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參數(shù)資料
| 型號： | TEA1081T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Supply circuit with power-down for telephone set peripherals |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, SOT-96, SO-8 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 77K |
| 代理商： | TEA1081T |
September 1994
7
Philips Semiconductors
Product specification
Supply circuit with power-down for
telephone set peripherals
TEA1081
CHARACTERISTICS
V
LN
= 4 V; V
LN(rms)
= 100 mV; I
O
= 5 mA; f = 300 to 3400 Hz; R
L
= 100 k
;
C
L
= 2.2
μ
F; R
V
= 75 k
; T
amb
= 25
°
C;
unless otherwise specified; see Fig.6.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
LN
V
LNmin
V
LNmax
Characteristics with R
V
= 75 k
connected between pins 6 and 7 and C
L
= 10
μ
F
operating DC line voltage
minimum instantaneous line voltage
maximum instantaneous line voltage
2.5
12.0
12.0
1.4
V
V
V
I
1
input current (pin 1)
V
LN(rms)
= 0 V
V
LN(rms)
= 1.5 V; I
O
= 15 mA
5.8
30
3.0
mA
mA
V
V
O
V
O
output voltage (pin 7)
variation of output voltage over the
ranges of:
line voltage
temperature
temperature
output current
control current (pin 6)
V
LN
= 4 to 6 V
T
amb
= +25 to
25
°
C
T
amb
= +25 to +75
°
C
I
O
= 5 to 20 mA
100
100
100
100
20
mV
mV
mV
mV
μ
A
I
6
Characteristics without R
V
I
1
input current (pin 1)
V
LN(rms)
= 0 V
V
LN(rms)
= 1.5 V; I
O
= 15 mA
I
O
= 0 mA
I
O
= 15 mA; V
LN(rms)
= 1.5 V
6.0
31
0.5
1.1
mA
mA
V
V
V
LN-O
voltage drop from line to output
I
O
output current (pin 7)
TEA1081
TEA1081T
internal series resistance
internal supply current
20
0.8
40
30
20
1.4
60
mA
mA
mA
μ
A
R
S
I
INT
I
O
= 0 mA; PD = LOW; V
SP
= V
O
I
O
= 0 mA; PD = HIGH (note 1);
V
SP
> 2 V
V
LN(rms)
= 1.5 V
600
reference
f = 500 Hz; V
LN
= 0 dBm;
Z
line
= 600
f = 500 Hz; V
LN
= 0 dBm;
Z
line
= 600
V
LN(rms)
= 0 V; R
L
= 600
;
P53 curve
THD
BRL
V
LN(2H)
total harmonic distortion
balance return loss
second harmonic level of line voltage
25
58
2
%
dB
dBm
V
LN(3H)
third harmonic level of line voltage
60
dBm
V
ni(rms)
noise voltage on input terminal
(RMS value)
83
dBmp
Power-down input (pin 4)
V
IL
V
IH
I
4
LOW level input voltage
HIGH level input voltage
input current
1.5
0.3
V
SP
10
V
V
μ
A
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