OPA4277-EP Datasheet, PDF (6/20 Pages) Texas Instruments – OPA4277-EP High Precision Operational Amplifier

OPA4277-EP
SBOS714 – NOVEMBER 2014
Electrical Characteristics (continued)
At T_J = 25°C, and R_L = 2 kΩ, V_S = ±5 to ±15 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
OUTPUT
V_O
Voltage output
I_SC
Short-circuit current
C_LOAD
Capacitive load drive
POWER SUPPLY
T_J = –55°C to 125°C; R_L = 10 kΩ
T_J = –55°C to 125°C; R_L = 2 kΩ
V_S
Specified voltage
Operating voltage
I_Q
Quiescent current (per amplifier)
I_O = 0
T_J = –55°C to 125°C; I_O = 0
6.6 Typical Characteristics
At T_J = 25°C, V_S = ±15 V, and R_L = 2 kΩ, unless otherwise noted.
140
120
100
80
60
40
20
0
–20
0.1
G
C_L = 0
C_L = 1500pF
0
–30
–60
φ
–90
–120
–150
–180
1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
140
120
100
80
60
40
20
0
0.1
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MIN
TYP
MAX UNIT
(V–) + 0.5
(V–) + 1.5
(V+) – 1.2
V
(V+) – 1.5
±35
mA
See Typical Characteristics
±5
±15
V
±2
±18
V
±790
±825
µA
±900
–PSR
+PSR
CMR
1
10 100 1k 10k 100k 1M
Frequency (Hz)
Figure 1. Open-Loop Gain/Phase vs Frequency
1000
Current Noise
100
Figure 2. Power Supply and Common-Mode Rejection vs
Frequency
Noise signal is bandwidth limited to
lie between 0.1Hz and 10Hz.
10
Voltage Noise
1
1
10
100
1k
10k
Frequency (Hz)
Figure 3. Input Noise and Current Noise Spectral Density vs
Frequency
1s/div
Figure 4. Input Noise Voltage vs Time
6
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