AN7289NFBQ データシートの表示（PDF） - Panasonic Corporation
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AN7289NFBQ Datasheet PDF : 5 Pages
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ICs for FM/AM Tuner
AN7289NFBQ
s Electrical Characteristics at Ta = 25°C
• AM mode at VCC = 8.0 V, fIN2 = 1 MHz
Parameter
Symbol
Conditions
Min Typ Max Unit
AM consumption current 1
AM consumption current 2
AM-AF output
amLT1
amLT2
amVO
Without input
fIN2 = 1 MHz, VIN2 = 130 dBµ
VIN2 = 74 dBµ, 400 Hz 30%,
AM-AF output
28 36 44 mA
33 41 49 mA
105 135 160 mV
AM signal-to-noise ratio
amSN VIN2 = 74 dBµ, 400 Hz 30%,
AM-AF output S/N
48 52 58 dB
AM-AGC width
amW VIN2 = 74 dBµ, 400 Hz 30%,
56 60 64 dB
AM-AF output −10 dB input change
AM-ATC operation
AM-distortion rate 1
amATC (Output ratio [dB] of 400 Hz and 3 kHz 3.5 6.5 9.5 dB
when VIN2 = 18 dBµ) − (output ratio
[dB] of 400 Hz and 3 kHz when VIN2
= 74 dBµ)
80%Mod., AM-AFOUT output
amT1 VIN2 = 74 dBµ, 400 Hz 80%,
AM-AF output distortion
0.01 0.5 1.5 %
AM-distortion rate 2
amT2 VIN2 = 130 dBµ, 400 Hz 80%,
AM-AF output distortion
0.01 0.5 1.5 %
AM wide band AGC on input
amVW fIN2 = 1.4 MHz, input when pin 15
voltage becomes below 3 V
96 102 108 dBµ
AM local oscillation buffer output amVOS
AM-IF count output 1
amIF1
AM-IF count output 2
amIF2
Without input
VIN2 = 40 dBµ
Without input
160 210 260 mV
150 210 270 mV
10 mV
AM-SD output 1
AM-SD output 2
amSD1 VIN2 = 40 dBµ
amSD2 Without input
4.5 4.9 5.1 V
0.0 0.2 0.5 V
AM signal meter output 1
amVS1 Without input, pin 5 voltage
1 50 200 mV
AM signal meter output 2
amVS2 VIN2 = 30 dBµ, pin 5 voltage
0.8 1.05 1.3 V
AM signal meter output 3
amVS3 VIN2 = 130 dBµ, pin 5 voltage
4.1 4.8 5.1 V
AM search sensitivity DX
amDX AM-IF count output is over 120 mV 23 29 35 dBµ
VIN2 when f becomes 450 kHz±2 kHz
AM search sensitivity LO
amLO AM-IF count output is over 120 mV 43 49 55 dBµ
VIN2 when f becomes 450 kHz±2 kHz
Note) FM tuning condition: Adjust VATU voltage so that VAOSC output frequency becomes 1 450 kHz±500 Hz
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