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參數(shù)資料
| 型號： | BL34118 |
| 廠商： | 上海貝嶺股份有限公司 |
| 英文描述： | Voice Switched Speakerphone Circuit |
| 中文描述： | 語音開關(guān)揚(yáng)聲器電路 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 567K |
| 代理商： | BL34118 |
BL34118
ELECTRICAL CHARACTERISTICS
(T
A
=+25
°
C, Vcc=5.0V, CD
≤
0.8V, unless noted)
Parameter
Power Supply
Vcc Supply Current (Vcc=6.5V, CD=0.8V)
http://www.belling.com.cn
- 4 -
8/15/2006
Total
11 Pages
Wrote by 2006
Symbol
Min
Typ
Max
Units
(Vcc=6.5V,CD= 2.0V)
Icc
-
-
5.5
600
8.0
800
mA
μ
A
k
Vdc
CD Input Resistance (Vcc=VCD=6.5V)
CD Input Voltage – High
_ Low
R
CD
V
CDH
V
CDL
50
2.0
0
90
-
-
-
Vcc
0.8
Vdc
V
B
Output Voltage (Vcc = 3.5V)
(Vcc = 5.0V)
V
B
-
1.8
1. 3
2.1
-
2.4
Vdc
V
B
Output Resistance (I
VB
= 1.0 mA)
R
OVB
-
400
-
V
B
Power Supply Rejection Ratio (C
VB
= 220 uF, f = 1.0kHz)
ATTENUATORS
(T
A
= +25
°
C)
Receive Attenuator Gain (f = 1.0 kHz, VLC = VB)
PSRR
-
54
-
dB
Rx Mode, RXI = 150 mVrms (Vcc = 5.0V)
Rx Mode, RXI = 150 mVrms (Vcc = 3.5V)
Gain Change – Vcc = 3.5V versus Vcc = 5.0V
AGC Gain Change – Vcc = 2.8V versus Vcc = 5.0V
Idle Mode, RXI = 150 mVrms
Range (Rx to Tx mode)
G
RX
G
RX
G
RX1
G
RX2
G
RXI
G
RX3
+4.0
+4.0
-0.5
-
-22
49
+6.0
+6.0
0
-25
-20
52
+8.0
+8.0
+0.5
-15
-17
54
dB
Volume Control Range (Rx Mode, 0.3VB < VLC < VB)
V
CR
27
35
-
dB
RXO DC Voltage (Rx Mode)
V
RXO
-
VB
±
10
-
-
Vdc
RXO DC Voltage (Rx to Tx Mode)
V
RXO
-
±
150
-
mV
RXO High Voltage (Iout = - 1.0mA RXI = VB + 1.5V)
V
RXOH
3.7
Vdc
RXO Low Voltage ( Iout = - 1.0 mA, RXI = VB – 1.0, Output
measured with respect to VB)
V
RXOL
-
-1.5
-1.0
Vdc
RXI Input Resistance (RXI < 350 mVrms)
R
RXI
7.0
10
14
k
Transmit Attenuator Gain (f = 1.0 kHz)
Tx Mode, TXI = 150 mVrms
Idle Mode, TXI = 150 mVrms
Range (Tx to Rx Mode)
G
TX
G
TXI
G
TXI
+4.0
-22
49
+6.0
-20
52
+8.0
-17
54
dB
TXO DC Voltage (Tx Mode)
V
TXO
-
VB
±
30
-
-
Vdc
TXO DC Voltage (Tx to Rx Mode)
V
TXO
-
±
150
-
mV
TXO High Voltage (Iout = -1.0 mA TXI = VB +1.5V)
V
TXOH
3.7
Vdc
TXO Low Voltage (Iout = +1.0 mA, TXI = VB – 1.0V, Output
measured with respect to VB)
V
TXOL
-
-1.5
-1.0
Vdc
TXI Input Resistance (TXI < 350 mVrms)
R
TXI
7.0
10
±
0.1
14
k
Gain Tracking ( G
RX
+ G
TX
, @ Tx, Idle, Rx)
G
TR
-
-
dB
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