参数资料
型号: MC34118DW
厂商: Freescale Semiconductor
文件页数: 4/22页
文件大小: 0K
描述: IC VOICE SWITCH SPKPHONE 28-SOIC
标准包装: 26
功能: 语音切换式扬声电话
电路数: 1
电源电压: 3.5 V ~ 6.5 V
电流 - 电源: 5.5mA
工作温度: -20°C ~ 60°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
包括: 背景噪声监视器,芯片禁用,拨号音调检测器,驱动器放大器,电平检测器,麦克风放大器,静音
MC34118
MOTOROLA
12
Figure 12. Level Detector AC Transfer Characteristics
Figure 13. Level Detector AC Transfer
Characteristics versus Frequency
Figure 14. Receive Attenuator versus Volume Control
Figure 15. Receive Attenuation Gain versus VCC
Figure 16. Microphone Amplifier and 1st Hybrid
Amplifier Open Loop Gain and Phase
Figure 17. Input Characteristics @ CD, MUT
0
160
120
80
40
20
40
60
80
INPUT SIGNAL (mVrms)
OUTPUT
CHANGE
(mV)
VB
350
2.0 F
Vout
(RLO1, RLO2
TLO1, TLO2)
+
--
(RLI1, RLI2
TLI1, TLI2)
Vin
@1.0 kHz
C
R
0
VB
350
2.0 F
Vout
(RLO1, RLO2
TLO1, TLO2)
+
--
(RLI1, RLI2
TLI1, TLI2)
Vin
@1.0 kHz
0.047
10 k
-- 5.0
-- 10
-- 15
-- 20
300
1.0K
3.0K
10K
OUTPUT
CHANGE
FROM
1.0
kHz
(mV)
0
+5.0
Vin ≥ 10 mV
Vin =10mVrms
0.2
-- 10
-- 20
-- 30
-- 40
0.4
0.6
0.8
1.0
VLC/VB
GAIN
(dB)
0
+10
-- 50
MINIMUM RECOMMENDED LEVEL
CIRCUIT IN RECEIVE MODE
2.8
-- 12
-- 18
-- 24
-- 30
2.9
3.0
3.1
3.2
VCC (VOLTS)
GAIN
CHANGE
(dB)
-- 6.0
0
3.3
3.4
3.5
CIRCUIT IN RECEIVE MODE
0.5 VB ≤ VLC ≤ VB
MICROPHONE
AMP PHASE
HYBRID AMP
PHASE
GAIN
100
60
40
20
0
1.0K
10K
100K
1.0M
FREQUENCY (Hz)
A
80
+ 100
f, FREQUENCY (Hz)
VOL
(d
B)
0
60
40
20
0
1.0
2.0
3.0
VCC +1.0 V
INPUT VOLTAGE (VOLTS)
80
100
VALID FOR
0 ≤ CD, MUT ≤ VCC
INPUT
CURRENT
(A
)
4.0
5.0
6.5
0
36
72
108
144
180 EXCESS
PHASE
(D
EGREES)
Vin =1.0 mVrms
10 mVrms
40 mVrms
4.0
A
4.0
A
R=5.1 k, C=0.1 F
R=10k,C=0.1 F
R=10k,C=0.047 F
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