW = "WIDE" 20 kHz 0 NOISE PULSE The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time ...

Page 6

AM NOISE BLANKER 0 -5 -10 -15 0.1 1 INPUT FREQUENCY IN MHz Symbol Antenna Local Osc Mixer T 5 Detector L 2 ® Registered trademark of ...

Page 7

AM NOISE BLANKER ...

Page 8

AM NOISE BLANKER 20 0.2992 0.2914 0.020 1 0.013 0.0926 0.1043 0.0040 20 7.60 7.40 0.51 1 0.33 2.65 2.35 0.10 NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown. 2. Lead spacing tolerance is ...

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