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PDF OPA2890 Data sheet ( Hoja de datos )
| Número de pieza | OPA2890 | |
| Descripción | Voltage-Feedback OPERATIONAL AMPLIFIER | |
| Fabricantes | Burr-Brown | |
| Logotipo |  |
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BurrĆBrown Products
from Texas Instruments
OPA2890
OPA2890
OPA2890
SBOS364A – DECEMBER 2007 – REVISED DECEMBER 2007
Low-Power, Wideband, Voltage-Feedback
OPERATIONAL AMPLIFIER with Disable
FEATURES
1
•2 FLEXIBLE SUPPLY RANGE:
+3V to +12V Single Supply
±1.5V to ±6V Dual Supplies
• UNITY-GAIN STABLE
• WIDEBAND +5V OPERATION: 90MHz
(G = 2V/V)
• OUTPUT VOLTAGE SWING: ±4.1V
• HIGH SLEW RATE: 400V/µs
• LOW QUIESCENT CURRENT: 1.1mA/ch
• LOW DISABLE CURRENT: 30µA/ch
APPLICATIONS
• VIDEO LINE DRIVING
• xDSL LINE DRIVERS/RECEIVERS
• HIGH-SPEED IMAGING CHANNELS
• ADC BUFFERS
• PORTABLE INSTRUMENTS
• TRANSIMPEDANCE AMPLIFIERS
• ACTIVE FILTERS
VI
0V ® 4V
1kW
500pF
50W
200W
+6V
1/2
OPA2890
+5V
ADS8472
16W
-6V
200W
750W
750W
0.01mF
16-Bit
1MSPS
SAR ADC
VREF/2
375W
+6V
1/2
OPA2890
-6V
16W
500kHz LP
Pole
Low Power, DC-Coupled, Single-to-Differential
Driver for ≤100kHz Inputs
DESCRIPTION
The OPA2890 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 give
exceptional single-supply operation. Using a single
+5V supply, the OPA2890 can deliver a 0.9V to 4.1V
output swing with over 30mA drive current and
210MHz bandwidth. This combination of features
makes the OPA2890 an ideal RGB line driver or
single-supply analog-to-digital converter (ADC) input
driver.
The low 1.1mA/ch supply current of the OPA2890 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 (MSOP-10 package only). Leaving this disable pin
open, or holding it high, operates the OPA2890
normally. If pulled low, the OPA2890 supply current
drops to less than 30µA/ch while the output goes into
a high-impedance state.
RELATED
OPERATIONAL AMPLIFIER
PRODUCTS
Low-power voltage-feedback
with disable
Very low-power
voltage-feedback with disable
Voltage-feedback amplifier
with disable (1800V/µs)
SINGLES
OPA890
DUALS
OPA2889
OPA690 OPA2690
TRIPLES
OPA3690
1
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.
2
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  
OPA2890
www.ti.com
SBOS364A – DECEMBER 2007 – REVISED DECEMBER 2007
ELECTRICAL CHARACTERISTICS: VS = +5V
At RF = 0Ω, G = +1V/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
210
90
12
120
15
0.2
100
350
3.8
18
12
80
87
83
86
8.1
1.1
0.06
0.04
-68
60
±2
±0.1
±70
+4
+1
65
190 || 0.6
3.2 || 0.9
+4.1
+3.9
+0.9
+1.1
±35
±65
0.04
OPA2890ID, IDGS
MIN/MAX OVER TEMPERATURE
+25°C (2)
0°C to
+70°C (3)
–40°C to
+85°C (3)
55 45 40
8 6.8 6.3
85 70 68
250 200 175
71 68 67
75 71 70
79 77 76
83 81 80
9.1
10.1
11.1
1.4 1.7 2.0
55
±5
±1.7
±400
+3.8
+1.2
59
54
±6.6
±35
±1.9
±5
±500
±2.5
+3.75
+1.2
56
52
±7.1
±35
±2.1
±6
±550
±2.5
+3.7
+1.3
55
+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
UNITS
MHz
MHz
MHz
MHz
MHz
dB
MHz
V/µs
ns
ns
ns
dBc
dBc
dBc
dBc
nV/√Hz
pA/√Hz
%
°
dB
dB
mV
µV/°C
µA
nA/°C
nA
nA/°C
V
V
dB
kΩ || pF
MΩ || pF
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
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): OPA2890
Submit Documentation Feedback
5
5 Page 
OPA2890
www.ti.com
SBOS364A – DECEMBER 2007 – REVISED DECEMBER 2007
TYPICAL CHARACTERISTICS: VS = ±5V (continued)
At TA = +25°C, G = +2V/V, RF = 750Ω, and RL = 200Ω, unless otherwise noted. See Figure 49.
-70
-75 VDIS = 0
-80
-85
-90
-95
-100
-105
-110
-115
-120
1
DISABLE FEEDTHROUGH
10
Frequency (MHz)
Figure 25.
100
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): OPA2890
Submit Documentation Feedback
11
11 Page | ||
| Páginas | Total 35 Páginas | |
| PDF Descargar | [ Datasheet OPA2890.PDF ] | |
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