PA41 Datasheet, PDF (3/4 Pages) Cirrus Logic – HIGH VOLTAGE POWER OPERATIONAL AMPLIFIERS

TYPICAL PERFORMANCE
GRAPHS
PA41/PA42 • PA41A/PA42A
POWER DERATING
15
T = T_C
12
T = T_C
9
PA41
PA42
6
T = T_A
3
T = T_A
0
0 25 50 75 100 125
TEMPERATURE, T (°C)
SMALL SIGNAL RESPONSE
120
100
C_C = 3.3pF
80
60
C_C = 10pF
40
C_C = 18pF
20
0
–20
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
HARMONIC DISTORTION
1.0
.6 ^AV ^{= 20}
.4 ^CC ^{= 3.3pf}
.2 ^{RL = 2K Ω}
.1
V_O = 30V_PP
.06
.04
V_O = 180V_PP
V_O = 60V_PP
.02
.01
.006
.004
.002
100 200 1K 3K 10K 30K 100K
FREQUENCY, F (Hz)
COMMON MODE REJECTION
120
100
80
60
40
20
0
1 10 100 1K 10K .1M 1M
FREQUENCY, F (Hz)
CURRENT LIMIT
140
130
120
110
+I _LIM
100
–I _LIM
90
80
–50 –25 0 25 50 75 100 125
CASE TEMPERATURE, T_C (°C)
PHASE RESPONSE
0
–30
C_C = 3.3pF
–60
C_C = 10pF _{CC = 18pF}
–90
–120 ^{CC = 18pF}
–150
C_C = 3.3pF
–180
–210
1
C_C = 10pF
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
SLEW RATE
60
50
40
30
20
10
0
0
4
8 12 16 20
COMPENSATION CAPACITANCE, C_C (pf)
POWER SUPPLY REJECTION
120
100
80
+V_S
60
–V_S
40
20
0
1 10 100 1K 10K .1M 1M
FREQUENCY, F (Hz)
CURRENT LIMIT
60
40
+I _LIM
20
0
–20
-I _LIM
–40
–60
0 100 200 300 400 500
CURRENT LIMIT RESISTOR, R _CL (Ω)
POWER RESPONSE
400
R_L = 10K Ω
200
C_C = 10pF
100
80
C_C = 3.3pF
60
40
20
C_C = 18pF
10K 20K30K 50K .1M .2M.3M .5M 1M
FREQUENCY, F (Hz)
QUIESCENT CURRENT
150
130
110
T C ^{= 85°C}
90
T C ^{= 25°C}
70
T C ^{= -25°C}
50
100 150 200 250 300 350
TOTAL SUPPLY VOLTAGE, V_S (V)
OUTPUT VOLTAGE SWING
18
16
14
85^{°C –OUT}
12
10
25^{°C – OUT}
8
–25^{°C – OUT}
6
–25^{°C +OUT}
4
85°C ^+OUT
2
0
25°C +OUT
0 20 40 60 80 100 120
OUTPUT CURRENT, I _O (mA)
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