
OPA643
2
SPECIFICATIONS
ELECTRICAL
At T
A
= +25
°
C, V
S
=
±
5V, R
L
= 100
, R
F
= 402
, unless otherwise noted.
OPA643P, U, N
OPA643PB, UB, NB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
Average Drift
Power Supply Rejection (PSR)
±
2.5
5
90
±
4
±
0.5
3
6
±
1.5
mV
μ
V/
°
C
dB
V
S
=
±
4.5 to
±
5.5V
65
70
INPUT BIAS CURRENT
Input Bias Current
Over Specified Temperature
Input Offset Current
Over Specified Temperature
V
CM
= 0V
19
30
40
2.0
3.0
6
6
6
6
6
μ
A
μ
A
μ
A
μ
A
V
CM
= 0V
0.1
6
NOISE
Input Voltage Noise
Noise Density: f > 1MHz
Integrated Voltage Noise, BW = 100Hz to 100MHz
Input Bias Current Noise
Current Noise Density, f > 1MHz
2.3
23
6
6
nV/
√
Hz
μ
Vrms
2.5
6
pA/
√
Hz
INPUT VOLTAGE RANGE
Common-Mode Input Range
Over Specified Temperature
Common-Mode Rejection (CMR)
±
2.75
±
2.5
65
±
3.0
6
6
80
6
V
V
dB
V
CM
=
±
0.5V
85
92
INPUT IMPEDANCE
Differential
Common-Mode
7 || 2.5
630 || 1.3
6
6
k
|| pF
k
|| pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain (A
OL
)
Over Specified Temperature
V
O
=
±
2V, R
L
= 100
V
O
=
±
2V, R
L
= 100
82
80
95
87
80
6
dB
dB
FREQUENCY RESPONSE
Closed-Loop Bandwidth
Gain = +5V/V
Gain = +10V/V
Gain = +20V/V
200
85
40
800
1000
920
21
16.5
7.5
90
6
6
6
6
6
6
6
6
MHz
MHz
MHz
MHz
V/
μ
s
V/
μ
s
ns
ns
ns
dBc
Gain Bandwidth Product (GBP)
Slew Rate
(1)
At Minimum Specified Temperature
Settling Time: 0.01%
0.1%
1%
Spurious Free Dynamic Range (SFDR)
G = +5, 2V Step
G = +5, 2V Step
G = +5, 2V Step
G = +5, 2V Step
G = +5, 2V Step
G = +5, f = 5MHz
V
= 2Vp-p, R
= 500
G = +5V/V, V
O
= 0V to 1.4V, R
L
= 150
G = +5V/V, V
O
= 0V to 1.4V, R
L
= 150
95
Differential Gain Error at 3.58MHz
Differential Phase Error at 3.58MHz
0.005
0.015
6
6
%
degrees
OUTPUT
Voltage Output
Over Specified Temperature
Voltage Output, +25
°
C
Over Specified Temperature
Current Output, +25
°
C
Over Specified Temperature
Closed-Loop Output Resistance
No Load
±
3.25
6
V
V
V
V
±
3.0
6
R
L
= 100
±
2.75
6
±
2.5
±
40
±
35
6
±
60
±
50
±
40
±
65
mA
mA
0.1MHz, G = +5V/V
0.055
6
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Quiescent Current
Over Specified Temperature
±
5
6
V
V
T
MIN
to T
MAX
±
4.5
±
5.5
±
25
±
26
6
6
6
6
±
20
±
16
6
mA
mA
TEMPERATURE RANGE
Specification: P, U, N
Thermal Resistance
P, PB
8-Pin DIP
U, UB
8-Pin SO-8
N, NB
5-Pin SOT23-5
Ambient
–40
+85
6
6
°
C
θ
JA
, Junction to Ambient
100
125
150
6
6
6
°
C/W
°
C/W
°
C/W
6
Specifications same as
OPA6
43P, U, N.
NOTE: (1) Slew rate is rate of change from 10% to 90% of output voltage step.