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參數(shù)資料
| 型號(hào)： | LF351 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Wide Bandwidth JFET-Input Operational Amplifiers.(通用JFET輸入運(yùn)放) |
| 中文描述： | 寬帶JFET輸入運(yùn)算放大器。（通用JFET的輸入運(yùn)放） |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大小： | 56K |
| 代理商： | LF351 |
LF351
WIDE-BANDWIDTH JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS014B – MARCH 1987 – REVISED AUGUST 1994
2–2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC +
Supply voltage, VCC –
3.5
18
V
–3.5
–18
V
electrical characteristics over operating free-air temperature range, V
CC
±
=
±
15 V (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA
25
°
C
Full range
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
VIC= 0
VIC = 0,
RS= 10 k
RS = 10 k
5
10
mV
13
α
VIO
Average temperature coefficient of input offset
voltage
VIC = 0,
RS = 10 k
10
μ
V/
°
C
IIO
Input offset current
VIC= 0
VIC = 0
25
°
C
70
°
C
25
°
C
70
°
C
25
100
pA
4
nA
IIB
Input bias current
VIC= 0
VIC = 0
50
200
pA
8
nA
VICR
Common-mode input voltage range
±
11
–12
to
15
V
VOM
Maximum peak output voltage swing
RL = 10 k
±
12
25
±
13.5
200
V
AVD
Large-signal differential voltage
±
VO=
10 V
RL= 2 k
25
°
C
Full range
V/mV
15
200
1012
ri
CMRR
Input resistance
TJ = 25
°
C
RS
≤
10 k
See Note 2
dB
Common-mode rejection ratio
70
100
kSVR
ICC
Full range is 0
°
C to 70
°
C.
Input bias currents of a FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive. Pulse techniques
must be used that will maintain the junction temperatures as close to the ambient temperature as possible.
NOTE 2: Supply-voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously.
Supply-voltage rejection ratio
70
100
dB
Supply current
1.8
3.4
mA
operating characteristics, V
CC
±
=
±
15 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V/
μ
s
MHz
nV/
√
Hz
pA/
√
Hz
SR
Slew rate
8
13
B1
Vn
In
Unity-gain bandwidth
3
Equivalent input noise voltage
f = 1 kHz,
RS = 20
18
Equivalent input noise current
f = 1 kHz
0.01
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