Datasheet

OPA549
SBOS093E
3
www.ti.com
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C.
At T
CASE
= +25°C, V
S
= ±30V, Ref = 0V, and E/S pin open, unless otherwise noted.
OPA549T, S
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE V
OS
Input Offset Voltage V
CM
= 0V, I
O
= 0 ±1 ±5mV
vs Temperature dV
OS
/dT T
CASE
= –40°C to +85°C ±20 µV/°C
vs Power Supply PSRR V
S
= ±4V to ±30V, Ref = V– 25 100 µV/V
INPUT BIAS CURRENT
(1)
Input Bias Current
(2)
I
B
V
CM
= 0V –100 –500 nA
vs Temperature T
CASE
= –40°C to +85°C ±0.5 nA/°C
Input Offset Current I
OS
V
CM
= 0V ±5 ±50 nA
NOISE
Input Voltage Noise Density e
n
f = 1kHz 70 nV/√Hz
Current Noise Density i
n
f = 1kHz 1 pA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range: Positive V
CM
Linear Operation (V+) – 3 (V+) – 2.3 V
Negative V
CM
Linear Operation (V–) – 0.1 (V–) – 0.2 V
Common-Mode Rejection Ratio CMRR V
CM
= (V–) – 0.1V to (V+) – 3V 80 95 dB
INPUT IMPEDANCE
Differential 10
7
|| 6 Ω || pF
Common-Mode 10
9
|| 4 Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
O
= ±25V, R
L
= 1kΩ 100 110 dB
V
O
= ±25V, R
L
= 4Ω 100 dB
FREQUENCY RESPONSE
Gain Bandwidth Product GBW 0.9 MHz
Slew Rate SR G = 1, 50Vp-p Step, R
L
= 4Ω 9V/µs
Full-Power Bandwidth See Typical Curve
Settling Time: ±0.1% G = –10, 50V Step 20 µs
Total Harmonic Distortion + Noise
(3)
THD+N f = 1kHz,R
L
= 4Ω,G = +3, Power = 25W 0.015 %
OUTPUT
Voltage Output, Positive I
O
= 2A (V+) – 3.2 (V+) – 2.7 V
Negative I
O
= –2A (V–) + 1.7 (V–) + 1.4 V
Positive I
O
= 8A (V+) – 4.8 (V+) – 4.3 V
Negative I
O
= –8A (V–) + 4.6 (V–) + 3.9 V
Negative R
L
= 8Ω to V– (V–) + 0.3 (V–) + 0.1 V
Maximum Continuous Current Output: dc
(4)
±8A
ac
(4)
Waveform Cannot Exceed 10A peak 8A rms
Output Current Limit
Current Limit Range 0 to ±10 A
Current Limit Equation I
LIM
= 15800 • 4.75V/(7500Ω + R
CL
)A
Current Limit Tolerance
(1)
R
CL
= 7.5kΩ (I
LIM
= ±5A), R
L
= 4Ω±200 ±500 mA
Capacitive Load Drive (Stable Operation) C
LOAD
See Typical Curve
Output Disabled
Leakage Current Output Disabled, V
O
= 0V –2000 ±200 +2000 µA
Output Capacitance Output Disabled 750 pF
OUTPUT ENABLE/STATUS (E/S) PIN
Shutdown Input Mode
V
E/S
High (output enabled) E/S Pin Open or Forced High (Ref) + 2.4 V
V
E/S
Low (output disabled) E/S Pin Forced Low (Ref) + 0.8 V
I
E/S
High (output enabled) E/S Pin Indicates High –50 µA
I
E/S
Low (output disabled) E/S Pin Indicates Low –55 µA
Output Disable Time 1 µs
Output Enable Time 3 µs
Thermal Shutdown Status Output
Normal Operation Sourcing 20µA (Ref) + 2.4 (Ref) + 3.5 V
Thermally Shutdown Sinking 5µA, T
J
> 160°C (Ref) + 0.2 (Ref) + 0.8 V
Junction Temperature, Shutdown +160 °C
Reset from Shutdown +140 °C
Ref (Reference Pin for Control Signals)
Voltage Range V– (V+) – 8V
Current
(2)
–3.5 mA
POWER SUPPLY
Specified Voltage V
S
±30 V
Operating Voltage Range, (V+) – (V–)860V
Quiescent Current I
Q
I
LIM
Connected to Ref I
O
= 0 ±26 ±35 mA
Quiescent Current in Shutdown Mode I
LIM
Connected to Ref ±6mA
TEMPERATURE RANGE
Specified Range –40 +85 °C
Operating Range –40 +125 °C
Storage Range –55 +125 °C
Thermal Resistance,
θ
JC
1.4 °C/W
Thermal Resistance, θ
JA
No Heat Sink 30 °C/W
NOTES: (1) High-speed test at T
J
= +25°C. (2) Positive conventional current is defined as flowing into the terminal. (3) See “Total Harmonic Distortion + Noise vs
Frequency” in the Typical Characteristics section for additional power levels. (4) See “Safe Operating Area” (SOA) in the Typical Characteristics section.