參數(shù)資料
型號(hào)： OPA4684
英文描述： Wideband, Low-Power, Current Feedback Operational Amplifier
中文描述： 寬帶，低功耗，電流反饋運(yùn)算放大器
文件頁數(shù)： 3/26頁
文件大小： 455K
代理商： OPA4684
OPA4684
SBOS240B
3
www.ti.com
AC PERFORMANCE (See Figure 1)
Small-Signal Bandwidth (V
O
= 0.5Vp-p)
G = +1, R
F
= 800
G = +2, R
F
= 800
G = +5, R
F
= 800
G = +10, R
F
= 800
G = +20, R
= 800
G = +2, V
= 0.5Vp-p, R
= 800
R
F
= 800
, V
O
= 0.5Vp-p
G = +2, V
O
= 4Vp-p
G =
–
1, V
O
= 4V Step
G = +2, V
O
= 4V Step
G = +2, V
O
= 0.5V Step
G = +2, V
= 4VStep
G = +2, f = 5MHz, V
O
= 2Vp-p
R
L
= 100
R
L
≥
1k
R
L
= 100
R
≥
1k
f > 1MHz
f > 1MHz
f > 1MHz
G = +2, NTSC, V
O
= 1.4Vp, R
L
= 150
G = +2, NTSC, V
= 1.4Vp, R
= 150
3 Channels Driven at 5MHz, 1Vp-p
4th Channel Measured
250
170
138
120
95
19
1.4
90
780
750
3
6.8
MHz
MHz
MHz
MHz
MHz
MHz
dB
MHz
V/
μ
s
V/
μ
s
ns
ns
typ
min
typ
typ
typ
min
max
typ
min
min
typ
typ
C
B
C
C
C
B
B
C
B
B
C
C
120
118
117
Bandwidth for 0.1dB Gain Flatness
Peaking at a Gain of +1
Large-Signal Bandwidth
Slew Rate
16
4.8
14
5.9
14
6.3
675
680
650
660
575
650
Rise-and-Fall Time
Harmonic Distortion
2nd-Harmonic
–
67
–
82
–
70
–
84
3.7
9.4
17
0.04
0.02
–
52
–
59
–
66
–
66
–
82
4.1
11
18
–
59
–
65
–
65
–
81
4.2
12
18.5
–
58
–
65
–
65
–
81
4.4
12.5
19
dBc
dBc
dBc
dBc
nV/
√
Hz
pA/
√
Hz
pA/
√
Hz
%
deg
dB
max
max
max
max
max
max
max
typ
typ
typ
B
B
B
B
B
B
B
C
C
C
3rd-Harmonic
Input Voltage Noise
Noninverting Input Current Noise
Inverting Input Current Noise
Differential Gain
Differential Phase
All Hostile Crosstalk, Input Referred
DC PERFORMANCE
(4)
Open-Loop Transimpedance Gain (Z
OL
)
Input Offset Voltage
Average Offset Voltage Drift
Noninverting Input Bias Current
Average Noninverting Input Bias Current Drift
Inverting Input Bias Current
Average Inverting Input Bias Current Drift
V
O
= 0V, R
= 1k
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
355
±
1.5
160
±
4.0
155
±
4.6
±
12
±
14.5
±
25
±
18.5
±
35
153
±
4.8
±
12
±
15
±
30
±
19.5
±
40
k
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
±
5.0
±
13
±
5.0
±
17
INPUT
Common-Mode Input Range
(5)
(CMIR)
Common-Mode Rejection Ratio (CMRR)
Noninverting Input Impedance
Inverting Input Resistance
(
R
I
)
OUTPUT
Voltage Output Swing
Current Output, Sourcing
Current Output, Sinking
Closed-Loop Output Impedance
±
3.75
60
50 || 2
4.0
±
3.65
53
±
3.65
52
±
3.6
52
V
dB
min
min
typ
typ
A
A
C
C
V
CM
= 0V
k
|| pF
Open-Loop, DC
1k
Load
V
O
= 0
V
= 0
G = +2, f = 100kHz
±
4.1
160
–
120
0.006
±
3.9
120
–100
±
3.9
115
–
95
±
3.8
110
–
90
V
min
min
min
typ
A
A
A
C
mA
mA
POWER SUPPLY
Specified Operating Voltage
Maximum Operating Voltage Range
Max Quiescent Current
Min Quiescent Current
Power-Supply Rejection Ratio (
–
PSRR)
±
5
V
V
typ
max
max
min
typ
C
A
A
A
A
±
6
7.2
6.4
54
±
6
7.6
6.2
53
±
6
7.8
5.8
53
V
S
=
±
5V
V
=
±
5V
Input Referred
6.8
6.8
60
mA
mA
dB
TEMPERATURE RANGE
Specification: ID, IPW
Thermal Resistance,
θ
JA
D
SO-14
PW
TSSOP-14
–
40 to +85
°
C
typ
C
Junction-to-Ambient
100
110
°
C/W
°
C/W
typ
typ
C
C
NOTES: (1) Junction temperature = ambient for 25
°
C tested specifications. (2) Junction temperature = ambient at low temperature limit, junction temperature = ambient
+7
°
C at high temperature limit for over temperature tested specifications. (3) 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. (4) Current is considered positive out-of-node. V
CM
is the input
common-mode voltage. (5) Tested < 3dB below minimum specified CMR at
±
CMIR limits.
OPA4684ID, IPW
0
°
C to
70
°
C
(2)
–40
°
C to
+85
°
C
(2)
MIN/
MAX
LEVEL
(3)
TEST
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(1)
UNITS
TYP
MIN/MAX OVER TEMPERATURE
ELECTRICAL CHARACTERISTICS: V
S
=
±
5V
Boldface
limits are tested at
+25
°
C.
R
F
= 800
, R
L
= 100
, and G = +2
,
(see Figure 1 for AC performance only), unless otherwise noted.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA4684ID 功能描述:高速運(yùn)算放大器 Quad Low-Power Current Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA4684IDBW 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUAD LOW-POWER CURRENT-FEEDBACK OPERATIONAL AMPLIFIER
OPA4684IDG4 功能描述:高速運(yùn)算放大器 Quad Low-Power Current Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA4684IDR 功能描述:高速運(yùn)算放大器 Quad Low-Power Current Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA4684IDRG4 功能描述:高速運(yùn)算放大器 Quad Low-Power Current Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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