參數(shù)資料
型號: TPS9104PT
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): 10/33頁
文件大?。?/td> 557K
代理商: TPS9104PT
TPS9104
CELLULAR SUBSCRIBER TERMINAL
POWER SUPPLY/AUDIO SYSTEM
SLVS133A – AUGUST 1996 – REVISED APRIL 1998
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
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) (continued)
speaker amplifier/ringer amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage swing
Single-ended,
RL = 32
1.6
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
30
mV
Total harmonic distortion (THD)
f = 1 kHz,
RL = 32
0.5%
1%
Gain bandwidth product (GBW)
4
20
kHz
μ
Vrms
mA
Input noise
200
Quiescent current (each amplifier)
2
Reference voltage AREF
Reference voltage, AREF
PL = VCC
PL = 0 V
1.221
V
1.345
microphone amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Common mode input voltage range
1
VA –1
V
μ
A
V
Input bias current
Both inputs = VA/2
10 k
load,
Av = 1 V/V
f = 1 kHz,
Output voltage swing = 1 V, VO(PP)
Av = 100 V/V
Av = 100 V/V
Av = 100 V/V
100 Hz
BW
100 kHz
–1
1
Output voltage swing
VA = 3.3 V
2.7
3
Output offset voltage
6
mV
Total harmonic distortion (THD)
AV = 100 V/V,
0.5%
1%
Power-supply rejection ratio (PSRR)
100
dB
Common-mode rejection ratio (CMRR)
80
dB
Gain bandwidth product (GBW)
4
kHz
μ
Vrms
μ
A
Input noise
10
Quiescent current
180
RESET
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input threshold voltage
VL voltage decreasing
2.871
2.93
2.989
V
Input threshold voltage
VL voltage decreasing,
PL = VCC
2.548
2.6
2.652
V
Timeout delay at RESET
See Figure 5
125
250
375
ms
Low-level output voltage
IO = 1 mA,
VO = 2.4 V
VO = 0.4 V
VCC = 1.5 V
0.4
V
μ
A
mA
High-level output current
–40
–20
Low-level output current
3.2
Hysteresis
40
mV
logic inputs at EN_A, EN_B, SPKR_EN, RNGR_EN, MIC_EN, EN_CP
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High-level input voltage
2
V
Low-level input voltage
0.8
V
μ
A
Input current
–20
–10
1
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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