參數(shù)資料
型號： OPA678
英文描述： Wideband Switched-Input OPERATIONAL AMPLIFIER
中文描述： 寬帶開關(guān)輸入運算放大器
文件頁數(shù)： 2/14頁
文件大?。?/td> 279K
代理商： OPA678
OPA678
2
SPECIFICATIONS
ELECTRICAL
At V
CC
=
±
5VDC, R
L
= 150
, C
COMP
= 5pF, and T
A
= +25
°
C, unless otherwise noted.
OPA678AP, AU
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT NOISE
(1)
Voltage: f
O
= 100Hz
f
O
= 1kHz
f
O
= 10kHz
f
O
= 100kHz
f
B
= 10Hz to 10MHz
Current: f
O
= 10Hz to 1MHz
R
S
= 0
55
21
7.8
4.9
18
2.1
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
μ
Vrms
pA/
√
Hz
OFFSET VOLTAGE
(1)
Input Offset Voltage
Offset Voltage Drift
Supply Rejection
V
CM
= 0VDC
T
A
= T
MIN
to T
MAX
±
V
CC
= 4.5V to 5.5V
±
380
±
3
71
±
1.5mV
±
15
μ
V
μ
V/
°
C
dB
65
BIAS CURRENT
(1)
Input Bias Current
V
CM
= 0VDC
14
50
μ
A
OFFSET CURRENT
(1)
Input Offset Current
V
CM
= 0VDC
0.2
2
μ
A
INPUT IMPEDANCE
(1)
Differential
Common-Mode
25k
2
10
6
5
pF
pF
INPUT VOLTAGE RANGE
(1)
Common-Mode Input Range
Common-Mode Rejection
2.0
75
±
2.5
85
V
dB
V
IN
=
±
0.5VDC, V
O
=
±
1.25V
OPEN-LOOP GAIN, DC
(1)
Open-Loop Voltage Gain
50
60
dB
FREQUENCY RESPONSE
Closed-Loop Bandwidth
Gain = +1V/V, C
C
= 9pF
Gain = +2V/V, C
C
= 7pF
Gain = +5V/V, C
= 1pF
Gain = +1V/V, f = 100kHz
140
200
100
70
–102
–83
–64
–44
MHz
MHz
MHz
dBC
(2)
dBC
dBC
dBC
Crosstalk
f = 1MHz
f = 10MHz
f = 100MHz
Harmonic Distortion: 5MHz
G = +1V/V, R
= 150
, V
= 0.25Vp-p
Second Harmonic
Third Harmonic
V
O
= 2.5Vp-p, Gain = +1V/V
Gain = +1V/V
Gain = –1V/V, 1V
OUT
Step
–71
–82
45
350
11
22
30
0.02
0.02
dBC
(3)
dBC
MHz
V/
μ
s
ns
ns
ns
%
Degrees
Large Signal Response
(4)
Slew Rate
Settling Time: 1%
32
250
0.1%
0.01%
Differential Gain (0V to 0.7V)
Differential Phase (0V to 0.7V)
4.5MHz, Gain = +2V/V, C
C
= 2.2pF
4.5MHz, Gain = +2V/V, C
C
= 2.2pF
INPUT SELECTION
(5)
Transition Time
50% In to 50% Out
ECL: Operation
TTL: Operation
4
4
8
8
ns
ns
DIGITAL INPUT
TTL Logic Levels: V
IL
Logic “LO”
Logic “HI”
Logic “LO”, V
= 0V
Logic “HI”, V
= +2.7V
Logic “LO”
Logic “HI”
Logic “LO”, V
IL
= –1.6V
Logic “HI”, V
IH
= –1.0V
0
+0.8
+5
–0.2
20
–1.475
– 0.88
–100
–100
V
V
V
IH
I
IL
I
IH
+2.0
–0.05
1
mA
μ
A
V
V
μ
A
μ
A
ECL Logic Levels:V
IL
–1.81
–1.15
V
IH
I
IL
I
IH
–50
–50
RATED OUTPUT
Voltage Output
R
L
= 150
R
L
= 50
±
2.5
±
1.7
±
30
±
3.75
±
2.2
±
44
5
17
+45
V
V
Current Output
Output Resistance
Load Capacitance Stability
Short Circuit Current
mA
pF
mA
1MHz, Open-Loop, C
= 5pF
R
F
= 100
, Gain = +1V/V, C
C
= 10pF
Continuous to Gnd
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA678AP 制造商:BB 制造商全稱:BB 功能描述:Wideband Switched-Input OPERATIONAL AMPLIFIER
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OPA680 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
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