參數(shù)資料
型號(hào): TA2057N
元件分類(lèi): 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24
封裝: SDIP-24
文件頁(yè)數(shù): 5/18頁(yè)
文件大?。?/td> 970K
代理商: TA2057N
TA2057N
2002-10-30
13
Electrical Characteristics
Unless Otherwise Specified, Ta = 25°C, VCC1 = 5V, SW3 = off, SW9 = GND, SW10 = 1
FM IF: f = 10.7MHz, f = ±22.5kHz, fm = 1kHz
AM: f = 1MHz, MOD = 30%, fm = 1kHz
FM St Det: fm = 1kHz
Characteristic
Symbol
Test
Cir
-
cuit
Test Condition
Min.
Typ.
Max.
Unit
ICC (FM)
1
FM mode, Vin = 0
20
26
Supply current
ICC (AM)
1
AM mode, Vin = 0
20
26
mA
Input limiting
voltage
Vin (lim)
1
-3dB limiting point
38
43
48
dBV EMF
Recovered output
voltage
VOD
1
Vin = 80dBV EMF
70
100
140
mVrms
Signal to noise ratio
S / N
1
Vin = 80dBV EMF
70
dB
Total harmonic
distortion
THD
1
Vin = 80dBV EMF
0.2
%
AM rejection ratio
AMR
1
Vin = 80dBV EMF
50
dB
LED on sensitivity
VL
1
IL = 1mA
43
48
53
dBV EMF
IF count output
voltage
VIF (FM)
1
SW3: On,
Vin = 80dBV EMF
350
500
mVp-p
SW3: On, SW1: 0
73
FM
IF
IF count output
sensitivity
IFsens
(FM)
1
SW3: On, SW1: 5.1k
62
dBV EMF
Gain
GV
1
Vin = 23dBV EMF
35
70
105
mVrms
Recovered output
voltage
VOD
1
Vin = 60dBV EMF
70
100
140
mVrms
Signal to noise ratio
S / N
1
Vin = 60dBV EMF
45
dB
Total harmonic
distortion
THD
1
Vin = 60dBV EMF
0.5
%
LED on sensitivity
VL
1
IL = 1mA
19
24
29
dBV EMF
1
fOSC = 1.45MHz
350
500
Local OSC buff
output voltage
VOSC
(AM)
1
fOSC = 27MHz
500
mVp-p
AM IF output
voltage for AM
stereo
VIF (ST)
1
SW9: Vstb, MOD = 0%
Vin = 60dBV EMF, SW10: 2
800
1100
1400
mVp-p
IF count output
voltage
VIF (AM)
1
SW3: On,
Vin = 60dBV EMF
350
500
mVp-p
SW3: On, SW2: 0
54
AM
IF count output
sensitivity
IFsens
(AM)
1
SW3: On, SW2: 5.1k
30
dBV EMF
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