參數(shù)資料
型號: PSB4851
英文描述: Analog Front End for Sophisticated Answering Machine
中文描述: 模擬前端的精密應(yīng)答機(jī)
文件頁數(shù): 35/44頁
文件大小: 752K
代理商: PSB4851
PSB 4851
Data Sheet
35
09.99
4.2
DC Characteristics
The performance is guaranteed for 3.0V-3.6V or 4.75V-5.25V only. In emergency mode
the supply voltage range is 3.0V-5.25V for V
DDD
/V
DDA
/V
DDP
.
V
DDD
/
V
DDA
/V
DDP
= 3.0V-3.6V or 4.75V-5.25V;
V
SSD
/
V
SSA
/
V
SSP
= 0 V;
T
A
= 0 to 70 °C
Parameter
Symbol
Limit Values
min.
typ. max.
Input leakage current
I
IL
– 1.0
H-input level
V
IH
2.0
Unit Test Condition
1.0
V
DD
+
0.3
0.8
μ
A
V
0 V
V
IN
V
DD
L-input level
H-output level
V
IL
V
OH
– 0.3
V
DD
0.45
V
V
I
O
= 2 mA
L-output level
Input capacitance
Output capacitance
V
DD
standby supply
current
V
OL
C
I
C
O
I
DDS1
0.45
10
15
200
V
pF
pF
μ
A
I
O
= – 2 mA
I
DDS2
I
DDO1
50
1.8
3.8
μ
A
mA
mA
V
dd
=5 V,
power down (after reset),
no clock on AFECLK,
V
dd
=3.3 V,
power down (after reset),
no clock on AFECLK,
V
VREF
= ON
emergency ringing via ALS
(single ended mode)
emergency speech mode
(AHS in differential mode)
full operation (loudhearing)
V
DD
supply current
operating
1)
1)
Operating power dissipation is measured with all analog outputs open. All analog
inputs are set to
V
REF
.
I
DDO2
I
DDO3
5.1
20.0
mA
mA
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