參數(shù)資料
型號： TPS9104Y
廠商： Texas Instruments, Inc.
英文描述： CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM
中文描述： 移動用戶終端電源/音頻系統(tǒng)
文件頁數(shù)： 12/33頁
文件大?。?/td> 557K
代理商： TPS9104Y
TPS9104
CELLULAR SUBSCRIBER TERMINAL
POWER SUPPLY/AUDIO SYSTEM
SLVS133A – AUGUST 1996 – REVISED APRIL 1998
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS9104Y electrical characteristics, T
J
= 25
°
C,
V
CC
= VCP = 4 V, Px = 0 V, I
O(Vx)
= 35 mA,
OFF = VL, ON open, ON_REM = 0 V, Cx
=
10
μ
F (unless otherwise noted)
voltage reference (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
IO = 0
1.185
V
LDO Regulators
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage at VA, VB, VL (Vx)
Px = VCC
IO(Vx) = 100 mA,
IO(Vx) = 0 mA to 100 mA
IO(Vx) = 100 mA,
f = 120 Hz
2.95
3
3.05
V
Dropout voltage
VCC = 3.2 V
100
mV
Load regulation
30
mV
Line regulation
VCC = 3.5 V to 10 V
10
mV
Ripple rejection
60
dB
μ
A
Quiescent current (each regulator)
100
charge pump driver
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Frequency
100
kHz
Duty cycle
50%
Output resistance
15
speaker amplifier/ringer amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage swing
Single-ended,
RL = 32
2
V
Output offset voltage
Av = 1 V/V
VI(PP) = 1 V,
Av = 1 V/V,
Av = 10 V/V
100 Hz
≤
BW
≤
100 kHz
15
mV
Total harmonic distortion (THD)
f = 1 kHz,
RL = 32
0.5%
Gain bandwidth product (GBW)
20
kHz
μ
Vrms
mA
Input noise
200
Quiescent current (each amplifier)
2
Reference AREF
Reference, AREF
PL = VCC
PL = 0 V
1.221
V
1.345
microphone amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Common mode input range
1
VA –1
V
Output voltage swing
10 k
load,
Av = 1 V/V
VA = 3.3 V
2.7
3
V
Output offset voltage
6
mV
RESET
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Threshold voltage
VL voltage decreasing
2.93
V
Threshold voltage
VL voltage decreasing,
PL = VCC
2.6
V
Delay
See Figure 5
250
ms
Hysteresis
40
mV
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effect must be
taken into account separately.
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