參數(shù)資料
型號(hào): XRT4500CV
廠商: EXAR CORP
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-80
文件頁(yè)數(shù): 32/99頁(yè)
文件大?。?/td> 1384K
代理商: XRT4500CV
á
XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
29
P
OWER
S
UPPLY
C
ONSUMPTION
When external power supplies are available, the
switching regulator and charge pumps may be dis-
abled to save on component cost and current con-
sumption from the +5V supply.
The table below shows the typical currents the +5V,
+12V and -6V supplies require for each of the interface
modes.
The following two charts show how the IDD current
varies with temperature and voltage when only a sin-
gle 5V supply is used in the EIA-530 (V.11) mode.
This mode has the highest current consumption.
I
DD
I
PP
I
SS
M
ODE
I
NTERFACE
/C
ONDITIONS
S
UPPLY
+5V
+12V
-6V
U
NIT
M2
M1
M0
27
17
40
mA
0
0
0
V.10, No Load, No Signal
75
17
-160
mA
0
0
0
V.10, Full Load with Signal
27
15
-35
mA
0
0
1
EIA-530A, No Load (V.11)
230
15
-130
mA
0
0
1
EIA-530A, Full Load (V.11)
27
15
-35
mA
0
1
0
EIA-530 (V.36) No Load
27
15
-35
mA
0
1
1
X.21
65
15
-70
mA
1
0
0
V.35, No Load on V.28 drivers
68
45
-120
mA
1
0
0
V.35, Full Load on V.28 drivers
27
15
-35
mA
1
0
1
Reserved
20
30
-45
mA
1
1
0
RS-232, No Load
26
65
-55
mA
1
1
0
RS-232, Full Load
F
IGURE
1. S
UPPLY
C
URRENT
VERSUS
T
EMPERATURE
AND
S
UPPLY
V
OLTAGE
,
WITHOUT
L
OAD
OR
S
IGNAL
IN
EIA-530 (V.11)
MODE
Supply Current, No Signal, No Load, All CH
140
142
144
146
148
150
152
154
- 20
0
25
50
70
85
Temperature ( C)
I
4.75V
5.00V
5.25V
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