OPA141_1 Datasheet, PDF (4/25 Pages) Texas Instruments – Single-Supply, 10MHz, Rail-to-Rail Output,Low-Noise, JFET Amplifier

OPA141
OPA2141
OPA4141
SBOS510B – MARCH 2010 – REVISED MAY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS: V_S = +4.5V to +36V; ±2.25V to ±18V
Boldface limits apply over the specified temperature range, T_A = –40°C to +125°C.
At T_A = +25°C, R_L = 2kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
OPA141, OPA2141, OPA4141
PARAMETER
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
Offset Voltage, RTI
Over Temperature
Drift
vs Power Supply
xxxOver Temperature
INPUT BIAS CURRENT
V_OS
dV_OS/dT
PSRR
V_S = ±18V
V_S = ±18V
V_S = ±18V
V_S = ±2.25V to ±18V
V_S = ±2.25V to ±18V
±1
±3.5
±4.3
±2
±10
±0.14
±2
±4
Input Bias Current
I_B
Over Temperature
±2
±20
±5
Input Offset Current
I_OS
Over Temperature
±2
±20
±1
NOISE
Input Voltage Noise
f = 0.1Hz to 10Hz
250
f = 0.1Hz to 10Hz
42
Input Voltage Noise Density
e_n
f = 10Hz
12
f = 100Hz
6.5
f = 1kHz
6.5
Input Current Noise Density
i_n
f = 1kHz
0.8
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
V_CM
CMRR
V_S = ±18V, V_CM = (V–) –0.1V
to (V+) – 3.5V
(V–) –0.1
(V+)–3.5
120
126
Over Temperature
V_S = ±18V, V_CM = (V–) –0.1V
to (V+) – 3.5V
120
INPUT IMPEDANCE
Differential
Common-Mode
OPEN-LOOP GAIN
V_CM = (V–) –0.1V to (V+) –3.5V
10¹³ || 8
10¹³ || 6
Open-Loop Voltage Gain
Over Temperature
FREQUENCY RESPONSE
A_OL V_O = (V–)+0.35V to (V+)–0.35V, R_L = 2kΩ
114
126
V_O = (V–)+0.35V to (V+)–0.35V, R_L = 2kΩ 108
Gain Bandwidth Product
BW
10
Slew Rate
20
Settling Time, 12-bit (0.024)
880
THD+N
Overload Recovery Time
1kHz, G = 1, V_O = 3.5V_RMS
0.00005
600
UNIT
mV
mV
mV/°C
mV/V
mV/V
pA
nA
pA
nA
nV_PP
nV_RMS
nV/√Hz
nV/√Hz
nV/√Hz
fA/√Hz
V
dB
dB
Ω || pF
Ω || pF
dB
dB
MHz
V/ms
ns
%
ns
4
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): OPA141 OPA2141 OPA4141