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OPA548T Datasheet(PDF) 6 Page - Texas Instruments

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Part # OPA548T
Description  High-Voltage, High-Current Operational Amplifier
Download  39 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA548T Datasheet(HTML) 6 Page - Texas Instruments

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OPA548
SBOS070C – OCTOBER 1997 – REVISED JUNE 2015
www.ti.com
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
Input Offset Voltage
VCM = 0, IO = 0
±2
±10
mV
vs Temperature
TA = –40°C to 85°C
±30
µV/°C
vs Power supply
VCM = 0 V
30
100
µV/V
INPUT BIAS CURRENT(1)
Input Bias Current(2)
VCM = 0 V
–100
–500
nA
vs Temperature
TA = –40°C to 85°C
±0.5
nA/°C
Input Offset Current
VCM = 0 V
±5
±50
nA
NOISE
Input Voltage Noise Density, f = 1 kHz
90
nV/
√Hz
Current Noise Density, f = 1 kHz
200
fA/
√Hz
INPUT VOLTAGE RANGE
Positive
Linear Operation
(V+) – 3
(V+) – 2.3
V
Common-Mode Voltage
Range:
Negative
Linear Operation
(V–) – 0.1
(V–) – 0.2
V
Common-Mode Rejection
VCM = (V–) –0.1V to (V+) –3 V
80
95
dB
INPUT IMPEDANCE
Differential
107 || 6
Ω || pF
Common-Mode
109 || 4
Ω || pF
OPEN-LOOP GAIN
VO = ±25 V, RL = 1 kΩ
90
98
dB
Open-Loop Voltage Gain
VO = ±25 V, RL = 8 Ω
90
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
RL = 8 Ω
1
MHz
Slew Rate
G = 1, 50Vp-p, RL = 8 Ω
10
V/µs
Full-Power Bandwidth
See Typical Characteristics
kHz
Settling Time: ±0.1%
G = –10, 50-V Step
15
µs
Total Harmonic Distortion + Noise, f = 1 kHz
RL = 8 Ω, G = 3, Power = 10 W
0.02%(3)
OUTPUT
Voltage Output
Positive
IO = 3 A
(V+) – 4.1
(V+) – 3.7
Negative
IO = –3 A
(V–) + 3.7 (V–) + 3.3 V
V
Positive
IO = 0.6 A
(V+) – 2.4 (V+) – 2.1 V
Negative
IO = –0.6 A
(V–) + 1.3
(V–) + 1 V
Maximum continuous
DC
±3
A
A
current output:
AC
3
Arms
Arms
Leakage Current, Output Disabled, DC
See Typical Characteristics
Output Current Limit
Current Limit Range
0 to ±5
A
Current Limit Equation
ILIM = (15000)(4.75)/(13750 W + RCL)
A
Current Limit Tolerance(1)
RCL = 14.8 kW (ILIM = ±2.5 A),
±100
±250
mA
RL = 8 Ω
Capacitive Load Drive
See Figure 19
OUTPUT ENABLE /STATUS (E/S) PIN
Shutdown Input Mode
VE/S HIGH (output enabled)
E/S Pin Open or Forced High
(V–) + 2.4
V
(1)
High-speed test at TJ = 25°C.
(2)
Positive conventional current flows into the input terminals.
(3)
See Figure 12 for additional power levels.
6
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Copyright © 1997–2015, Texas Instruments Incorporated
Product Folder Links: OPA548


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