參數(shù)資料
型號(hào): TEA5777HL/N2,118
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-358-1, LQFP-32
文件頁(yè)數(shù): 29/47頁(yè)
文件大小: 219K
代理商: TEA5777HL/N2,118
TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
35 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
[1]
The sensitivity at the dummy input is equivalent to EMF in a 75
system.
[2]
Related to LNA input.
[3]
With a pre-emphasis of 50
s.
VO
output voltage
properly tuned
1
1.25
1.5
V
THD
total harmonic distortion
Vi2 = 1 mV; f = 75 kHz; with external
τ
deemp =50 s; Baud(
3dB) limited to
15 kHz
-
0.55
1.5
%
S/N
signal-to-noise ratio
Vi2 =1mV; L=R;
Baud(3dB) = 300 Hz to 15 kHz
A-weighted; fIF = 133.333 kHz
-60
-
dB
Zo
output impedance
300
420
550
CL
load capacitance
-
40
pF
RL
load resistance
33
-
k
AF output: pins VAFL and VAFR
Vo(AF)
AF output voltage
Vi2 = 1 mV, fFM(max) = 22.5 kHz
fIF = 133.333 kHz
70
95
120
mV
fIF = 150 kHz
55
75
95
mV
FM IF level detector
Input FM dummy
Vi
input voltage
Vi = Vi2 = detector level voltage
start ADC
-
5
-
V
step size of ADC
-
4.7
-
dB
Level output: pin TMUTE
VO
output voltage
Vi2 = 0 V
-
0.2
-
V
Vi2 = 5 mV
-
0.8
-
V
Vo(slope)
output voltage slope
10 mV < Vi2 < 1 mV
-
214
-
mV/
20dB
Ro
output resistance
200
250
350
k
Table 44.
FM performance …continued
VCCA =VCCD = 3 V; Tamb =25 °C; fRF = 100 MHz; fmod = 1 kHz; f = 22.5 kHz; τdeemp =50 s; all AC values are given in
RMS; see test circuit of Figure 9; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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