OPA445SM Datasheet, PDF (3/25 Pages) Texas Instruments – High Voltage FET-Input OPERATIONAL AMPLIFIER

OPA445
www.ti.com
SBOS156B − MARCH 1987 − REVISED APRIL 2008
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T_A = −25°C to +85°C. V_S = ±40V.
At T_A = +25°C, V_S = ±40V, and R_L = 5kΩ, unless otherwise noted.
OPA445BM
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature
vs Power Supply
INPUT BIAS CURRENT(1)
Input Bias Current
Over Specified Temperature Range
Input Offset Current
Over Specified Temperature Range
V_OS
V_OS/dT
PSRR
I_B
I_OS
V_CM = 0, I_O = 0
T_A = −25°C to +85°C
V_S = ±10V to ±45V
V_CM = 0V
V_CM = 0V
±1
±3
±10
4
100
±10
±50
±10
±4
±20
±5
NOISE
Input Voltage Noise Density, f = 1kHz
Current Noise Density, f = 1kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection
Over Specified Temperature Range
e_n
i_n
V_CM
CMRR
V_S = ±40V
V_CM = −35V to +35V
15
6
(V−) + 5
(V+) − 5
80
95
80
INPUT IMPEDANCE
Differential
Common-Mode
10¹³ || 1
10¹⁴ || 3
OPEN-LOOP GAIN, DC
Open-Loop Voltage Gain
Over Specified Temperature Range
A_OL
V_O = −35V to +35V
100
110
97
FREQUENCY RESPONSE
Gain Bandwidth Product
Slew Rate
Full Power Bandwidth
Rise Time
Overshoot
Total Harmonic Distortion + Noise
OUTPUT
Voltage Output
Over Specified Temperature Range
Current Output
Output Resistance, Open Loop
Short Circuit Current
Capacitive Load Drive
POWER SUPPLY
Specified Operating Range
Operating Voltage Range
Quiescent Current
TEMPERATURE RANGE
Specification Range
Operating Range
Storage Range
Thermal Resistance,
Junction-to-Ambient
TO-99
DIP-8
SO-8 Surface-Mount
SO-8 PowerPAD⁽³⁾
Thermal Resistance, Junction-to-Case
SO-8 PowerPAD⁽³⁾
GBW
2
SR
V_O = 70V_PP
5
15
V_O = 70V_PP
23
70
V_O = ±200mV
100
G = +1, Z_L = 5kΩ || 50pF
35
THD+N f = 1kHz, V_O = 3.5Vrms, G = 1
0.0002
f = 1kHz, V_O = 10Vrms, G = 1
0.00008
V_O
I_O
R_O
I_SC
C_LOAD
V_O = ±28V
dc
(V−) + 5
(V+) − 5
(V−) + 5
(V+) − 5
±15
220
±26
See Typical Characteristic⁽²⁾
V_S
I_Q
I_O = 0
±40
±10
±45
±4.2
±4.7
−25
+85
−55
+125
−65
+125
q_JA
200
q_JC
NOTE: ∗ Specifications same as OPA445BM.
(1) _{High-speed test at TJ = +25°C.}
(2) _{See Small-Signal Overshoot vs Load Capacitance in the Typical Characteristics section.}
(3) _{Test board 1in x 0.5in heat-spreader, 1oz copper.}
OPA445AP, AU, ADDA
MIN TYP MAX
±1.5 ±5
*
∗
∗
∗
±100
±20
∗
±40
±10
∗
∗
∗
∗
∗
∗
*
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
*
*
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
−55
+125
100
150
52
10
UNITS
mV
µV/°C
µV/V
pA
nA
pA
nA
nV/√Hz
fA/√Hz
V
dB
dB
Ω || pF
Ω || pF
dB
dB
MHz
V/µs
kHz
ns
%
%
%
V
V
mA
Ω
mA
V
V
mA
°C
°C
°C
°C/W
°C/W
°C/W
°C/W
°C/W
3