OPA140 Datasheet, PDF (7/44 Pages) Texas Instruments – 11-MHz JFET Op Amp

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OPA140, OPA2140, OPA4140
SBOS498B – JULY 2010 – REVISED NOVEMBER 2015
6.7 Electrical Characteristics: V_S = 4.5 V to 36 V; ±2.25 V to ±18 V
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
OFFSET VOLTAGE
30
120
V_OS
dV_OS/dT
PSRR
Input offset voltage
Input offset voltage drift
Power-supply rejection
ratio
V_S = ±18 V, T_A = –40°C to 125°C
V_S = ±2.25 V to ±18 V, T_A = –40°C to 125°C
V_S = ±18 V, T_A = –40°C to 125°C
V_S = ±2.25 V to ±18 V, T_A = –40°C to 125°C
220
±4
±0.35
1
±0.1
±0.5
INPUT BIAS CURRENT
I_B
Input bias current
I_OS
NOISE
Input offset current
T_A = –40°C to 125°C
T_A = –40°C to 125°C
±0.5
±10
±3
±0.5
±10
±1
f = 0.1 Hz to 10 Hz
250
E_n
Input voltage noise
f = 0.1 Hz to 10 Hz
42
f = 10 Hz
8
e_n
Input voltage noise
density
f = 100 Hz
5.8
f = 1 kHz
5.1
i_n
Input current noise
density
f = 1 kHz
0.8
INPUT VOLTAGE
V_CM
CMRR
Common-mode voltage
Common-mode
rejection ratio
T_A = –40°C to 125°C
V_S = ±18 V, V_CM = (V–) – 0.1 V
to (V+) – 3.5 V
INPUT IMPEDANCE
T_A = –40°C to 125°C
(V–) – 0.1
126
120
(V+) – 3.5
140
Z_ID
Differential
Z_IC
Common-mode
V_CM = (V–) – 0.1 V to (V+) – 3.5 V
10¹³ || 10
10¹³ || 7
OPEN-LOOP GAIN
A_OL
Open-loop voltage gain
FREQUENCY RESPONSE
V_O = (V–) + 0.35 V to (V+) – 0.35 V,
R_L = 10 kΩ
V_O = (V–) + 0.35 V to (V+) – 0.35 V,
R_L = 2 kΩ
T_A = –40°C to 125°C
120
126
114
126
108
BW
Gain bandwidth product
11
SR
Slew rate
20
12-bit
880
t_s
Settling time
16-bit
1.6
t_OR
THD+N
Overload recovery time
Total harmonic
distortion + noise
1 kHz, G = 1, V_O = 3.5 V_RMS
600
0.00005%
OUTPUT
V_O
Voltage output
R_LOAD = 10 kΩ, A_OL ≥ 108 dB
R_LOAD = 2 kΩ, A_OL ≥ 108 dB
(V–) + 0.2
(V–) +
0.35
(V+) – 0.2
(V+) –
0.35
Source
36
I_SC
Short-circuit current
Sink
–30
C_LOAD
Z_O
Capacitive load drive
Open-loop output
impedance
f = 1 MHz, I_O = 0 A (See Figure 18)
See Figure 19 and Figure 20
16
UNIT
µV
µV/V
µV/°C
µV/V
pA
nA
pA
nA
µV_PP
µV_RMS
nV/√Hz
fA/√Hz
V
dB
Ω || pF
Ω || pF
dB
MHz
V/µs
ns
µs
ns
V
mA
Ω
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