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參數(shù)資料
| 型號： | TEA7089AFP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LOW-RANGE PHONE DEDICATED CHIP |
| 中文描述： | 低檔手機(jī)專用芯片 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 154K |
| 代理商： | TEA7089AFP |
ELECTRICALSPECIFICATIONS
(continued)
ReceiveCharacteristics
(T
amb
= 25
°
C; R
L
= 660
; f = 1kHz)
Symbol
E
ff
Parameter
Test Conditions
Min.
Typ.
Max.
22.5
Unit
dB
Sidetone
Eff = (Vear
+
- Vear
-
) /Vm
Gain in Symmetric Mode
Grx = (Vear
+
- Vear
-
) / V
L
Test 3, V
m
= -55dBV, I
L
= 22mA,
R14 = 10k
, R17= 15k
Test 6, V
L
= -14.5dBV, R14 = 10k
,
R17 = 15k
, R25= 3.9k
I
L
= 22mA
I
L
= 90mA
Test 4, Rear = 300
, I
L
= 22mA
Vear = -12dBV
Vear = -8dBV
Test 4, I
L
= 22mA
I
L
= 22mA, V
L
= -14.5dBV
G
RXl
G
RXs
Dr
0.7
-6
1.7
-4
2.7
-2
dB
dB
Distortion
2
5
%
%
Nr
Vear
(010010)
Zout
Noise
Earphone Mute
-76
dBmp
dB
60
Output Impedance
20
Automatic Gain ControlInhibition
(T
amb
= 25
°
C; R
L
= 660
; f = 1kHz no AGCmode selected)
Symbol
Parameter
Test3 &Test4, I
L
= 22to90mA
Code : 010100
V
m
= -55dBV
V
L
= -14.5dBV
Test Conditions
Min.
Typ.
Max.
Unit
Gtp
Grp
Transmit Gain
Receive Gain
Gtxl -5
Grxl -5
Gtxl -4
Grxl -4
Gtxl -3
Grxl -3
dB
dB
Ring Characteristics
(T
amb
= 25
°
C)
Symbol
Ringing Threshold Voltage
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
Thri ON
V
Thri OFF
I
CRing
Test 5 a/b
RI high (see Figure 4)
Rl low (seeFigure 4)
V
RING
= 10V
15
5
20
9
1.2
V
V
Internal Consumption in Ring
Mode
Microprocessor Supply Voltage
Rise Time
Internal Zener Voltage
Buzzer V
Freq = 1312Hz
Freq. Code 001111
1
mA
V
RMC
t
RON
V
RING
V
bout
3.45
3.75
4.05
100
V
I
RING
= 10mA
ms
V
27
VRING = 27Vzener (see Figure 5)
Level Code (011111)
Level Code (011110)
Level Code (011101)
Level Code (011100)
12
4.4
2.2
1
13
5.6
2.8
1.4
13.5
6.7
3.4
1.8
V
RMS
V
RMS
V
RMS
V
RMS
V
bout
7
Figure 5 :
RingerOutput Waveform
OFF
ON
Ringer
Status
V
OFF
V
ON
V
Ringer Threshold(V
THRI
)
7
Figure 4 :
RingerHysteresis Ringer
TEA7089A
6/17
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