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參數資料
| 型號： | 935263448557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | SPEAKER PHONE CIRCUIT, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數： | 10/43頁 |
| 文件大?。?/td> | 237K |
| 代理商： | 935263448557 |
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1999 Oct 14
18
Philips Semiconductors
Product specication
Speech and handsfree IC
TEA1098
Logic inputs
Table 2
Selection of transmit and receive channels for 5 different application modes
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); all DC levels are referenced to GND.
Note
1. Mostly dependent on the maximum required ambient temperature, on the voltage between LN and SLPE and on the
thermal resistance between die ambient temperature. This thermal resistance depends on the application board
layout and on the materials used. Figure 17 shows the safe operating area versus this thermal resistance for ambient
temperature Tamb =75 °C
LOGIC INPUTS
FEATURES
APPLICATION EXAMPLES
PD
HFC
MUTE
0
X
ash, DC dialling
1
0
DTMF to LN; DTMF to RECO; QR and MICS
are active
DTMF dialling in handset mode
1
0
1
MICS to LN; IR to RECO; QR and MICS are
active
handset conversation
1
0
DTMF to LN; DTMF to RECO; HFRX to LSAO;
QR and MICS are active
DTMF dialling in handsfree
1
TXIN to TXOUT; HFTX to LN; IR to RECO;
HFRX to LSAO; MICS is active
handsfree conversation mode
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VLN
positive continuous line voltage
0.4
+12
V
repetitive line voltage during switch-on or line
interruption
0.4
+13.2
V
Vn(max)
maximum voltage on pins REG, SLPE, IR and AGC
0.4
VLN + 0.4 V
maximum voltage on all other pins except VDD
0.4
VBB + 0.4 V
Iline
maximum line current
130
mA
Ptot
total power dissipation
Tamb =75 °C
TEA1098TV (see Fig.15)
400
mW
TEA1098H (see Fig.16)
720
mW
TEA1098UH; note 1
Tstg
IC storage temperature
40
+125
°C
Tamb
ambient temperature
25
+75
°C
Tj
junction temperature
125
°C
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