Datasheet

OPA277, OPA2277, OPA4277
3
SBOS079A
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= ±5V to V
S
= ±15V
At T
A
= +25°C, and R
L
= 2kΩ, unless otherwise noted.
Boldface limits apply over the specified temperature range, –40°C to +85°C.
OPA277PA, UA
OPA277P, U OPA2277PA, UA OPA277AIDRM,
OPA2277P, U OPA4277PA, UA OPA2277AIDRM
PARAMETER CONDITION MIN TYP
(1)
MAX MIN TYP
(1)
MAX MIN TYP
(1)
MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage: V
OS
OPA277P, U (high grade, single) ±10 ±20 µV
OPA2277P, U (high grade, dual) ±10 ±25 µV
All PA, UA, Versions ±20 ±50 µV
AIDRM Versions ±35 ±100 µV
Input Offset Voltage Over Temperature
OPA277P, U (high grade, single) T
A
= –40 ° C to +85 ° C ± 30 µV
OPA2277P, U (high grade, dual) T
A
= –40 ° C to +85 ° C ± 50 µV
All PA, UA, Versions T
A
= –40 ° C to +85 ° C ± 100 µV
AIDRM Versions T
A
= –40 ° C to +85 ° C ± 165 µV
Input Offset Voltage Drift dV
OS
/dT
OPA277P, U (high grade, single) T
A
= –40 ° C to +85 ° C ± 0.1 ± 0.15 µV/°C
OPA2277P, U (high grade, dual) T
A
= –40 ° C to +85 ° C ± 0.1 ± 0.25 µV/°C
All PA, UA, AIDRM Versions T
A
= –40 ° C to +85 ° C ± 0.15 ± 1 ± 0.15 ± 1 µV/°C
Input Offset Voltage: (all models)
vs Time 0.2 ✻✻µV/mo
vs Power Supply PSRR V
S
= ±2V to ±18V ±0.3 ±0.5 ✻ ±1 ✻ ±1 µV/V
T
A
= –40 ° C to +85 ° C V
S
= ±2V to ±18V ± 0.5 ± 1 ± 1 µV/V
Channel Separation (dual, quad) dc 0.1 ✻✻µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
±0.5 ±1 ✻ ±2.8 ±2.8 nA
T
A
= –40 ° C to +85 ° C ± 2 ± 4 ± 4nA
Input Offset Current I
OS
±0.5 ±1 ✻ ±2.8 ±2.8 nA
T
A
= –40 ° C to +85 ° C ± 2 ± 4 ± 4nA
NOISE
Input Voltage Noise, f = 0.1 to 10Hz 0.22 ✻✻µV
PP
0.035 ✻✻µVrms
Input Voltage Noise Density, f = 10Hz e
n
12 ✻✻nV/√Hz
f = 100Hz 8 ✻✻nV/√Hz
f = 1kHz 8 ✻✻nV/√Hz
f = 10kHz 8 ✻✻nV/√Hz
Current Noise Density, f = 1kHz i
n
0.2 ✻✻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 130 140 115 ✻ 115 ✻ dB
T
A
= –40 ° C to +85 ° C V
CM
= (V–) +2V to (V+) –2V 128 115 115 dB
INPUT IMPEDANCE
Differential 100 || 3 ✻✻MΩ || pF
Common-Mode V
CM
= (V–) +2V to (V+) –2V 250 || 3 ✻✻GΩ || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
O
= (V–)+0.5V to
(V+)–1.2V, R
L
= 10kΩ 140 ✻✻dB
V
O
= (V–)+1.5V to
(V+)–1.5V, R
L
= 2kΩ 126 134 ✻✻ ✻✻ dB
T
A
= –40 ° C to +85 ° CV
O
= (V–)+1.5V to
(V+)–1.5V, R
L
= 2kΩ 126 ✻✻dB
FREQUENCY RESPONSE
Gain-Bandwidth Product GBW 1 ✻✻MHz
Slew Rate SR 0.8 ✻✻V/µs
Settling Time, 0.1% V
S
= ±15V, G = 1, 10V Step 14 ✻✻µs
0.01% V
S
= ±15V, G = 1, 10V Step 16 ✻✻µs
Overload Recovery Time V
IN
• G = V
S
3 ✻✻µs
Total Harmonic Distortion + Noise THD+N 1kHz, G = 1, V
O
= 3.5Vrms 0.002 ✻✻%
✻ Specifications same as OPA277P, U.
NOTE: (1) V
S
= ±15V.