LM1872N National Semiconductor, LM1872N Datasheet - Page 4

• Manufacturer Part Number: LM1872N
• Description: IC RECEIVER RADIO CTRL 4CH
• Manufacturer: National Semiconductor

Specifications of LM1872N

• Function: Receiver, Decoder
• Frequency: 27MHz, 49MHz, 72MHz
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LM1872N; LM1872

Typical Performance Characteristics
Test Circuit
IF Bandpass Response
L1
T1
e
e
Toko 10k type (KEN-4028 DZ) 6T
Toko 10 EZC type (RMC 202313 NO) Qu
Pin 1–2 131T pin 2–3 33T
Pin 1–3 164T pin 4–6 5T
Equivalent Mixer Input Shunt
Resistance and Capacitance
vs Frequency
e
110
FIGURE 1 Test Circuit
Toko America
1250 Feehanville Drive
Mount Prospect IL 60056
[phone]
Bottom View
(Continued)
4
T2
e
Toko 10 EZC type (RMC 402503 NO) Qu
Pin 1–2 98T pin 2–3 66T
Pin 1–3 164T pin 4–6 8T
Receiver AM Rejection
vs RF Input Level
e
110
TL H 7912 – 3
TL H 7912 – 4