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OPA2631 반도체 회로 부품 판매점

Dual / Low Power / Single-Supply OPERATIONAL AMPLIFIER



Burr-Brown 로고
Burr-Brown
OPA2631 데이터시트, 핀배열, 회로
®
OPA2631
OPA2631
For most current data sheet and other product
information, visit www.burr-brown.com
TM Dual, Low Power, Single-Supply
OPERATIONAL AMPLIFIER
FEATURES
q HIGH BANDWIDTH: 75MHz (G = +2)
q LOW SUPPLY CURRENT: 6mA/ch
q +3V AND +5V OPERATION
q INPUT RANGE INCLUDES GROUND
q 4.8V OUTPUT SWING ON +5V SUPPLY
q HIGH SLEW RATE: 100V/µs
q LOW INPUT VOLTAGE NOISE: 6nV/Hz
APPLICATIONS
q DIFFERENTIAL RECEIVERS/DRIVERS
q ACTIVE FILTERS
q MATCHED I AND Q CHANNEL AMPLIFIERS
q CCD IMAGING CHANNELS
q LOW POWER ULTRASOUND
q PORTABLE CONSUMER ELECTRONICS
SPICE model available at www.burr-brown.com
DESCRIPTION
The OPA2631 is a dual, low power, 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 ground and
to within 1V of the positive supply. Using complemen-
tary common-emitter outputs provides an output swing
to within 30mV of ground and 130mV of the positive
supply. The high output drive current and low differen-
tial gain and phase errors also make it ideal for single-
supply consumer video products.
Low distortion operation is ensured by the high gain
bandwidth (68MHz) and slew rate (100V/µs), making
the OPA2631 an ideal input buffer stage to 3V and 5V
CMOS converters. Unlike other low power, single-
supply amplifiers, distortion performance improves as
the signal swing is decreased. A low 6nV/Hz input
voltage noise supports wide dynamic range operation.
The OPA2631 is available in an industry standard
SO-8 package. Where a single channel, single-supply
operational amplifier is required, consider the OPA631
and OPA632. Where higher full-power bandwidth and
lower distortion are required, consider the OPA2634.
374
VIN
+3V
2.26k
1/2
OPA2631
562
750
100
+3V
22pF
ADS901
10-Bit
20Msps
RELATED PRODUCTS
Medium Speed, No Disable
With Disable
High Speed, No Disable
With Disable
SINGLES
OPA631
OPA632
OPA634
OPA635
DUALS
OPA2631
OPA2634
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation
PDS-1378A
Printed in U.S.A. August, 1999


OPA2631 데이터시트, 핀배열, 회로
SPECIFICATIONS: VS = +5V
At TA = 25°C, G = +2, RF = 750, and RL = 150to VS /2, unless otherwise noted.
PARAMETER
CONDITIONS
AC PERFORMANCE (Figure 1)
Small-Signal Bandwidth
Gain Bandwidth Product
Peaking at a Gain of +1
Slew Rate
Rise Time
Fall Time
Settling Time to 0.1%
Spurious Free Dynamic Range
Input Voltage Noise
Input Current Noise
NTSC Differential Gain
NTSC Differential Phase
Channel-to-Channel Isolation
G = +2, VO 0.5Vp-p
G = +5, VO 0.5Vp-p
G = +10, VO 0.5Vp-p
G +10
VO 0.5Vp-p
G = +2, 2V Step
0.5V Step
0.5V Step
G = +2, 1V Step
VO = 2Vp-p, f = 5MHz
VO = 2Vp-p, f = 1MHz, RL = 1k
f > 1MHz
f > 1MHz
Input Referred, f = 5MHz
DC PERFORMANCE
Open-Loop Voltage Gain
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Offset Current Drift
VCM = 2.0V
VCM = 2.0V
INPUT
Least Positive Input Voltage
Most Positive Input Voltage
Common-Mode Rejection Ratio (CMRR)
Input Impedance
Differential-Mode
Common-Mode
Input Referred
OUTPUT
Least Positive Output Voltage
Most Positive Output Voltage
Current Output, Sourcing
Current Output, Sinking
Short-Circuit Current (output shorted to either supply)
Closed-Loop Output Impedance
RL = 1kto 2.5V
RL = 150to 2.5V
RL = 1kto 2.5V
RL = 150to 2.5V
Figure 1, f 50kHz
POWER SUPPLY
Minimum Operating Voltage
Maximum Operating Voltage
Maximum Quiescent Current
Minimum Quiescent Current
Power Supply Rejection Ratio (PSRR)
VS = +5V
V = +5V
Input Referred
THERMAL CHARACTERISTICS
Specification: U
Thermal Resistance
U SO-8
TYP
+25°C
OPA2631U
GUARANTEED
+25°C
0°C to
70°C
–40°C to
MIN/ TEST
+85°C UNITS MAX LEVEL(1)
75
50
40
32
MHz min
B
16
12
10
8.5
MHz min
B
7.6
5.6
4.2
3.7
MHz min
B
68 51 40 36 MHz min B
5 — — — dB typ C
100 64
52
47
V/µs min
B
5.3 8.0 11 12.8 ns max B
5.4 7.5 10 11.6 ns max B
17 28 38 42 ns max B
44 40 38 35 dB min B
84 68 66 62 dB min B
6.0 6.8 7.6 7.9 nV/Hz max B
1.9 2.6 2.9 3.6 pA/Hz max B
0.5 — — — % typ C
1.2 — — — degrees typ C
93 — — — dB typ C
62 56 50 46 dB min A
2.5 6
8 11 mV max A
— — — 50 µV/°C max B
11 21 27 40 µA max A
0.3 1 1.3 2 µA max A
———
7 nA/°C max B
–0.5
4.0
74
–0.1
3.7
70
10 || 2.1
400 || 1.2
–0.1
3.7
68
–0.1 V max B
3.5 V min A
60 dB min A
— k|| pF typ C
— k|| pF typ C
0.03 0.06 0.09 0.12
0.16
0.17
0.20
1.7
4.87
4.8
4.7
4.6
4.60
4.4
4.4
3.1
80 25 20
5
90 38 24 10
100 — — —
0.6 — — —
V max
V max
V min
V min
mA min
mA min
mA typ
typ
A
A
A
A
A
A
C
C
2.7 2.7 2.7 V min A
10.5 10.5 10.5 V max A
6 6.4 6.7 6.9 mA/chan max A
6 5.8 5.5 4.8 mA/chan min A
59 52 49 48 dB min A
–40 to +85 — — — °C typ C
125 —
°C/W typ
C
NOTE: (1) 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.
®
OPA2631
2




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OPA2631 amplifier

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