OPA145 Datasheet, PDF (9/40 Pages) Texas Instruments – High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers

www.ti.com
OPA145, OPA2145, OPA4145
SBOS427 – JUNE 2017
Electrical Characteristics: V_S = 4.5 V to 36 V; ±2.25 V to ±18 V (continued)
at T_A = 25°C, R_L = 2 kΩ connected to midsupply, and V_CM = V_OUT = midsupply (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
FREQUENCY RESPONSE
BW
Gain bandwidth product
G = 100
5.5
φ_M
Phase Margin
G = 1, C_L = 10 pF
78
SR
Slew rate
20
12 bits
10-V Step, G = +1
1.6
Settling time
16 bits
10-V Step, G = +1
6
THD+N
Total harmonic distortion and noise
Overload recovery time
1 kHz, G = +1, V_O = 3.5 V_RMS
0.0001%
600
OUTPUT
Linear output voltage swing range
R_L = 10 kΩ, A_OL ≥ 108 dB, T_A =
–40°C to +125°C
(see Figure 24 and Figure 25)
R_L = 2 kΩ, A_OL ≥ 108 dB, T_A =
–40°C to +125°C
(see Figure 24 and Figure 25)
(V–) + 0.1
(V–) + 0.3
(V+) – 0.1
(V+) – 0.3
V_O
Voltage output swing from rail
I_SC
C_LOAD
R_O
Short-circuit current
Capacitive load drive
Open-loop output impedance
R_L = 10 kΩ
R_L = 10 kΩ, T_A = –40°C to +125°C
R_L = 2 kΩ
R_L = 2 kΩ,T_A = –40°C to +125°C
f = 1 MHz, I_O = 0 mA (see
Figure 26)
75
90
210
250
±20
See Figure 27
150
POWER SUPPLY
V_S
Specified voltage range
I_Q
Quiescent current (per amplifier)
TEMPERATURE RANGE
I_O = 0 mA
T_A = 0°C to +85°C
T_A = –40°C to +125°C
±2.25
±18
445
475
590
655
Specified
–40
125
Operating
–55
150
UNIT
MHz
°
V/μs
μs
ns
V
mV
mA
Ω
V
µA
°C
°C
Copyright © 2017, Texas Instruments Incorporated
Submit Documentation Feedback
9
Product Folder Links: OPA145 OPA2145 OPA4145