參數(shù)資料
型號： SA555FK
廠商： Texas Instruments, Inc.
英文描述： PRECISION TIMERS
中文描述： 精密定時器
文件頁數(shù)： 5/15頁
文件大小： 253K
代理商： SA555FK
NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022 – SEPTEMBER 1973 – REVISED FEBRUARY 1992
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, V
CC
= 5 V to 15 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
SE555
NE555, SA555,
SE555C
UNIT
MIN
9.4
TYP
10
MAX
10.6
MIN
8.8
TYP
10
MAX
11.2
THRES voltage level
VCC = 15 V
VCC = 5 V
V
2.7
3.3
4
2.4
3.3
4.2
THRES current (see Note 2)
30
5
250
5.2
30
5
250
5.6
nA
TRIG voltage level
VCC = 15 V
VCC = 5 V
TRIG at 0 V
4.8
4.5
V
1.45
1.67
0.5
0.7
0.1
1.9
0.9
1.1
1.67
0.5
0.7
0.1
2.2
TRIG current
RESET voltage level
2
1
μ
A
V
0.3
1
0.3
RESET current
RESET at VCC
RESET at 0 V
0.4
0.4
mA
–0.4
–1
–0.4
–1.5
DISCH switch off-state current
20
10
100
10.4
20
10
100
11
nA
CONT voltage (open circuit)
VCC = 15 V
VCC = 5 V
9.6
9
V
2.9
3.3
3.8
2.6
3.3
4
IOL = 10 mA
IOL = 50 mA
IOL = 100 mA
IOL = 200 mA
IOL = 5 mA
IOL = 8 mA
IOH = –100 mA
IOH = –200 mA
IOH = –100 mA
VCC = 15 V
VCC = 5 V
VCC = 15 V
VCC = 5 V
0.1
0.15
0.1
0.25
VCC= 15 V
VCC = 15 V
0.4
0.5
0.4
0.75
Low level output voltage
Low-level output voltage
2
2.2
2
2.5
V
2.5
2.5
VCC= 5 V
VCC = 5 V
0.1
0.2
0.1
0.35
0.15
0.25
0.15
0.4
VCC= 15 V
VCC = 15 V
13
13.3
12.75
13.3
High-level output voltage
12.5
12.5
V
VCC = 5 V
3
3.3
2.75
3.3
Output low,
No load
10
12
10
15
Supply current
3
5
3
6
mA
Output high,
No load
9
2
10
4
9
2
13
5
NOTE 2: This parameter influences the maximum value of the timing resistors RA and RB in the circuit of Figure 12. For example, when
VCC = 5 V, the maximum value is R = RA + RB
≈
3.4 M
, and for VCC = 15 V, the maximum value is 10 M
.
operating characteristics, V
CC
= 5 V and 15 V
PARAMETER
TEST
CONDITIONS
SE555
NE555, SA555,
SE555C
UNIT
MIN
TYP
0.5%
1.5%
MAX
1.5%
MIN
TYP
1%
2.25%
MAX
3%
Initial error of timing interval
Each timer, monostable§
Each timer, astable
Each timer, monostable§
Each timer, astable
Each timer, monostable§
Each timer, astable
TA= 25
TA = 25
°
C
Temperature coefficient
of timing interval
TA= MIN to MAX
TA = MIN to MAX
30
90
100
50
ppm/
°
C
150
0.1
0.3
100
100
Supply
g
of timing interval
TA= 25
TA = 25
°
C
0.05
0.15
100
100
0.2
0.5
%/V
y
Output pulse rise time
Output pulse fall time
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process
run.
§Values specified are for a device in a monostable circuit similar to Figure 9, with component values as follow: RA = 2 k
to 100 k
, C = 0.1
μ
F.
Values specified are for a device in an astable circuit similar to Figure 12, with component values as follow: RA = 1 k
to 100 k
, C = 0.1
μ
F.
CL = 15 pF,
TA = 25
°
C
200
200
300
300
ns
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