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OPA698 Folha de dados(PDF) 5 Page - Texas Instruments

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Nome de Peças OPA698
Descrição Electrónicos  Unity-Gain Stable, Wideband Voltage Limiting Amplifier
PDF  27 Pages
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

OPA698 Folha de dados(HTML) 5 Page - Texas Instruments

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OPA698
5
SBOS258B
www.ti.com
AC PERFORMANCE (see Figure 2)
Small-Signal Bandwidth
VO < 0.2VPP
G = +1, RF = 25Ω
375
MHz
typ
C
G = +2
200
150
145
140
MHz
min
B
G = –1
200
MHz
typ
C
Gain-Bandwidth Product (G
≥ +5)
VO < 0.2VPP
230
170
165
155
MHz
min
B
Gain Peaking
G = +1, RF = 25Ω, VO < 0.2VPP
7
dB
typ
C
0.1dB Gain Flatness Bandwidth
VO < 0.2VPP
30
MHz
typ
C
Large-Signal Bandwidth
VO = 2VPP
200
120
110
100
MHz
min
B
Step Response:
Slew Rate
2V Step
820
560
550
500
V/
µsmin
B
Rise-and-Fall Time
0.2V Step
1.9
2.3
2.4
2.5
ns
max
B
Settling Time: 0.05%
1V Step
12
ns
typ
C
Harmonic Distortion: 2nd
f = 5MHz, VO = 2VPP
69
63
62
61
dB
min
B
3rd
f = 5MHz, VO = 2VPP
73
69
68
67
dB
min
B
Input Noise:
Voltage Noise Density
f
≥ 1MHz
5.7
nV/
√Hz
typ
C
Current Noise Density
f
≥ 1MHz
2.3
pA/
√Hz
typ
C
DC PERFORMANCE
VCM = 2.5V
Open-Loop Voltage Gain (AOL)VO = ±0.5V
60
54
52
51
dB
min
A
Input Offset Voltage
±1
±6
±7
±8mV
max
A
Average Drift
—
±15
±15
µV/°Cmax
B
Input Bias Current(4)
+3
±10
±11
±12
µAmax
A
Average Drift
—
±25
±25
nA/
°Cmax
B
Input Offset Current
±0.4
±2
±2.5
±3
µAmax
A
Average Drift
—
±15
±15
nA/
°Cmax
B
INPUT
Common-Mode Rejection
Input Referred, VCM = ±0.5V
58
54
53
52
dB
min
A
Common-Mode Input Range(5)
VCM ± 0.8 VCM ± 0.7 VCM ± 0.7 VCM ± 0.6
V
min
A
Input Impedance
Differential-Mode
0.32 || 1
M
Ω || pF
typ
C
Common-Mode
3.5 || 1
M
Ω || pF
typ
C
OUTPUT
VH = VCM +1.8V, VL = VCM – 1.8V
Output Voltage Range
RL ≥ 500Ω
VCM ± 1.6 VCM ± 1.4 VCM ± 1.4 VCM ± 1.3
V
min
A
Current Output, Sourcing
VO = 2.5V
+70
+60
+55
+50
mA
min
A
Sinking
VO = 2.5V
–70
–60
–55
–50
mA
min
A
Closed-Loop Output Impedance
G = +1, RF = 25Ω, f < 100kHz
0.2
Ω
typ
C
POWER SUPPLY
Single-Supply Operation
Operating Voltage, Specified
+5
V
typ
C
Maximum
—
+12
+12
+12
V
max
A
Quiescent Current, Maximum
VS = +5V
14.3
14.9
15.1
15.3
mA
max
A
Minimum
VS = +5V
14.3
13.6
13.4
13.2
mA
min
A
Power-Supply Rejection Ratio
VS = 4.5V to 5.5V
+PSRR (Input Referred)
70
dB
typ
C
OUTPUT VOLTAGE LIMITERS
Maximum Limiter Voltage
Pins 5 and 8
+3.9
V
typ
C
Minimum Limiter Voltage
Pins 5 and 8
+1.1
V
typ
C
Default Limiter Voltage
Limiter Pins Open
VCM ± 1.1 VCM ± 0.8 VCM ± 0.7 VCM ± 0.6
V
min
B
Minimum Limiter Separation (VH – VL)
400
400
400
400
mV
min
B
Maximum Limit Voltage
—
VCM ± 1.8 VCM ± 1.8 VCM ± 1.8
V
max
B
Limiter Input Bias Current Magnitude(6)
VO = 2.5V
16
µA
typ
C
Limiter Input Impedance
3.4 || 1
M
Ω || pF
typ
C
Limiter Feedthrough(7)
f = 5MHz
–60
dB
typ
C
DC Performance in Limit Mode
VIN = VCM ± 1.2V
Limiter Voltage Accuracy
(VO – VH) or (VO – VL)
±15
±30
±35
±40
mV
max
A
Op Amp Bias Current Shift(4)
Linear to Limited Output
5
µA
typ
C
AC Performance in Limit Mode
Limiter Small-Signal Bandwidth
VIN = VCM ± 1.2V, VO < 0.02VPP
450
MHz
typ
C
Limiter Slew Rate(8)
2x Overdrive, VH or VL
100
V/
µs
typ
C
ELECTRICAL CHARACTERISTICS: VS = +5V
Boldface limits are tested at +25
°C.
G = +2, RL = 500Ω tied to VCM = 2.5V, RF = 402Ω, VL = VCM –1.2V, and VH = VCM +1.2V (see Figure 2 for AC performance only), unless otherwise noted.
OPA698ID
TYP
MIN/MAX OVER TEMPERATURE
0
°C to
–40
°C to
MIN/
TEST
PARAMETER
CONDITIONS
+25
°C
+25
°C(1) +70°C(2) +85°C(2)
UNITS
MAX LEVEL(3)



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