參數(shù)資料
型號(hào)： STLC7545
廠商： 意法半導(dǎo)體
英文描述： Enhanced V.34 BIS Analog Front-End(單片模擬前端)
中文描述： 國際清算銀行增強(qiáng).34模擬前端（單片模擬前端）
文件頁數(shù)： 42/53頁
文件大?。?/td> 378K
代理商： STLC7545
VII - ELECTRICALSPECIFICATIONS
Unless otherwise noted, electrical characteristics are specified over the operating range. Typical values
aregiven for V
DD
= +5V , T
amb
= 25
°
C and for nominal crystalfrequencyFQ = 36.864MHz.
VII.1- ABSOLUTE MAXIMUM RATINGS
(referenced to GND)
Table 42 :
AbsoluteMaximum Ratings
Symbol
Parameter
V
DD
DC Supply Voltage
V
I
,V
IN
Digital or Analog Input Voltage
I
I
,I
IN
Digital or Analog Input Current
I
O
Digital Output Current
I
OUT
Analog Output Current
T
oper
Operating Temperature
T
stg
Storage Temperature (plastic)
P
Dmax
Maximum Power Dissipation
ESD
Electrostatic Discharge
Pins RxA1, RxA2, TxA1, TxA2, AV
DD
, V
CM
All other Pins
Value
-0.3 to 7.0
- 0.3, V
DD
+0.3
±
1
±
20
±
10
0, +70
- 40, + 125
500
1500
2000
Unit
V
V
mA
mA
mA
o
C
o
C
mW
V
V
VII.2- DC CHARACTERISTICS
(V
DD
= 5.0V
±
5%,GND= 0V,T
A
=0to+70
o
C,unlessotherwisespecified)
VII.2.1- PowerSupply and Common Mode Voltage
Table 43
: PowerSupply And Common Mode Voltage
Symbol
Parameter
SINGLE POWER SUPPLY (DV
DD
= AV
DD
)
V
DD
Supply Voltage
I
DDA
Analog Supply Current
I
DDD
Digital Supply Current
I
DD
-LP
Supply Current in Low Power Mode
V
CM
Output Common Mode Voltage
V
CM
Output Voltage Load Current (seeNote 1)
DOUBLE POWER SUPPLY (DV
DD
# AV
DD
)
DV
DD
Digital Supply Voltage
AV
DD
Analog Supply Voltage
I
DDA
Analog Supply Current
I
DDD
Digital Supply Current
V
CM
Output Common Mode Voltage (see Note 1)
Min.
Typ.
Max.
Unit
4.75
5
8
32
600
V
DD
/2
5.25
V
mA
mA
μ
A
V
V
DD
/2-5%
V
DD
/2+5%
3.15
4.75
3.3
5
8
20
V
DD
/2
3.45
5,25
V
V
mA
mA
V
V
DD
/2-5%
V
DD
/2+5%
Note 1 :
Device is very sensitive to noise on V
CM
Pin.V
CM
output voltage load current must be DC (<10
μ
A). in order to drive dynamic load,
V
CM
must be buffered.AC variation in V
CM
current magnitude decrease A/D and D/A performance.
VII.2.2- Digital Interface
(All digital pins except XTALpins)
Table 44 :
DigitalInterface
Symbol
(T
A
= 25
°
C, DV
DD
= +3.3V)
V
IL
Low Level Input Voltage
V
IH
High Level Input Voltage
I
I
Input Current V
I
= V
DD
or V
I
= GND
V
OH
High Level Output Voltage (I
LOAD
= -1mA)
V
OL
Low Level Output Voltage (I
LOAD
= 1mA)
C
IN
Input Capacitance
(T
A
= 25
°
C, DV
DD
= +3.3V)
V
IL
Low Level Input Voltage
V
IH
High Level Input Voltage
I
I
Input Current V
I
= V
DD
or V
I
= GND
V
OH
High Level Output Voltage (I
LOAD
= -600
μ
A)
V
OL
Low Level Output Voltage (I
LOAD
= 800
μ
A)
Parameter
Min.
Typ.
Max.
Unit
0.8
V
V
μ
A
V
V
pF
DV
DD
-0.5
-10
DV
DD
-0.5
±
1
10
0.4
5
-0.3
0.5
V
V
μ
A
V
V
DV
DD
-0.5
-10
DV
DD
-0.5
±
1
10
0.3
STLC7545
42/53
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