PA98_09 Datasheet, PDF (4/7 Pages) Cirrus Logic – Power Operational Amplifiers

PA98 • PA98A
Product Innovation From
POWER DERATING
40
32
24
16
8
0
0 25 50 75 100 125 150
CASE TEMPERATURE, T_C (°C)
SMALL SIGNAL RESPONSE
120
100
C_C = 3.3pF
80
60 _{CC = 10pF}
40
20
C_C = 68pF
0
-20
10
1000
100 1K 10K 100K 1M 10M 20M
FREQUENCY, F (Hz)
SLEW RATE
500
200
PHASE RESPONSE
0
-45
-90
-135
C_C = 68pF
C_C = 10pF
-180
-225
-270
.2M
C_C = 3.3pF
1M
10M 40M
FREQUENCY, F (Hz)
SMALL SIGNAL RESPONSE
10
9
8
7
6
T_C ^{= 25°C}
T_C ^{= -55°C}
5
4
0 50 100 150 200 250
OUTPUT CURRENT, I_O (mA)
HARMONIC DISTORTION
.05
A_V = 30
.03 P_O = 15W
C_C = 10pF
R_L = 1KΩ
.01
.005
.003
100
0 15 30 45 60 75 90
EXT. COMPENSATION CAPACITOR, C_C (pF)
COMMON MODE REJECTION
140
C_C = 10pF
120
100
80
60
40
20
1K
10K 100K 1M 10M
FREQUENCY, F (Hz)
.001
10
100 1K 10K 100K
FREQUENCY, F (Hz)
POWER SUPPLY REJECTION
140
120
100
80
60
40
20
1 10 100 1K 10K 100K 1M
FREQUENCY, F (Hz)
QUIESCENT CURRENT
1.20
1.15
1.10
1.05
1.00
.95
T
C
=
125°C
T_C ^{= 25°C}
T_C = -55°C
.90
0
100 200 300 400450
TOTAL SUPPLY VOLTAGE, V_S (V)
SMALL SIGNAL RESPONSE
500
250
125
100
75
50
R_L = 2KΩ
25
50K 200K 500K 2M
5M
FREQUENCY, F (Hz)
INPUT NOISE VOLTAGE
20
15
10
7
5
3
2
10
500
300
200
100 1K 10K
FREQUENCY, F (Hz)
CURRENT LIMIT
100K
100
50
20
12
5 10 20 30
RESISTOR VALUE, R_CL (Ω)
4
PA98U