ELECTRICAL CHARACTERISTICS (TA =+25°C, V
參數(shù)資料
型號(hào): MC34118DW
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 16/22頁(yè)
文件大小: 0K
描述: IC VOICE SWITCH SPKPHONE 28-SOIC
標(biāo)準(zhǔn)包裝: 26
功能: 語音切換式揚(yáng)聲電話
電路數(shù): 1
電源電壓: 3.5 V ~ 6.5 V
電流 - 電源: 5.5mA
工作溫度: -20°C ~ 60°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 管件
包括: 背景噪聲監(jiān)視器,芯片禁用,撥號(hào)音調(diào)檢測(cè)器,驅(qū)動(dòng)器放大器,電平檢測(cè)器,麥克風(fēng)放大器,靜音
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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