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參數(shù)資料
| 型號： | μA9638C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual High Speed Differential Line Driver(雙路高速差分線驅動器) |
| 中文描述： | 雙路高速差分線路驅動器（雙路高速差分線驅動器） |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 101K |
| 代理商： | ΜA9638C |
uA9638C
DUAL HIGH-SPEED DIFFERENTIAL LINE DRIVER
SLLS112C – OCTOBER 1980 – REVISED APRIL 1994
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
Input clamp voltage
VCC = 4.75 V,
VCC = 4.75 V,
VCC 4.75 V,
VIL = 0.8 V
II = –18 mA
VIH = 2 V,
VIH 2 V,
–1
–1.2
V
VOH
High-level output voltage
IOH = –10 mA
IOH = –40 mA
VIL = 0.8 V,
VIL 0.8 V,
2.5
3.5
V
2
VOL
Low-level output voltage
VCC = 4.75 V,
VCC 4.75 V,
IOL = 40 mA
VCC = 5.25 V,
VIH = 2 V,
VIH 2 V,
0 5
0.5
V
|VOD1|
|VOD2|
Magnitude of differential output voltage
IO = 0
2VOD2
V
Magnitude of differential output voltage
VCC = 4.75 V to 5.25 V,
VCC 4.75 V to 5.25 V,
See Figure 1
4 75 V
4 75 V
5 25 V
5 25 V
RL = 100
RL 100
,
2
V
|VOD|
Change in magnitude of differential
output voltage
Common-mode output voltage§
0 4
±
0.4
V
VOC
3
V
|VOC|
Change in magnitude of common-mode
Change in magnitude of common mode
output voltage
0 4
±
0.4
V
IO
Output current with power off
i h
VCC = 0
VO = 6 V
VO = – 0.25 V
VO = – 0.25 V to 6 V
VI = 5.5 V
VI = 2.7 V
VI = 0.5 V
VO = 0
No load,
0.1
100
–0.1
–100
±
100
A
μ
II
IIH
IIL
IOS
ICC
All typical values are at VCC = 5 V and TA = 25
°
C.
| VOD | and
| VOC | are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a
low level or vice versa.
§In Standard EIA-422-A, VOC, which is the average of the two output voltages with respect to ground, is called output offset voltage, VOS.
Only one output at a time should be shorted, and duration of the short circuit should not exceed one second.
Input current
VCC = 5.25 V,
VCC = 5.25 V,
VCC = 5.25 V,
VCC = 5.25 V,
VCC = 5.25 V,
50
μ
A
μ
A
μ
A
High-level input current
25
Low-level input current
Short-circuit output current
–200
–50
–150
mA
Supply current (both drivers)
All inputs at 0 V
45
65
mA
switching characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
Differential output delay time
TEST CONDITIONS
MIN
TYP
10
MAX
UNIT
ns
td(OD)
tt(OD)
tsk(o)
CL= 15 pF
CL = 15 pF,
RL= 100
RL = 100
,
See Figure 2
20
Differential output transition time
10
20
ns
Output skew
See Figure 2
1
ns
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