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參數(shù)資料
| 型號： | TDA7338D013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 541K |
| 代理商： | TDA7338D013TR |
TDA7338
4/12
3.1 NOTES TO THE CHARACTERISTICS
1) INTERMODULATION SUPPRESSION
; fs = (2 x 10KHz) - 19KHz
; fs = (3 x 13KHz) - 38KHz
measured with : 91% mono signal; 9% pilot signal; fm=10KHz or 13KHz
2) TRAFFIC RADIO (V.F.) suppression
measured with : 91% stereo signal; 9% pilot signal; fm=1KHz; 5% subcarrier
(f = 57KHz, fm = 23Hz AM, m = 60%)
STEREO BLEND
V16-17
Control Voltage for Channel
Separation
α = 6dB; VR = 3.6V (note 5)
-0.31
-0.27
-0.23
V
V16-17
Control Voltage for Channel
Separation
α = 26dB;
-85
-55
-30
mV
HIGH CUT CONTROL
τdeemp
De-Emphasis Time Constant
C13, C14 = 1nF; V15-17 = 50mV
435057
s
R15-17
High Cut Control Resistance
V15 - 17 = 50mV
435057
K
R15-17
High Cut Control Resistance
V15 - 17 = -0.5V (note 5)
115
150
185
K
VCO
fosc
Oscillator Frequency
with Murata CSB456F11
456
KHz
f/f
Capture and Holding Range
±1
%
VVCO
VCO OFF
Pin 7
0.6
V
NOISE INTERFACE DETECTOR (test condition: VSB > VR + 50mV)
VTR
Trigger Threshold (note 6)
VPEAK = 1.3V; PROG = GND
180
mV
VPEAK = 1.3V;
PROG = OPEN/VDD
250
mV
VTR
Trigger Threshold
VPEAK = 1.5V; PROG = GND
260
mV
VPEAK = 1.5V;
PROG = OPEN/VDD
340
mV
TS
Suppression Pulse Duration
CBLANK = 470pF
50
s
IOS
Input Offset Current during
suppression time
10
pA
VN1
VPEAK (pin 8)
VIN = 0mVRMS
0.7
1.0
1.3
V
VN2
VPEAK (pin 8)
VIN = 50mVRMS; f = 150KHz
1.1
1.5
2
V
VN3
VPEAK (pin 8)
VIN = 100mVRMS; f = 150KHz
1.7
2.3
2.8
V
Table 4.
(VCC = 9V; modulation frequency: 1KHz; de-emphasis time: T = 50s; nominal MPX input voltage:
VMPX = 1.5VPP; m 100% (75KHz deviation, fmod = 1KHz); RIN = 40.2k, ROUT = 40.2k;
Tamb = 27°C; CREF = 4.7F; unless otherwise specified)
α2
V
O signal
() at1KHz
()
V
O spurious
() at1KHz
()
------------------------------------------------------------------
=
α3
V
O signal
() at1KHz
()
V
O spurious
() at1KHz
()
------------------------------------------------------------------
=
α57 V.W.F.
()
V
O s i gna l
() at1KHz
()
V
O spuriou s
() at1KHz 23KHz
±
()
--------------------------------------------------------------------------------------------
=
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