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PDF OPA890 Data sheet ( Hoja de datos )
| Número de pieza | OPA890 | |
| Descripción | OPERATIONAL AMPLIFIER | |
| Fabricantes | Burr-Brown | |
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BurrĆBrown Products
from Texas Instruments
OPA890
OPA890
Low-Power, Wideband, Voltage-Feedback
OPERATIONAL AMPLIFIER with Disable
SBOS369 – MAY 2007
FEATURES
• FLEXIBLE SUPPLY RANGE:
+3V to +12V Single Supply
±1.5V to ±6V Dual Supplies
• UNITY-GAIN STABLE
• WIDEBAND +5V OPERATION: 115MHz
(G = +2V/V)
• OUTPUT VOLTAGE SWING: ±4V
• HIGH SLEW RATE: 500V/µs
• LOW QUIESCENT CURRENT: 1.1mA
• LOW DISABLE CURRENT: 30µA
APPLICATIONS
• VIDEO LINE DRIVING
• xDSL LINE DRIVERS/RECEIVERS
• HIGH-SPEED IMAGING CHANNELS
• ADC BUFFERS
• PORTABLE INSTRUMENTS
•www.DataSheet4U.com TRANSIMPEDANCE AMPLIFIERS
• ACTIVE FILTERS
Multiplying DAC Transimpedance Amplifier
+5V
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
VDD GND
½
DAC7822
VREF
R1
RFB
IOUT1
IOUT2
R2
R2_3
R3
-5V
2.5pF
+7.5V
5.56kW
OPA890
VOUT
0V £ VOUT £ 5V
0.1mF -2.5V
DESCRIPTION
The OPA890 represents a major step forward in
unity-gain stable, voltage-feedback op amps. A new
internal architecture provides slew rate and
full-power bandwidth previously found only in
wideband, current-feedback op amps. These
capabilities provide exceptional full power bandwidth.
Using a single +5V supply, the OPA890 can deliver a
1V to 4V output swing with over 35mA drive current
and 220MHz bandwidth. This combination of
features makes the OPA890 an ideal RGB line driver
or single-supply analog-to-digital converter (ADC)
input driver.
The low 1.1mA supply current of the OPA890 is
precisely trimmed at +25°C. This trim, along with low
temperature drift, ensures lower maximum supply
current than competing products. System power may
be reduced further using the optional disable control
pin. Leaving this disable pin open, or holding it
HIGH, operates the OPA890 normally. If pulled
LOW, the OPA890 supply current drops to less than
30µA while the output goes into a high-impedance
state.
RELATED
OPERATIONAL AMPLIFIER
PRODUCTS
DESCRIPTION
Low-Power Voltage-Feedback
with Disable
Voltage-Feedback Amplifier
with Disable (1800V/µs)
Current-Feedback Amplifier
with Disable (2100V/µs)
Fixed Gain
SINGLES
—
OPA690
OPA691
OPA692
DUALS
OPA2890
OPA2690
OPA2691
—
TRIPLES
—
OPA3690
OPA3691
OPA3692
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated
1 page  
OPA890
www.ti.com
SBOS369 – MAY 2007
ELECTRICAL CHARACTERISTICS: VS = +5V
Boldface limits are tested at +25°C.
At RF = 750Ω, G = +2V/V, and RL = 100Ω, unless otherwise noted.
PARAMETER
AC PERFORMANCE
Small-Signal Bandwidth
Gain Bandwidth Product
Bandwidth for 0.1dB Flatness
Peaking at a Gain of +1V/V
Large-Signal Bandwidth
Slew Rate
Rise-and-Fall Time
Settling Time to 0.02%
Settling Time to 0.1%
Harmonic Distortion
2nd-Harmonic
3rd-Harmonic
Input Voltage Noise
Input Current Noise
Differential Gain
Differential Phase
Channel-to-Channel Crosstalk
DC PERFORMANCE(4)
Open-Loop Voltage Gain (AOL)
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Average Input Bias Current Drift
Input Offset Current
Average Input Offset Current Drift
INPUT
Most Positive Input Voltage(5)
Least Positive Input Voltage(5)
Common-Mode Rejection Ratio (CMRR)
Input Impedance
Differential
Common-Mode
OUTPUT
Most Positive Output Voltage
Least Positive Output Voltage
Output Current: Sourcing, Sinking
Short-Circuit Output Current
Closed-Loop Output Impedance
CONDITIONS
G = +1V/V, VO = 100mVPP, RF = 0Ω
G = +2V/V, VO = 100mVPP
G = +10V/V, VO = 100mVPP
G > +20V/V
G = +2V/V, VO = 100mVPP
VO < 100mVPP
G = +2V/V, VO = 2VPP
G = +2V/V, VO = 2V Step
0.2V Step
G = +1V/V, VO = 2V Step
G = +2V/V, f = 1MHz, VO = 2VPP
RL = 200Ω
RL ≥ 500Ω
RL = 200Ω
RL ≥ 500Ω
f > 100kHz
f > 100kHz
G = +2V/V, VO = 1.4VPP, RL = 150Ω
G = +2V/V, VO = 1.4VPP, RL = 150Ω
f = 5MHz, Input-Referred
VO = VS/2, RL = 100Ω
VCM = VS/2
VCM = VS/2
VCM = VS/2
VCM = VS/2
VCM = VS/2
VCM = VS/2
VCM = VS/2, Input-Referred
VCM = VS/2
VCM = VS/2
No Load
RL = 100Ω
No Load
RL = 100Ω
VO = VS/2
Output Shorted to Ground
G = +2V/V, f = 100kHz
TYP
+25°C
220
105
12
125
16
2
130
350
3.8
18
12
-85
-90
-85
-87
8.1
1.1
0.06
0.04
-68
60
±1
±0.1
±70
+4
+1
65
190 || 0.6
3.2 || 0.9
+4.0
+3.9
+1.0
+1.1
±35
±65
0.04
OPA890ID, IDBV
MIN/MAX OVER TEMPERATURE
+25°C (2)
0°C to
+70°C (3)
–40°C to
+85°C (3)
UNITS
70 60 55
8 6.8 6.3
90 75 70
250 200 175
MHz
MHz
MHz
MHz
MHz
dB
MHz
V/µs
ns
ns
ns
-76 -73 -72
dBc
-78 -74 -73
dBc
-81 -79 -78
dBc
-84 -82 -81
dBc
9.1
10.1
11.1
nV/√Hz
1.4 1.7 2.0 pA/√Hz
%
°
dB
55
±5
±1.7
±400
54
±5.7
±15
±1.9
±5
±500
±2.5
52
±6
±15
±2.1
±6
±550
±2.5
dB
mV
µV/°C
µA
nA/°C
nA
nA/°C
+3.8
+1.2
59
+3.75
+1.2
56
+3.7
+1.3
55
V
V
dB
kΩ || pF
MΩ || pF
+3.9
+3.75
+1.1
+1.35
±30
+3.85
+3.7
+1.15
+1.4
±28
+3.8
+3.65
+1.2
+1.45
±25
V
V
V
V
mA
mA
Ω
MIN/
MAX
typ
min
min
min
typ
typ
typ
min
typ
typ
typ
max
max
max
max
max
max
typ
typ
typ
min
max
max
max
max
max
max
min
max
min
typ
typ
min
min
max
max
min
typ
typ
TEST
LEVEL (1)
C
B
B
B
C
C
C
B
C
C
C
B
B
B
B
B
B
C
C
C
A
A
B
A
B
A
B
A
A
A
C
C
A
A
A
A
A
C
C
(1) Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2) Junction temperature = ambient for +25°C tested specifications.
(3) Junction temperature = ambient at low temperature limit; junction temperature = ambient +2°C at high temperature limit for over
temperature specifications.
(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
Submit Documentation Feedback
5
5 Page 
OPA890
www.ti.com
SBOS369 – MAY 2007
TYPICAL CHARACTERISTICS: VS = ±5V, Differential
At TA = +25°C, Differential Gain = +2V/V, RF = 750Ω, and RL = 400Ω, unless otherwise noted.
DIFFERENTIAL SMALL-SIGNAL FREQUENCY RESPONSE
3
GD = 1V/V
0
-3
-6
-9
-12
-15 RF = 750W
-18 RL = 400W
1
GD = 2V/V
GD = 5V/V
GD = 10V/V
10
Frequency (MHz)
Figure 25.
100
300
DIFFERENTIAL LARGE-SIGNAL FREQUENCY RESPONSE
9
6
GD = 5VPP
3
0
-3
-6
-9
1
GD = 14VPP
GD = 8VPP
10
Frequency (MHz)
Figure 26.
100
300
DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
-70
-75
3rd Harmonic
-80
-85
-90
-95
-100
-105
2nd Harmonic
-110
-115
-120
VO = 4VPP
f = 1MHz
GD = 2V/V
100
1k
Load Resistance (W)
Figure 27.
DIFFERENTIAL DISTORTION vs FREQUENCY
-30
-40
RL = 400W
GD = 2V/V
-50
3rd Harmonic
-60
-70
-80
2nd Harmonic
-90
-100
-110
-120
1
Frequency (MHz)
10
20
Figure 28.
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
-75
RL = 400W
-80 f = 1MHz
GD = 2V/V
-85
3rd Harmonic
-90
-95
-100
-105
2nd Harmonic
-110
0.1
1
Output Voltage (VPP)
Figure 29.
10
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11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet OPA890.PDF ] | |
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