Datasheet
OPA227, 2227, 4227
OPA228, 2228, 4228
2
SBOS110A
www.ti.com
SPECIFICATIONS: V
S
= ±5V to ±15V
OPA227 Series
At T
A
= +25°C, and R
L
= 10kΩ, unless otherwise noted.
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C.
OPA227PA, UA
OPA227P, U OPA2227PA, UA
OPA2227P, U OPA4227PA, UA
PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
±5 ±75 ±10 ±200 µV
OT
A
= –40°C to +85°Cver Temperature ±100 ±200 µV
vs Temperature dV
OS
/dT ±0.1 ±0.6 ±0.3 ±2 µV/°C
vs Power Supply PSRR V
S
= ±2.5V to ±18V ±0.5 ±2 ✻✻µV/V
T
A
= –40°C to +85°C ±2 ✻ µV/V
vs Time 0.2 ✻ µV/mo
Channel Separation (dual, quad) dc 0.2 ✻ µV/V
f = 1kHz, R
L
= 5kΩ 110 ✻ dB
INPUT BIAS CURRENT
Input Bias Current I
B
±2.5 ±10 ✻✻nA
T
A
= –40°C to +85°C ±10 ✻ nA
Input Offset Current I
OS
±2.5 ±10 ✻✻nA
T
A
= –40°C to +85°C ±10 ✻ nA
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz 90 ✻ nVp-p
15 ✻ nVrms
Input Voltage Noise Density, f = 10Hz e
n
3.5 ✻ nV/√Hz
f = 100Hz 3 ✻ nV/√Hz
f = 1kHz 3 ✻ nV/√Hz
Current Noise Density, f = 1kHz i
n
0.4 ✻ pA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–)+2 (V+)–2 ✻✻V
Common-Mode Rejection CMRR V
CM
= (V–)+2V
to (V+)–2V 120 138 ✻✻ dB
T
A
= –40°C to +85°C 120 ✻ dB
INPUT IMPEDANCE
Differential 10
7
|| 12 ✻ Ω || pF
Common-Mode V
CM
= (V–)+2V
to (V+)–2V 10
9
|| 3 ✻ Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
O
= (V–)+2V to (V+)–2V, R
L
= 10kΩ
132 160 ✻✻ dB
T
A
= –40°C to +85°C 132 ✻ dB
V
O
= (V–)+3.5V to (V+)–3.5V, R
L
= 600Ω
132 160 ✻✻ dB
T
A
= –40°C to +85°C 132 ✻ dB
FREQUENCY RESPONSE
Gain Bandwidth Product GBW 8 ✻ MHz
Slew Rate SR 2.3 ✻ V/µs
Settling Time: 0.1% G = 1, 10V Step, C
L
= 100pF 5 ✻ µs
0.01% G = 1, 10V Step, C
L
= 100pF 5.6 ✻ µs
Overload Recovery Time V
IN
• G = V
S
1.3 ✻ µs
Total Harmonic Distortion + Noise THD+N f = 1kHz, G = 1, V
O
= 3.5Vrms 0.00005 ✻ %
OUTPUT
Voltage Output R
L
= 10kΩ (V–)+2 (V+)–2 ✻✻V
T
A
= –40°C to +85°C R
L
= 10kΩ (V–)+2 (V+)–2 ✻✻V
R
L
= 600Ω (V–)+3.5 (V+)–3.5 ✻✻V
T
A
= –40°C to +85°C R
L
= 600Ω (V–)+3.5 (V+)–3.5 ✻✻V
Short-Circuit Current I
SC
±45 ✻ mA
Capacitive Load Drive C
LOAD
See Typical Curve ✻
POWER SUPPLY
Specified Voltage Range V
S
±5 ±15 ✻✻V
Operating Voltage Range ±2.5 ±18 ✻✻V
Quiescent Current (per amplifier) I
Q
I
O
= 0 ±3.7 ±3.8 ✻✻mA
T
A
= –40°C to +85°C I
O
= 0 ±4.2 ✻ mA
TEMPERATURE RANGE
Specified Range –40 +85 ✻✻°C
Operating Range –55 +125 ✻✻°C
Storage Range –65 +150 ✻✻°C
Thermal Resistance
θ
JA
SO-8 Surface Mount 150 ✻ °C/W
DIP-8 100 ✻ °C/W
DIP-14 80 ✻ °C/W
SO-14 Surface Mount 100 ✻ °C/W
✻ Specifications same as OPA227P, U.