BA1451F-E2 Rohm Semiconductor, BA1451F-E2 Datasheet - Page 5

• Manufacturer Part Number: BA1451F-E2
• Description: IC AUDIO AM/FM TUNER 8V SOP24 TR
• Manufacturer: Rohm Semiconductor

Specifications of BA1451F-E2

• Function: AM Radio FM IF Stereo System
• Rf Type: AM, FM
• Secondary Attributes: IF Stereo System IC
• Package / Case: 24-SOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Audio ICs
! ! ! ! Electrical characteristics (Unless otherwise specified, Ta=25°C and V
<FM IF MPX>
<AM>
Pin No.
Quiescent current FM
Quiescent current AM
Detector output voltage
−3dB limiting sensitivity
Signal-to-noise ratio
Channel balance
AM suppression ratio
Channel separation
Total harmonic distortion
Station detector sensitivity
Station detector bandwidth
IF OUT output voltage
Detector output voltage
Usable sensitivity
Signal-to-noise ratio
Total harmonic distortion
Station detector sensitivity
IF OUT output voltage
Local buffer output voltage
FM IF MPX signal source : fi
AM
21
23
22
24
Parameter
FM detector bandwidth adjustment
Connect a resistor from this pin to the
reference voltage supply to set the
required detector bandwidth.
Reference voltage supply
Connected to a capacitor.
AM local oscillator
Connect to the AM OSC circuit.
AM local oscillator output
AM OSC output.
Function
: fi
Symbol
N
I
I
SD
N
S / N
AMR
S / N
V
THD
THD
SEP
SD
SD
Q (FM)
Q (AM)
C.B
Q.S
L.S
V
V
=10.7MHz, modulation 1kHz, 75kHzdev (100%)
V
V
=1000kHz, modulation 1kHz 30%
OBuff
IF
IF
O
O
SW
S
S
Min.
340
300
300
140
−2
13
11
34
72
45
35
34
70
70
22
42
21
−
−
Typ.
480
100
400
400
200
0.5
0.6
21
19
37
80
55
45
39
90
25
52
26
0
GND
V
reg
19kHz 7.5kHzdev (10%)
23
4
Max.
670
150
530
120
530
280
GND
1.6
1.8
+2
29
27
40
44
28
31
V
−
−
−
−
CC
2
4
Internal circuit
mVrms
mVrms
mVrms
mV
mV
dBµV
dBµV
dBµV
dBµV
Unit
kHz
mA
mA
dB
dB
dB
dB
dB
%
%
P-P
P-P
CC
21
22
=5V)
V
mono
V
V
AM : V
V
V
V
V
V
V
No input
No input
Input for pin 6 current ≥ 1mA
IF request ON
Input for S / N = 20dB
Input for pin 6 current ≥ 1mA
IF request ON
IN
IN
IN
IN
IN
IN
IN
IN
IN
4.3kΩ
=100dBµV,mono
=100dBµV, mono
=100dBµV, mono
=100dBµV, main
=100dBµV, main
=100dBµV, mono
=68dBµV
=68dBµV
=68dBµV
IN
=60dBµV, mod=30% , 400Hz
24
Conditions
Quiescent pin voltage (V)
FM
2.1
2.1
2.1
1.7
BA1451F
AM
2.1
2.1
2.1
1.4