參數(shù)資料
型號: OPA687N
英文描述: Wideband, Ultra-Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER With Power Down
中文描述: 寬帶,超低噪聲,電壓反饋運算放大器打倒電源
文件頁數(shù): 2/16頁
文件大小: 172K
代理商: OPA687N
2
OPA687
OPA687U, N
TYP
GUARANTEED
0
°
C to
70
°
C
(3)
–40
°
C to
+85
°
C
(3)
MIN/
MAX
LEVEL
(1)
TEST
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(2)
UNITS
SPECIFICATIONS: V
S
=
±
5V
R
L
= 100
, R
F
= 750
,
and R
G
= 39.2
, G = +20 (Figure 1 for AC performance only), unless otherwise noted.
NOTES: (1) Test Levels: (A) 100% tested at 25
°
C. Over temperature limits by characterization and simulation. (B) Limits set by characterization and simulation.
(C) Typical value only for information. (2) Junction temperature = ambient for +25
°
C guaranteed specifications. (3) Junction temperature = ambient at low temperature
limit: junction temperature = ambient +23
°
C at high temperature limit for over temperature guaranteed specifications. (4) Current is considered positive out of node. V
CM
is the input common-mode voltage. (5) Tested <3dB below minimum specified CMRR at
±
CMIR limits.
AC PERFORMANCE (Figure 1)
Closed-Loop Bandwidth
G = +12, R
G
= 39.2
, V
O
= 200mVp-p
G = +20, R
G
= 39.2
, V
O
= 200mVp-p
G = +50, R
G
= 39.2
, V
O
= 200mVp-p
G
+50
G = +20, R
L
= 100
600
290
75
3800
35
3
MHz
MHz
MHz
MHz
MHz
dB
typ
min
min
min
min
max
C
B
B
B
B
B
180
60
3000
24
8
160
54
2700
20
10
140
48
2400
18
14
Gain Bandwidth Product
Bandwidth for 0.1dB Gain Flatness
Peaking at a Gain of +12
Harmonic Distortion
2nd Harmonic
G = +20, f = 5MHz, V
O
= 2Vp-p
R
L
= 100
R
L
= 500
R
L
= 100
R
= 500
G = +20, f = 20MHz
f > 1MHz
f > 1MHz
–74
–95
–108
–110
43
0.95
2.5
–70
–90
–95
–105
40
1.1
3.2
–68
–88
–90
–100
39
1.15
3.3
–65
–85
–85
–95
37
1.3
3.5
dBc
dBc
dBc
dBc
dBm
nV/
Hz
pA/
Hz
max
max
max
max
min
max
max
B
B
B
B
B
B
B
3rd Harmonic
Two-Tone, 3rd-Order Intercept
Input Voltage Noise Density
Input Current Noise Density
Pulse Response
Rise/Fall Time
Slew Rate
Settling Time to 0.01%
0.2V Step
2V Step
2V Step
2V Step
2V Step
1.2
900
17
15
8
2.0
675
2.2
550
2.5
450
ns
V/
μ
s
ns
ns
ns
max
min
typ
max
max
B
B
C
B
B
0.1%
1%
18
11
20
13
25
17
DC PERFORMANCE
(4)
Open-Loop Voltage Gain (A
OL
)
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Bias Current Drift (magnitude)
Input Offset Current
Input Offset Current Drift
V
O
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
85
±
0.1
78
±
1
75
±
1.2
5
–36
–50
±
1.5
±
12
70
±
1.6
10
–40
–100
±
1.8
±
15
dB
mV
μ
V/
°
C
μ
A
nA/
°
C
μ
A
nA/
°
C
min
max
max
max
max
max
max
A
A
B
A
B
A
B
–20
–33
±
0.2
±
1.0
INPUT
Common-Mode Input Range (CMIR)
(5)
Common-Mode Rejection Ratio (CMRR)
Input Impedance
Differential
Common-Mode
±
3.2
100
±
3.0
88
±
2.9
83
±
2.8
78
V
dB
min
min
A
A
V
CM
=
±
0.5V, Input Referred
V
CM
= 0V
V
CM
= 0V
2.5 || 2.5
1.0 || 1.2
k
|| pF
M
|| pF
typ
typ
C
C
OUTPUT
Output Voltage Swing
400
Load
100
Load
V
O
= 0V
V
= 0V
G = +20, f = < 100kHz
±
3.6
±
3.5
80
–80
0.006
±
3.3
±
3.2
60
–60
±
3.1
±
2.9
50
–50
±
3.0
±
2.8
40
–40
V
V
min
min
min
min
typ
A
A
A
A
C
Current Output, Sourcing
Current Output, Sinking
Closed-Loop Output Impedance
mA
mA
POWER SUPPLY
Specified Operating Voltage
Maximum Operating Voltage
Quiescent Current, max
Quiescent Current, min
Power Supply Rejection Ratio
+PSRR, –PSRR
±
5
±
6
18.5
18.5
V
V
typ
max
max
min
C
A
A
A
±
6
19
18
±
6
19.5
17.5
±
6
20.5
16
V
S
=
±
5V
V
S
=
±
5V
mA
mA
|V
S
| = 4.5V to 5.5V, Input Referred
(Pin 8 SO-8; Pin 5 on SOT23-6)
85
80
78
75
dB
min
A
POWER-DOWN (Disabled Low)
Power-Down Quiescent Current (+V
S
)
On Voltage (Enabled High or Floated)
Off Voltage (Disabled Asserted Low)
Power-Down Pin Input Bias Current
Power-Down Time
Power-Up Time
Off Isolation
–225
3.3
1.8
100
200
60
70
–300
3.5
1.7
160
–350
3.6
1.6
160
–400
3.7
1.5
160
μ
A
V
V
μ
A
ns
ns
dB
max
min
max
max
typ
typ
typ
A
A
A
A
C
C
C
(V
DIS
= 0)
5MHz, Input to Output
THERMAL
Specification U, N
Thermal Resistance,
θ
JA
U 8-Pin, SO-8
N 6-Pin, SOT23
–40 to +85
°
C
typ
C
Junction to Ambient
125
150
°
C/W
°
C/W
typ
typ
C
C
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