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参数资料
| 型号： | MC34118DW |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 17/22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
4
Parameter
Symbol
Min
Typ
Max
Units
LEVEL DETECTORS AND BACKGROUND NOISE MONITORS (TA =+25°C)
Transmit--Receive Switching Threshold
(Ratio of Current at RLI1 + RLI2 to 20 A
at TLI1 +TLI2toswitchfromTxtoRx)
ITH
0.8
1.0
1.2
Source Current at RLO1, RLO2, TLO1, TLO2
ILSO
—
-- 2.0
—
mA
Sink Current at RLO1, RLO2, TLO1, TLO2
ILSK
—
4.0
—
A
CPR, CPT Output Resistance (Iout =1.5 mA)
RCP
—
35
—
CPR, CPT Leakage Current
ICPLK
—
-- 0.2
—
A
FILTER (TA =+25°C)
Voltage Offset at FO (VFO -- VB, 220 k from VB to FI)
FOVOS
-- 200
-- 90
0
mV
FO Sink Current
IFO
150
260
400
A
FI Bias Current
IFI
—
-- 50
—
nA
SYSTEM DISTORTION (TA =+25°C,f=1.0kHz)
Rx Mode (From FI to RXO, FO connected to RXI)
THDR
—
0.5
3.0
%
Tx Mode (From MCI to HTO--/HTO+, includes Tx attenuator)
THDT
—
0.8
3.0
%
1. All currents into a device pin are positive, those out of a pin are negative. Algebraic convention rather than magnitude is used to define limits.
Figure 1. Hybrid Amplifier Distortion Test
10 k
0.1
Vin
HTI
VB
R
51 k
R
HTO--
VB
HTO+
X1 INSTR.
AMPLIFIER
TO DIST.
ANALYZER
1200
+
--
+
--
TEMPERATURE CHARACTERISTICS
Parameter
Typical Value
@25°C
Typical Change
-- 20 to + 60°C
VCC Supply Current (CD = 0.8 V)
5.0 mA
-- 0.3%/°C
VCC Supply Current (CD = 2.0 V)
400 A
-- 0.4%/°C
VB Output Voltage (VCC =5.0 V)
2.1 V
+0.8%/°C
Attenuator Gain (Max Gain)
+6.0 dB
0.0008 dB/°C
Attenuator Gain (Max Attenuation)
-- 46 dB
0.004 dB/°C
Attenuator Input Resistance (@ TXI, RXI)
10 k
+0.6%/°C
Dial Tone Detector Threshold
15 mV
+20 V/°C
CT Source, Sink Current
± 60 A
-- 0.15 %/°C
Microphone, Hybrid Amplifier Offset
0mV
± 4.0 V/°C
Transmit--Receive Switching Threshold
1.0
± 0.02%/°C
Sink Current at RLO1, RLO2, TLO1, TLO2
4.0 A
-- 10 nA/°C
Closed Loop Gain (HTO-- to HTO+)
0dB
0.001%/°C
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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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