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參數(shù)資料
| 型號(hào)： | U4090B-P |
| 英文描述： | Low power dual voltage comparators |
| 中文描述： | U4090B磷[更新9 / 03。 34頁(yè)] |
| 文件頁(yè)數(shù)： | 15/34頁(yè) |
| 文件大?。?/td> | 622K |
| 代理商： | U4090B-P |
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15
U4090B-N
4740A–CORD–09/03
Output power
Load resistance
R
L
= 50
V
SAI
= 20 mV
I
L
= 15 mA
I
L
= 20 mA
, d < 5%
P
SA
P
SA
3
7
20
mW
Output noise (Input SAI open)
psophometrically weighted
Gain deviation
I
L
> 15 mA
n
SA
200
μV
psoph
I
L
= 15 mA, T
amb
= -10 to +60 C
I
L
= 15 mA
V
L
= 0 dBm
V
SAI
= 4 mV
Pin 23 open
I
L
= 15 to 100 mA
G
SA
±1
dB
Mute suppression
V
SAO
- 60
dBm
Gain change with current
Resistor for turning off speaker
amplifier
Gain change with frequency
Attack time of anti-clipping
Release time of anti-clipping
DTMF Amplifier Test Conditions: IMP = 2 mA, IM = 0.3 mA, V
MUTX
= VMP
Adjustment range of DTMF gain
G
SA
±1
dB
I
L
= 15 to 100 mA
RG
SA
0.8
1.3
2
M
I
L
= 15 mA, f = 300 to 3400 Hz
20 dB over drive
G
SA
tr
tf
±0.5
dB
ms
ms
5
80
I
L
= 15 mA mute active
I
L
= 15 mA
V
DTMF
= 8 mV
Mute active: MUTX = V
MP
I
L
= 15 mA, T
amb
= -10 to +60 C
R
GT
= 27 k ,
R
GT
= 15 k
I
L
15 mA
V
L
= 0 dBm
I
L
= 15 to 100 mA
G
D
50
dB
DTMF amplification
G
D
40.7
41.7
42.7
dB
Gain deviation
G
D
±0.5
300
130
dB
Input resistance
R
i
60
26
180
70
k
Distortion of DTMF signal
d
D
2
%
Gain deviation with current
AFS Acoustic Feedback Suppression
Adjustment range of attenuation
G
D
±0.5
dB
I
L
15 mA
I
L
15 mA
I
INLDT
= 0 μA
R
ATAFS
= 30 k
I
INLDR
= 10 μA
I
L
15 mA
I
INLDP
= 0 μA
R
ATAFS
= 30 k
I
INLDR
= 10 μA
I
L
15 mA
0
50
dB
Attenuation of transmit gain
G
T
45
dB
Attenuation of speaker amplifier
G
SA
50
dB
AFS disable
Supply Voltages, V
MIC
= 25 mV, T
amb
= -10 to +60 C
V
ATAFS
1.5
V
V
MP
I
L
= 14 mA
RDC = 68 k
I
MP
= 2 mA
V
MP
3.1
3.3
3.5
V
Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV
rms
, I
M
= 0.3 mA, I
MP
= 2 mA, RDC = 130 k , T
amb
= 25°C, RGSA = 560 k ,
Z
ear
= 68 nF + 100 , Z
M
= 68 nF, pin 31 open, V
IMPSEL
= GND, V
MUTX
= GND, V
MUTR
= GND, unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
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| U4090B-PFNG3Y | 功能描述:電信語(yǔ)音調(diào)制 IC COM.CORDED - FEATURE RoHS:否 制造商:Epson Electronics America 產(chǎn)品: 應(yīng)用:Voice Guidance product 封裝 / 箱體:PQFP-52 電源電壓-最大:3.6 V, 5.5 V 最大工作溫度: 最小工作溫度: 封裝: |
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