PA91 查看數據表（PDF） - Cirrus Logic
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PA91 Datasheet PDF : 6 Pages
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PA91
Parameter
Test Conditions1
Min
SETTLING TIME to 0.1%
RESISTANCE, no load
CC = OPEN, 2V step
POWER SUPPLY
VOLTAGE (Note 5)
±40
CURRENT, quiescent
THERMAL
RESISTANCE, AC, junction to case (Note 4) Full temp range, F > 60Hz
RESISTANCE, DC, junction to case
Full temp range, F < 60Hz
RESISTANCE, junction to air
Full temp range
TEMPERATURE RANGE, case
Meets full range specifications
-25
Typ
1
50
±150
10
30
Max
±225
14
2.5
4.2
+85
Units
µS
Ω
V
mA
°C/W
°C/W
°C/W
°C
NOTES: 1. (All Min/Max characteristics and specifications are guaranteed over the Specified Operating Condi-
tions. Typical performance characteristics and specifications are derived from measurements taken
at typical supply voltages and TC = 25°C).
2. Long term operation at the maximum junction temperature will result in reduced product life. Derate
power dissipation to achieve high MTTF.
3. +VS and –VS denote the positive and negative power supply rail respectively.
4. Rating applies if the output current alternates between both output transistors at a rate faster than
60Hz.
5. Derate max supply rating 0.625 V/°C below 25°C case. No derating needed above 25°C case.
TYPICAL PERFORMANCE GRAPHS
POWER DERATING
40
PHASE RESPONSE
90
NORMALIZED QUIES. CURRENT
1.3
32
OUTPUT STAGE
24
16
8
0
0 25 50 75 100 125 150
CASE TEMPERATURE, TC (°C)
SMALL SIGNAL RESPONSE
50
40
30
20
10
CC = 68 pF
0 CC = 10 pF
CC = 4.7 pF
–10 CC = OPEN
100K
1M
10M
FREQUENCY, F (Hz)
1K
700
PA95100U
300
200
SLEW RATE
135
180
CC = 68 pF
225 CC = 10 pF
CC = 4.7 pF
CC = OPEN
270
100k
1M
10M
FREQUENCY F (Hz)
OUTPUT VOLTAGE SWING
6
5.5
5
4.5
4
3.5
0
.05
0.1
0.15 0.2
OUTPUT CURRENT, IO (A)
HARMONIC DISTORTION
1
RL = 1KΩ
VS = 200V
AV = 63
.1
1.2
1.1
1.0
25
50
75
100
125
CASE TEMPERATURE, TC (°C)
POWER RESPONSE
500
400
300
200
100
90
80
70
60
50
10K
100K
1M
FREQUENCY, F (Hz)
INPUT NOISE VOLTAGE
20
15
3
10
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