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OPA549 Datasheet(PDF) 4 Page - Texas Instruments

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Part # OPA549
Description  High-Voltage (100V), High-Current (50mA) OPERATIONAL AMPLIFIERS, G = 1 Stable
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA549 Datasheet(HTML) 4 Page - Texas Instruments

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OPA454
SBOS391 – DECEMBER 2007
ELECTRICAL CHARACTERISTICS: VS = ±50V (continued)
Boldface limits apply over the specified temperature range, TA = –40°C to +85°C.
At TP = +25°C, RL = 4.8kΩ to mid-supply, VCM = VOUT = mid-supply, unless otherwise noted.
OPA454
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
FREQUENCY RESPONSE(5)
Gain-Bandwidth Product
GBW
Small-Signal
2.5
MHz
Slew Rate
SR
G = ±1, VO = 80V Step, RL = 3.27kΩ
13
V/
µs
Full-Power Bandwidth(6)
35
kHz
Settling Time: ±0.1%(7)
G = ±1, VO = 20V Step
3
µs
Settling Time: ±0.01%(7)
G = ±5 or ±10, VO = 80V Step
10
µs
VS = +40.6V/–39.6V, G = ±1,
Total Harmonic Distortion + Noise(8)
THD+N
0.0008
%
f = 1kHz, VO = 77.2VPP
OUTPUT
Voltage Output Swing From Rail(9)
VO
RL = 49kΩ, AOL ≥ 100dB, IO = 1mA
(V–) + 1
(V+) – 1
V
RL = 4.8kΩ, AOL ≥ 100dB, IO = 10mA
(V–) + 1
(V+) – 2
V
RL = 1880Ω, AOL ≥ 80dB, IO = 26mA
(V–) + 2
(V+) – 3
V
Continuous Current Output, dc
Depends on Circuit Conditions
See Figure 6
Maximum Peak Current Output, Current
IO
+120/–150
mA
Limit(10)
Over Temperature
+140/–170
mA
Capacitive Load Drive(5)
CLOAD
200
pF
Open-Loop Output Impedance
RO
See Figure 5
Output Disabled
Output Capacitance
18
pF
Feedthrough Capacitance(11)
150
fF
STATUS FLAG PIN (Referenced to E/D Com)(12)
Status Flag Delay
Enable
→ Disable
6
µs
Disable
→ Enable
4
µs
Over-Current Delay(13)
15
µs
Over-Current Recovery Delay(13)
10
µs
Junction Temperature
TJ
Alarm (status flag high)
+150
°C
Return to Normal Operation (status flag low)
+130
°C
Output Voltage(5)
Normal Operation
E/D Com + 2
V
RL = 100Ω During Thermal Overdrive,
(V+) – 2.5
V
Alarm
(5)
See Typical Characteristic curves.
(6)
See typical characteristic curve, Maximum Output Voltage vs Frequency (Figure 12).
(7)
See the Applications Information section, Settling Time.
(8)
Supplies reduced to allow closer swing to rails due to test equipment limitations. See typical characteristic curve Total Harmonic
Distortion + Noise vs Temperature (Figure 30 and Figure 31) for additional power levels.
(9)
See typical characteristic curve, Output Voltage Swing vs Output Current (Figure 11).
(10) Measured using low-frequency (<10Hz) ±49V square wave. See typical characteristic curve, Current Limit vs Temperature (Figure 24).
(11) Measured using Figure 1.
(12) 100k
Ω pull-up resistor to (V+). E/D common to (V–). Status flag indicates an over temperature or over-current condition.
(13) See Typical Characteristic curves for current limit behavior.
4
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): OPA454


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