
2
OPA640
SPECIFICATIONS
ELECTRICAL
At T
A
= +25
°
C, V
S
=
±
5V, R
L
= 100
, C
L
= 2pF, R
FB
= 402
and all four power supply pins are used, unless otherwise noted. R
FB
= 25
for a gain of +1.
OPA640P, U
OPA640UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
Average Drift,
Power Supply Rejection (+V
S
)
±
2.0
±
10
75
60
±
5
1.0
±
6
6
6
±
2.0
mV
μ
V/
°
C
dB
dB
V
S
=
±
4.5 to
±
5.5V
60
53
6
6
(–V
S
)
INPUT BIAS CURRENT
(1)
Input Bias Current
Over Specified Temperature
Input Offset Current
Over Specified Temperature
V
CM
= 0V
15
30
0.3
0.5
25
75
2.0
2.5
6
18
6
6
6
55
1.0
2.0
μ
A
μ
A
μ
A
μ
A
V
CM
= 0V
NOISE
Input Voltage Noise Density
f = 100Hz
f = 10kHz
f = 1MHz
f = 1MHz to 500MHz
Voltage Noise, BW = 100Hz to 500MHz
Input Bias Current Noise Density
f = 0.1Hz to 20kHz
Noise Figure (NF)
R
S
= 1k
R
S
= 50
INPUT VOLTAGE RANGE
Common-Mode Input Range
Over Temperature
Common-Mode Rejection
7.0
2.8
2.8
2.9
65
6
6
6
6
6
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
μ
Vrms
2.0
6
pA/
√
Hz
2.6
10.9
6
6
dB
dB
±
2.5
±
2.5
70
±
2.85
±
2.75
85
6
6
80
6
6
88
V
V
dB
V
CM
=
±
0.5V
INPUT IMPEDANCE
Differential
Common-Mode
15 || 1
2 || 1
6
6
k
|| pF
M
|| pF
OPEN-LOOP GAIN, DC
Open-Loop Voltage Gain
Over Specified Temperature
V
O
=
±
2V, R
L
= 100
V
O
=
±
2V, R
L
= 100
50
45
57
55
53
6
6
6
dB
dB
FREQUENCY RESPONSE
Closed-Loop Bandwidth
Gain = +1V/V
Gain = +2V/V
Gain = +5V/V
Gain = +10V/V
G = +1, 2V Step
G = +1, 2V Step
G = +1, 2V Step
G = +1, 2V Step
G = +1, 2V Step
G = +1, f = 5MHz, V
O
= 2Vp-p
G = +1, f = 10MHz, V
O
= 2Vp-p
G = +1, f = 20MHz, V
O
= 2Vp-p
G = +1 or +2
V
O
= 0V to 1.4V, R
L
= 150
1.3
280
65
31
350
285
22
18
4.5
85
75
65
120
0.07
6
6
6
6
6
6
6
6
6
6
6
6
6
6
GHz
MHz
MHz
MHz
V/
μ
s
V/
μ
s
ns
ns
ns
dBc
dBc
dBc
MHz
%
Slew Rate
(2)
At Minimum Specified Temperature
Settling Time
0.01%
0.1%
1%
Spurious Free Dynamic Range
Gain Flatness to 0.1dB
Differential Gain at 3.58MHz,
G = +2V/V
Differential Phase at 3.58MHz,
G = +2V/V
V
O
= 0V to 1.4V, R
L
= 150
0.008
6
Degrees
OUTPUT
Voltage Output
Over Specified Temperature
Voltage Output
Over Specified Temperature
Current Output, +25
°
C
Over Specified Temperature
Short Circuit Current
Output Resistance
No Load
±
2.6
±
3.0
6
6
V
R
L
= 100
±
2.25
±
40
±
25
±
2.5
±
52
±
45
75
0.2
6
6
6
6
6
6
6
6
V
mA
mA
mA
1MHz, G = +1V/V
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Quiescent Current
Over Specified Temperature
T
MIN
to T
MAX
T
MIN
to T
MAX
±
5
6
V
V
±
4.5
±
5.5
±
22
±
24
6
6
6
6
±
18
±
19
6
6
mA
mA
TEMPERATURE RANGE
Specification: P, U, UB
Thermal Resistance
P
8-Pin DIP
U, UB
8-Pin SO-8
Ambient
–40
+85
6
6
°
C
θ
JA
, Junction to Ambient
°
C/W
°
C/W
°
C/W
100
125
6
6
NOTE: (1) Slew rate is rate of change from 10% to 90% of output voltage step.