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| 型號： | OPA691 |
| 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)： | 3/24頁 |
| 文件大?。?/td> | 382K |
| 代理商： | OPA691 |
"#$
SBOS319C SEPTEMBER 2004 REVISED NOVEMBER 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS: V
S
=
±
5V
Boldface
limits are tested at
+25
°
C.
At R
F
= 402
, R
L
= 100
, and G = +2V/V, unless otherwise noted.
OPA694ID, IDBV
MIN/MAX OVER TEMPERATURE
0
°
C to
70
°
C(2)
TYP
PARAMETER
CONDITIONS
+25
°
C
+25
°
C(1)
40
°
C to
+85
°
C(2)
UNITS
MIN/
MAX
TEST
LEVEL(3)
AC PERFORMANCE (see Figure 1)
Small-Signal Bandwidth
G = +1, VO = 0.5VPP, RF = 430
G = +2, VO = 0.5VPP, RF = 402
G = +5, VO = 0.5VPP, RF = 318
G = +10, VO = 0.5VPP, RF = 178
G = +1, VO = 0.5VPP, RF = 430
VO
≤
0.2VPP, RF = 430
G = +2, VO = 2VPP
G = +2, 2V Step
G = +2, VO = 0.2V Step
G = +2, VO = 2V Step
G = +2, VO = 2V Step
G = +2, f = 5MHz, VO = 2VPP
RL = 100
RL
≥
500
RL = 100
RL
≥
500
f > 1MHz
f > 1MHz
f > 1MHz
VO = 1.4VPP, RL = 150
VO = 1.4VPP, RL = 37.5
G = +2, VO = 1.4VPP, RL = 150
VO = 1.4VPP, RL = 37.5
1500
690
250
200
90
2
675
1700
0.8
20
13
MHz
MHz
MHz
MHz
MHz
dB
MHz
V/
μ
s
ns
ns
ns
typ
min
min
min
typ
typ
typ
min
typ
typ
typ
C
B
B
B
C
C
C
B
C
C
C
350
200
150
340
180
130
330
160
120
Bandwidth for 0.1dB Gain Flatness
Peaking at a Gain of +1
Large-Signal Bandwidth
Slew Rate
Rise Time and Fall Time
Settling Time to 0.01%
to 0.1%
Harmonic Distortion
2nd-Harmonic
1300
1275
1250
68
92
72
93
2.1
22
24
0.03
0.05
0.015
0.16
63
87
69
88
2.4
24
26
62
85
67
86
2.8
26
28
61
83
66
84
3.0
28
30
dBc
dBc
dBc
dBc
nV/
√
Hz
pA/
√
Hz
pA/
√
Hz
%
%
°
°
max
max
max
max
max
max
max
typ
typ
typ
typ
B
B
B
B
B
B
B
C
C
C
C
3rd-Harmonic
Input Voltage Noise Density
Inverting Input Current Noise Density
Noninverting Input Current Noise Density
NTSC Differential Gain
NTSC Differential Phase
DC PERFORMANCE(4)
Open-Loop Transimpedance
Input Offset Voltage
Average Input Offset Voltage Drift
Non-inverting Input Bias Current
Average Input Bias Current Drift
Inverting Input Bias Current
Average Input Bias Current Drift
VO = 0V, RL = 100
VCM = 0V
VCM = 0V
VCM = 0V
VCM = 0V
VCM = 0V
VCM = 0V
145
±
0.5
90
±
3.0
65
±
3.7
12
±
26
±
100
±
26
±
150
60
±
4.1
15
±
31
±
150
±
38
±
200
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
±
20
±
2
±
18
INPUT
Common-mode Input Voltage(5) (CMIR)
Common-Mode Rejection Ratio (CMRR)
Noninverting Input Impedance
Inverting Input Resistance
±
2.5
60
±
2.3
55
±
2.2
53
±
2.1
51
V
dB
min
min
typ
typ
A
A
C
C
VCM = 0V
280
1.2
30
k
pF
Open-Loop
OUTPUT
Voltage Output Voltage
No Load
RL = 100
VO = 0V
VO = 0V
G = +2, f =100kHz
±
4
±
3.4
±
80
±
200
0.02
±
3.8
±
3.1
±
60
±
3.7
±
3.1
±
58
±
3.6
±
3.0
±
50
V
V
min
min
min
typ
typ
A
A
A
C
C
Output Current
Short-Circuit Output Current
Closed-Loop Output Impedance
mA
mA
(1)Junction temperature = ambient for +25
°
C specifications.
(2)Junction temperature = ambient at low temperature limits; junction temperature = ambient +9
°
C at high temperature limit for over temperature 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. VCM is the input common-mode voltage.
(5)Tested < 3dB below minimum specified CMRR at
±
CMIR limits.
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| OPA691ID | 功能描述:高速運(yùn)算放大器 Wideband 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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| OPA691IDBVR | 功能描述:高速運(yùn)算放大器 Wideband 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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