Datasheet

OPA604
4
SBOS019A
www.ti.com
TYPICAL CHARACTERISTICS
T
A
= +25°C, V
S
= ±15V, unless otherwise noted.
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
Frequency (Hz)
THD + N (%)
1
0.1
0.01
0.001
0.0001
20 100 1k 10k 20k
G = 100V/V
G = 10V/V
G = 1V/V
Measurement BW = 80kHz
See “Distortion Measure-
ments” for description of
test method.
1kΩ
V =
3.5Vrms
O
TOTAL HARMONIC DISTORTION + NOISE
vs OUTPUT VOLTAGE
Output Voltage (V
PP
)
THD + N (%)
0.1 1 10 100
0.1
0.01
0.001
0.0001
1kΩ
V
O
f = 1kHz
Measurement BW = 80kHz
See “Distortion Measurements”
for description of test method.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
Frequency (Hz)
Voltage Gain (dB)
120
100
80
60
40
20
0
–20
1 10 100 1k 10k 100k 1M 10M
0
–45
–90
–135
–180
Phase Shift (Degrees)
G
φ
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
Frequency (Hz)
Voltage Noise (nV/ Hz)
1
1k
100
10
1
10 100 1k 10k 100k 1M
Current Noise (fA/ Hz)
1k
100
10
1
Voltage Noise
Current Noise
INPUT BIAS AND INPUT OFFSET CURRENT
vs TEMPERATURE
Ambient Temperature (°C)
Input Bias Current (pA)
–75
100nA
10nA
1nA
100
10
1
Input Offset Current (pA)
10nA
1nA
100
10
1
0.1
–50 –25 0 25 50 75 100 125
Input
Offset Current
Input
Bias Current
INPUT BIAS AND INPUT OFFSET CURRENT
vs INPUT COMMON-MODE VOLTAGE
Common-Mode Voltage (V)
Input Bias Current (pA)
–15
10nA
1nA
100
10
Input Offset Current (pA)
1nA
100
10
1
–10 –50 51015
Input
Offset Current
Input
Bias Current