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OPA547 Datasheet(PDF) 3 Page - Texas Instruments

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Part # OPA547
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

OPA547 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS: VS = ±50V
OPA454
SBOS391 – DECEMBER 2007
Boldface limits apply over the specified temperature range, TA = –40°C to +85°C.
At TP
(1) = +25
°C, R
L = 4.8kΩ to mid-supply, VCM = VOUT = mid-supply, unless otherwise noted.
OPA454
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
Input Offset Voltage
VOS
IO = 0
±0.2
±4
mV
vs Temperature(2)
dVOS/dT
±1.6
±10
µV/°C
vs Power Supply
PSRR
VS = ±4V to ±60V, VCM = 0V
25
100
µV/V
INPUT BIAS CURRENT
Input Bias Current
IB
±1.4
±100
pA
vs Temperature
See Typical Characteristics
Input Offset Current
IOS
±0.2
±100
pA
NOISE
Input Voltage Noise Density, f = 10Hz
en
300
nV/
√Hz
Input Voltage Noise Density, f = 10kHz
35
nV/
√Hz
f = 0.01Hz to 10Hz
15
µV
PP
Current Noise Density, f = 1kHz
in
40
fA/
√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
VCM
Linear Operation
(V–) + 2.5
See Note (3)
(V+) – 2.5
V
Common-Mode Rejection
CMRR
VS = ±50V, –25V ≤ VCM ≤ +25V
100
146
dB
VS = ±50V, –45V ≤ VCM ≤ +45V
100
147
dB
Over Temperature
VS = ±50V, –25V ≤ VCM ≤ +25V
80
88
dB
Over Temperature
VS = ±50V, –45V ≤ VCM ≤ +45V
72
82
dB
INPUT IMPEDANCE
Differential
Ω || pF
1013 || 10
Common-Mode
Ω || pF
1013 || 9
OPEN-LOOP GAIN
Open-Loop Voltage Gain(4)
AOL
(V–) + 1V < VO < (V+) – 1V,
100
130
dB
RL = 49kΩ, IO = ±1mA
(V–) + 1V < VO < (V+) – 1V,
112
dB
RL = 49kΩ, IO = ±1mA
(V–) + 1V < VO < (V+) – 2V,
100
115
dB
RL = 4.8kΩ, IO = ±10mA
(V–) + 1V < VO < (V+) – 2V,
106
dB
RL = 4.8kΩ, IO = ±10mA
(V–) + 2V < VO < (V+) – 3V,
80
102
dB
RL = 1880Ω, IO = ±25mA
(V–) + 2V < VO < (V+) – 3V,
84
dB
RL = 1880Ω, IO = ±25mA
(1)
TP is the temperature of the leadframe die pad (exposed thermal pad) of the PowerPAD package.
(2)
See typical characteristic curve, Offset Voltage Drift Production Distribution (Figure 14).
(3)
Typical range is (V–) + 1.5V to (V+) – 1.5V.
(4)
Measured using low-frequency (<10Hz) ±49V square wave. See typical characteristic curve, Current Limit vs Temperature (Figure 24).
Copyright © 2007, Texas Instruments Incorporated
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