參數(shù)資料
型號(hào): TPS9104Y
廠商: Texas Instruments, Inc.
英文描述: CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM
中文描述: 移動(dòng)用戶終端電源/音頻系統(tǒng)
文件頁數(shù): 25/33頁
文件大?。?/td> 557K
代理商: TPS9104Y
TPS9104
CELLULAR SUBSCRIBER TERMINAL
POWER SUPPLY/AUDIO SYSTEM
SLVS133A – AUGUST 1996 – REVISED APRIL 1998
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 38
0.2
0.15
0.1
0
10
20
30
T
0.25
0.3
TOTAL HARMONIC DISTORTION
vs
LOAD RESISTANCE
0.35
40
50
60
RL – Load Resistance – k
MICROPHONE AMPLIFIER
VCC = 4 V
Px = 0 V
TA = 25
°
C
Figure 39
60
40
20
0.01
0.1
1
10
kS
80
f– Frequency – kHz
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
100
100
1000
MICROPHONE AMPLIFIER
VCC = 4 V
Px = 0 V
TA = 25
°
C
Figure 40
Figure 41
Gain
Phase
10
0
–10
1
10
f – Frequency – kHz
C
20
30
CLOSED-LOOP GAIN AND PHASE SHIFT
vs
FREQUENCY
40
100
1000
MICROPHONE AMPLIFIER
225
°
180
°
135
°
90
°
45
°
0
°
P
VCC = 4 V
Px = 0 V
Av = 100
RL = 10 k
TA = 25
°
C
40
20
0
1
10
100
V
60
80
f – Frequency – Hz
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
100
1000
10000
MICROPHONE AMPLIFIER
VCC = 4 V
Px = 0 V
TA = 25
°
C
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