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参数资料
| 型号： | MC34118DW |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 16/22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
3
ELECTRICAL CHARACTERISTICS (TA =+25°C, VCC =5.0 V, CD ≤ 0.8 V, unless noted)
Parameter
Symbol
Min
Typ
Max
Units
ATTENUATORS (continued) (TA =+25°C)
Transmit Attenuator Gain (f = 1.0 kHz)
Tx Mode, TXI = 150 mVrms
Idle Mode, TXI = 150 mVrms
Range (Tx to Rx Mode)
GTX
GTXI
+4.0
-- 22
49
+6.0
-- 20
52
+8.0
-- 17
54
dB
TXO DC Voltage (Tx Mode)
VTXO
—
VB
—
Vdc
TXO DC Voltage (Tx to Rx Mode)
VTXO
—
± 30
± 150
mV
TXO High Voltage (Iout =--1.0 mA TXI = VB +1.5 V)
VTXOH
3.7
—
Vdc
TXO Low Voltage (Iout =+1.0 mA,TXI =VB -- 1.0 V,
Output measured with respect to VB)*
VTXOL
—
-- 1.5
-- 1.0
Vdc
TXI Input Resistance (TXI < 350 mVrms)
RTXI
7.0
10
14
k
Gain Tracking (GRX +GTX,@Tx,Idle, Rx)*
GTR
—
± 0.1
—
dB
* See text for explanation.
ATTENUATOR CONTROL (TA =+25°C)
CT Voltage (Pin 14 -- VB)
Rx Mode (VLC =VB)
Idle Mode
Tx Mode
VCT
—
+ 240
0
-- 240
—
mV
CT Source Current (switching to Rx mode)
ICTR
-- 85
-- 60
-- 40
A
CT Sink Current (switching to Tx mode)
ICTT
+40
+60
+85
A
CT Slow Idle Current
ICTS
—
0
—
A
CT Fast Idle Internal Resistance
RFI
1.5
2.0
3.6
k
VLC Input Current
IVLC
—
-- 60
—
nA
Dial Tone Detector Threshold
VDT
10
15
20
mV
MICROPHONE AMPLIFIER (TA =+25°C, VMUT ≤ 0.8 V, AVCL = 31 dB unless otherwise noted)
Output Offset (VMCO -- VB, Feedback R = 180 k)
MCOVOS
-- 50
0
+50
mVdc
Open Loop Gain (f < 100 Hz)
AVOLM
70
80
—
dB
Gain Bandwidth
GBWM
—
1.0
—
MHz
Output High Voltage (Iout =--1.0 mA, VCC =5.0 V)
VMCOH
3.7
—
Vdc
Output Low Voltage (Iout =+1.0 mA)
VMCOL
—
200
mVdc
Input Bias Current (@ MCI)
IBM
—
-- 40
—
nA
Muting (Gain) (f=1.0kHz,VMUT =2.0 V)
(300 Hz <f<10kHz)
GMT
-- 55
—
-- 68
—
dB
MUT Input Resistance (VCC =VMUT =6.5 V)
RMUT
50
90
—
k
MUT Input — High
VMUTH
2.0
—
VCC
Vdc
MUT Input — Low
VMUTL
0
—
0.8
Vdc
Distortion (300 Hz < f < 10 kHz)
THDM
—
0.15
—
%
HYBRID AMPLIFIERS (TA =+25°C)
HTO -- Offset (VHTO-- -- VB, Feedback R = 51 k)
HVOS
-- 20
0
+20
mVdc
HTO-- to HTO+ Offset (Feedback R = 51 k)
HBVOS
-- 30
0
+30
mVdc
Open Loop Gain (HTI to HTO--, f < 100 Hz)
AVOLH
60
80
—
dB
Gain Bandwidth
GBWH
—
1.0
—
MHz
Closed Loop Gain (HTO-- to HTO+)
AVCLH
-- 0.35
0
+0.35
dB
Input Bias Current (@ HTI)
IBH
—
-- 30
—
nA
HTO-- High Voltage (Iout =--5.0 mA)
VHT--H
3.7
—
Vdc
HTO-- Low Voltage (Iout =+5.0 mA)
VHT--L
—
250
mVdc
HTO+ High Voltage (Iout =--5.0 mA)
VHT+H
3.7
—
Vdc
HTO+ Low Voltage (Iout =+5.0 mA)
VHT+L
—
450
mVdc
Distortion (300 Hz < f < 10 kHz, See Figure 1)
THDH
—
0.3
—
%
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相关代理商/技术参数 |
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|---|---|
| MC34118-E28-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
| MC34118EG | 制造商:Rochester Electronics LLC 功能描述: |
| MC34118G-D28-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
| MC34118G-E28-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
| MC34118G-S28-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
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