參數(shù)資料
型號: CSP1027
元件分類: Codec
英文描述: CSP1027 Voice Band Codec for Cellular Handset and Modem Applications
中文描述: CSP1027語音頻帶編解碼器的蜂窩手機(jī)和調(diào)制解調(diào)器應(yīng)用
文件頁數(shù): 48/64頁
文件大小: 937K
代理商: CSP1027
CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
Data Sheet
December 1999
Lucent Technologies Inc.
48
9 Electrical Characteristics and Requirements
The following electrical characteristics are preliminary and are subject to change. Electrical characteristics refer to
the behavior of the device under specified conditions. Electrical requirements refer to conditions imposed on the
user for proper operation of the device. The parameters below are valid for the following conditions:
V
DD
= 5 V ± 10% (See Section 8.3 on page 47 for exceptions.)
Table 12. Digital Electrical Characteristics and Requirements
Parameter
Symbol
Min
Max
Unit
Input Voltage (except PORCAP):
Low
High
PORCAP Input Voltage:
Low
High
Input Current (except EIGS, IOCK, PORCAP):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (EIGS):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (IOCK):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (PORCAP):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Output Low Voltage:
Low (I
OL
= 2.0 mA)
Low (I
OL
= 50 μA)
Output High Voltage:
High (I
OH
= –2.0 mA)
High (I
OH
= –50 μA)
Output 3-State Current:
Low (V
DD
= 5.5 V, V
IL
= 0 V)
High (V
DD
= 5.5 V, V
IH
= 5.5 V)
Input Capacitance
V
IL
V
IH
0.7 x V
DD
0.3 x V
DD
V
V
V
IL
V
IH
0.7 x V
DD
0.5 x V
DD
V
V
I
IL
I
IH
–5
5
μA
μA
I
IL
I
IH
–5
100
μA
μA
I
IL
I
IH
–100
5
μA
μA
I
IL
I
IH
–100
5
μA
μA
V
OL
V
OL
0.4
0.2
V
V
V
OH
V
OH
V
DD
– 0.7
V
DD
– 0.2
V
V
I
OZL
I
OZH
C
I
–10
10
10
μA
μA
pF
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