參數(shù)資料
型號: LXT388LE
英文描述: PCM TRANSCEIVER|DUAL|CEPT PCM-30/E-1|CMOS|QFP|100PIN|PLASTIC
中文描述: 的PCM收發(fā)器|雙|優(yōu)稅PCM-30/E-1 |的CMOS | QFP封裝| 100引腳|塑料
文件頁數(shù): 55/80頁
文件大?。?/td> 1112K
代理商: LXT388LE
Octal T1/E1/J1 Transceiver
LXT384
Datasheet
55
Table 36. Recommended Operating Conditions
Parameter
LEN
Sym
Min.
Typ
Max
Unit
Test Condition
Digital supply voltage (VCC and VCCIO)
-
VCC
3.135
3.3
3.465
V
3.3V ± 5%
Transmitter supply voltage, TVCC=5V
nominal
-
TVCC
4.75
5.0
5.25
V
5V ± 5%
Transmitter supply voltage, TVCC=3.3V
nominal
-
TVCC
3.135
3.3
3.465
V
3.3V ± 5%
Ambient operating temperature
-
Ta
-40
25
+85
°
C
Average transmitter power supply current,
T1 Mode
1, 2
I
TVCC
-
440
230
490
-
mA
mA
100% 1
s density
50% 1
s density
Average digital power
supply current
I
VCC
-
90
120
mA
Output load at TTIP and
TRING
Rl
25
Device Power Consumption
Mode
TVCC
Load
LEN
Typ
Max
1
Unit
Test Conditions
E1
3.3V
75
000
-
-
760
-
mW
50% 1
s
-
-
1270
1420
mW
100% 1
s
120
000
-
-
640
-
mW
50% 1
s
-
-
1110
1280
mW
100% 1
s
T1
2
3.3V
100
101-111
-
-
1020
-
mW
50% 1
s
-
-
1820
2100
mW
100% 1
s
E1
5.0V
75
000
-
-
1000
-
mW
50% 1
s
-
-
1730
1940
mW
100% 1
s
120
000
-
-
820
-
mW
50% 1
s
-
-
1500
1730
mW
100% 1
s
T1
2
5.0V
100
101-111
-
-
1400
-
mW
50% 1
s
-
-
2670
2960
mW
100% 1
s
1. Current consumption over the full operating temperature and power supply voltage range. Includes all
channels.
2. T1 maximum values measured with maximum cable length (LEN = 111). Typical values measured with
typical cable length (LEN = 101).
3. Digital inputs are within 10% of the supply rails and digital outputs are driving a 50pF load.
Table 37. DC Characteristics (Sheet 1 of 2)
Parameter
Sym
Min.
Typ
Max
Unit
Test Condition
High level input voltage
V
IH
2
V
Low level input voltage
V
IL
0.8
V
High level output voltage
1
V
OH
2.4
VCCIO
V
I
OUT
= 400μA
Low level output voltage
1
V
OL
0.4
V
I
OUT
= 1.6mA
1. Output drivers will output CMOS logic levels into CMOS loads.
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