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PDF OPA2832 Data sheet ( Hoja de datos )
| Número de pieza | OPA2832 | |
| Descripción | Low-Power / Single-Supply / Wideband Operational Amplifier | |
| Fabricantes | Burr-Brown | |
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OPA830
SBOS263B − AUGUST 2004 − REVISED JANUARY 2005
Low-Power, Single-Supply, Wideband
Operational Amplifier
FEATURES
D HIGH BANDWIDTH:
250MHz (G = +1)
110MHz (G = +2)
D LOW SUPPLY CURRENT: 3.9mA (VS = +5V)
D FLEXIBLE SUPPLY RANGE:
±1.4V to ±5.5V Dual Supply
+2.8V to +11V Single Supply
D INPUT RANGE INCLUDES GROUND ON
SINGLE SUPPLY
D 4.88V OUTPUT SWING ON +5V SUPPLY
D HIGH SLEW RATE: 550V/ns
D LOW INPUT VOLTAGE NOISE: 9.2nV/√Hz
D Pb-FREE SOT23 PACKAGE
APPLICATIONS
D SINGLE-SUPPLY ANALOG-TO-DIGITAL
CONVERTER (ADC) INPUT BUFFERS
D SINGLE-SUPPLY VIDEO LINE DRIVERS
D CCD IMAGING CHANNELS
D LOW-POWER ULTRASOUND
D PLL INTEGRATORS
D PORTABLE CONSUMER ELECTRONICS
374Ω
VIN
+3V
2.26kΩ
OPA830
562Ω
750Ω
+3V
100Ω
22pF
THS1040
10−Bit
30MSPS
DESCRIPTION
The OPA830 is a low-power, single-supply, wideband,
voltage-feedback amplifier designed to operate on a single
+3V or +5V supply. Operation on ±5V or +10V supplies is also
supported. The input range extends below the negative
supply and to within 1.7V of the positive supply. Using
complementary common-emitter outputs provides an output
swing to within 25mV of either supply while driving 150Ω. High
output drive current (±80mA) and low differential gain and
phase errors also make them ideal for single-supply
consumer video products.
Low distortion operation is ensured by the high gain
bandwidth product (110MHz) and slew rate (550V/µs), making
the OPA830 an ideal input buffer stage to 3V and 5V CMOS
ADCs. Unlike other low-power, single-supply amplifiers,
distortion performance improves as the signal swing is
decreased. A low 9.2nV/√Hz input voltage noise supports
wide dynamic range operation.
The OPA830 is available in an industry-standard SO-8
package. The OPA830 is also available in an ultra-small
SOT23-5 package. For fixed-gain line driver applications,
consider the OPA832.
RELATED PRODUCTS
DESCRIPTION
SINGLES DUALS TRIPLES QUADS
Rail-to-Rail
Rail-to-Rail Fixed Gain
General-Purpose
(1800V/µs slew rate)
Low-Noise,
High DC Precision
—
OPA832
OPA690
OPA2830 — OPA4830
OPA2832 OPA3832
—
OPA2690 OPA3690
—
OPA820 OPA2822 — OPA4820
DC-Coupled, +3V ADC Driver
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 Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004−2005, Texas Instruments Incorporated
www.ti.com
1 page  
OPA830
www.ti.com
SBOS263B − AUGUST 2004 − REVISED JANUARY 2005
ELECTRICAL CHARACTERISTICS: VS = +3V
Boldface limits are tested at +25°C.
At TA = 25°C, G = +2, and RL = 150Ω to VS/3, unless otherwise noted (see Figure 2).
PARAMETER
AC PERFORMANCE (see Figure 2)
Small-Signal Bandwidth
Gain-Bandwidth Product
Slew Rate
Rise Time
Fall Time
Settling Time to 0.1%
Harmonic Distortion
2nd-Harmonic
3rd-Harmonic
Input Voltage Noise
Input Current Noise
DC PERFORMANCE(4)
Open-Loop Voltage Gain
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Offset Current
Input Offset Current Drift
CONDITIONS
G = +2, VO ≤ 0.2VPP
G = +5, VO ≤ 0.2VPP
G = +10, VO ≤ 0.2VPP
G ≥ +10
1V Step
0.5V Step
0.5V Step
1V Step
VO = 1VPP, f = 5MHz
RL = 150Ω
RL ≥ 500Ω
RL = 150Ω
RL ≥ 500Ω
f > 1MHz
f > 1MHz
VCM = 1.0V
VCM = 1.0V
OPA830ID, IDBV
TYP
MIN/MAX OVER
TEMPERATURE
+25°C
+25°C(1)
0°C to
70°C(2)
100 72 68
22 17 16
10 8 7
100 80 76
225 140 110
3.3 5.5 5.6
3.3 5.5 5.6
45 72 87
−67 −61 −59
−67 −61 −59
−66 −59 −58
−77 −59 −58
9.2
10.2
10.7
3.5 4.5 5.0
72
±1.5
—
+5
±0.1
—
66 65
±7 ±8.1
±25
+10 +12
±12
±1 ±1.2
±5
UNITS
MHz
MHz
MHz
MHz
V/µs
ns
ns
ns
dBc
dBc
dBc
dBc
nV/√Hz
pA/√Hz
dB
mV
µV/°C
µA
nA/°C
µA
nA/°C
MIN/
MAX
min
min
min
min
min
max
max
max
max
max
max
max
max
max
min
max
max
max
max
max
max
TEST
LEVEL
(3)
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A
A
B
A
B
A
B
INPUT
Least Positive Input Voltage(5)
Most Positive Input Voltage(5)
Common-Mode Rejection Ratio (CMRR)
Input Impedance
Differential-Mode
Common-Mode
Input-Referred
−0.45
1.2
80
10 2.1
4001.2
−0.4
1.1
75
−0.27
1.0
73
V
V
dB
kΩ pF
kΩ pF
max
min
min
typ
typ
A
A
A
C
C
OUTPUT
Least Positive Output Voltage
Most Positive Output Voltage
Current Output, Sourcing
Current Output, Sinking
Short-Circuit Output Current
Closed-Loop Output Impedance
G = +5, RL = 1kΩ to 1.5V
G = +5, RL = 150Ω to 1.5V
G = +5, RL = 1kΩ to 1.5V
G = +5, RL = 150Ω to 1.5V
Output Shorted to Either Supply
See Figure 2, f < 100kHz
0.08
0.17
2.91
2.82
30
30
45
0.06
0.11 0.125 V max
0.39
0.40
V
max
2.88
2.85
V
min
2.74
2.70
V
min
20 18 mA min
20 18 mA min
mA typ
Ω typ
A
A
A
A
A
A
C
C
POWER SUPPLY
Minimum Operating Voltage
Maximum Operating Voltage
Maximum Quiescent Current
Minimum Quiescent Current
Power-Supply Rejection Ratio (PSRR)
VS = +3V
VS = +3V
Input-Referred
+2.8
V min B
+11 +11
V max A
3.7
4.0
4.7
mA max
A
3.7 3.3 3.1 mA min A
64 60 58 dB min A
THERMAL CHARACTERISTICS
Specification: ID, IDBV
Thermal Resistance, qJA
D SO-8
DBV SOT23-5
−40 to +85
125
150
°C
°C/W
°C/W
typ
typ
typ
C
C
C
(1) Junction temperature = ambient for +25°C specifications.
(2) Junction temperature = ambient at low temperature limits; junction temperature = ambient +5°C at high temperature limit for over temperature.
(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 considered positive out of pin.
(5) Tested < 3dB below minimum specified CMRR at ± CMIR limits.
5
5 Page 
OPA830
www.ti.com
SBOS263B − AUGUST 2004 − REVISED JANUARY 2005
TYPICAL CHARACTERISTICS: VS = +5V (continued)
At TA = 25°C, G = +2, RF = 750Ω, RL = 150Ω to VS/2, and input VCM = 2.5V, unless otherwise noted (see Figure 1).
HARMONIC DISTORTION vs LOAD RESISTANCE
−50
−55
−60
2nd−Harmonic
−65
−70
−75
−80 f = 5MHz
VO = 2VPP
−85 G = +2V/V
See Figure 1
−90
100
3rd−Harmonic
Load Resistance (Ω )
1000
HARMONIC DISTORTION vs FREQUENCY
−50
−55
G = +2V/V
VO = 2VPP
−60 See Figure 1
−65
−70
3rd−Harmonic
RL = 150Ω
2nd−Harmonic
RL = 500Ω
−75 2nd−Harmonic
−80 RL = 150Ω
−85
−90
−95
−100
−105
0.1
3rd−Harmonic
RL = 500Ω
1 10
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−45
−50 f = 5MHz
−55
RL = 500Ω
G = +2V/V
Input Limited
−60 See Figure 1
−65
−70
−75
2nd−Harmonic
−80
−85
−90
3rd−Harmonic
−95
−100
0.1
1
Output Voltage Swing (VPP)
10
HARMONIC DISTORTION vs INVERTING GAIN
−55
−60
2nd−Harmonic
−65
−70
−75
−80
−85
1
3rd−Harmonic
Gain ( V/V )
f = 5MHz
RL = 500Ω
VO = 2VPP
10
HARMONIC DISTORTION vs NONINVERTING GAIN
−55
−60
2nd−Harmonic
−65
−70
−75
−80
−85
−90
1
3rd−Harmonic
Gain (V/V)
f = 5MHz
RL = 500Ω
VO = 2VPP
See Figure 1
10
TWO−TONE, 3RD−ORDER INTERMODULATION SPURIOUS
−45
−50 PI
−55
50Ω OPA830
750Ω
PO
500Ω
20MHz
−60
−65
750Ω
10MHz
−70
−75
−80
5MHz
−85
−90
−95
−26 −24 −22 −20 −18 −16 −14 −12 −10 −8 −6 −4 −2
Single−Tone Load Power (dBm)
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet OPA2832.PDF ] | |
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