SPECIFICATIONS: VS = 2.7V to 5.5V
At TA = +25°C, RL = 10kΩ connected to VS/2 and VOUT = VS /2, unless otherwise noted.
Boldface limits apply over the temperature range, TA = –40°C to +85°C.
OPA345NA, UA
OPA2345EA, UA
OPA4345EA, UA
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
Over Temperature
vs Temperature
vs Power Supply
Over Temperature
Channel Separation, dc
f = 1kHz
VOS
VS = +5.5V, VCM = VS/2
±0.2
±0.8
±3
±1
±1.2
mV
mV
dVOS/dT
PSRR
µV/°C
µV/V
µV/V
µV/V
dB
VS = 2.7V to 5.5V, VCM < (V+) -1.8V
VS = 2.7V to 5.5V, VCM < (V+) -1.8V
30
200
250
0.2
130
INPUT BIAS CURRENT
Input Bias Current
Over Temperature
Input Offset Current
IB
±0.2
±10
pA
pA
pA
See Typical Curve
±0.2
IOS
±10
NOISE
Input Voltage Noise
Input Voltage Noise Density
Current Noise Density
f = 0.1 to 50kHz
f = 10kHz
8
30
0.5
µVrms
nV/√Hz
fA/√Hz
en
in
f = 10kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
Over Temperature
Common-Mode Rejection Ratio
Over Temperature
VCM
CMRR
–0.3
76
74
70
68
(V+) + 0.3
V
VS = +5.5V, –0.3V < VCM < (V+)-1.8
VS = +5.5V, –0.3V < VCM < (V+)-1.8
VS = +5.5V, –0.3V < VCM < 5.8V
VS = +5.5V, –0.3V < VCM < 5.8V
VS = +2.7V, –0.3V < VCM < 3V
VS = +2.7V, –0.3V < VCM < 3V
92
84
80
dB
dB
dB
dB
dB
dB
CMRR
CMRR
Common-Mode Rejection Ratio
Over Temperature
66
64
INPUT IMPEDANCE
Differential
Common-Mode
1013 || 3
1013 || 6
Ω || pF
Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
Over Temperature
AOL
RL = 100kΩ, 10mV < VO < (V+) –10mV
RL = 100kΩ, 10mV < VO < (V+) –10mV
RL = 5kΩ, 400mV < VO < (V+) –400mV
RL = 5kΩ, 400mV < VO < (V+) –400mV
104
100
96
122
120
dB
dB
dB
dB
Over Temperature
90
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
0.01%
CL = 100pF
GBW
SR
3
2
MHz
V/µs
µs
µs
µs
G = 5, 2V Output Step
G = 5, 2V Output Step
VIN • G = VS
VS = 5.5V, VO = 2.5Vp-p, G = 5, f = 1kHz
1.5
1.6
2.5
0.006
Overload Recovery Time
Total Harmonic Distortion + Noise
THD+N
%
OUTPUT
Voltage Output Swing from Rail(1)
RL = 100kΩ, AOL ≥ 96dB
RL = 100kΩ, AOL ≥ 104dB
RL = 100kΩ, AOL ≥ 100dB
RL = 5kΩ, AOL ≥ 96dB
1
3
mV
mV
mV
mV
mV
mA
10
10
400
400
Over Temperature
40
Over Temperature
Short-Circuit Current
Capacitive Load Drive
RL = 5kΩ, AOL ≥ 90dB
ISC
CLOAD
±15
See Typical Curve
POWER SUPPLY
Specified Voltage Range
Operating Voltage Range
Quiescent Current (per amplifier)
Over Temperature
VS
IQ
2.7
5.5
V
V
µA
µA
2.5 to 5.5
150
VS = 5.5V, IO = 0
250
300
TEMPERATURE RANGE
Specified Range
Operating Range
–40
–55
–65
85
125
150
°C
°C
°C
Storage Range
Thermal Resistance
SOT23-5 Surface Mount
MSOP-8 Surface Mount
SO-8 Surface Mount
TSSOP-14 Surface Mount
SO-14 Surface Mount
θJA
200
150
150
100
100
°C/W
°C/W
°C/W
°C/W
°C/W
NOTE: (1) Output voltage swings are measured between the output and power-supply rails.
®
OPA344, 2344, 4344
OPA345, 2345, 4345
3
BB [ BURR-BROWN CORPORATION ]
