參數(shù)資料
型號: MC145505
廠商: Motorola, Inc.
英文描述: Single Channel (1.5V) SVS with /MR in 5/SOT23 5-SOT-23 -40 to 85
中文描述: PCM編解碼器過濾單電路
文件頁數(shù): 12/28頁
文件大?。?/td> 539K
代理商: MC145505
MC145500
MC145501
MC145502
MC145503
MC145505
12
MOTOROLA
Figure 1. Test Circuit
* To define RDD when TDD is high Z.
MC145503
VAG
RxO
+ Tx
TxI
– Tx
Mu/A
PDI
VSS
VDD
RDD
RCE
RDC
TDC
TDD
TDE
VLS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
600
5 k
10 k
681
VAG
Rx
Tx
– 5 V
CLOCK
ENABLE
51 k
*
5 V
0.1
μ
F
0.1
μ
F
Table 1. Options Available by Pin Selection
RSI*
Pin Level
Vref*
Pin Level
Peak–to–Peak Overload Voltage
(Txl, RxO)
VDD
VDD
VAG
VAG
VSS
VSS
VSS
7.56 V p–p
VAG + VEXT
VSS
VAG + VEXT
VSS
VAG + VEXT
(3.02 x VEXT) V p–p
5 V p–p
(2 x VEXT) V p–p
6.3 V p–p
(2.52 x VEXT) V p–p
* On MC145500/03/05, RSI and Vref tied internally to VSS. On MC145501, Vref
tied internally to VSS.
Table 2. Summary of Operation Conditions User Programmed Through Pins VDD, VAG, and VSS
Pin
Programmed
Logic
Level
Mu/A
RSI
Peak Overload
Voltage
VLS
CMOS
Logic Levels
VDD
Mu–Law Companding Curve and D3/D4 Digital
Formats with Zero Code Suppress
3.78
VAG
Mu–Law Companding Curve and Sign
Magnitude Data Format
2.50
TTL Levels
VAG Up
VSS
A–Law Companding Curve and CCITT Digital
Format
3.15
TTL Levels
VSS Up
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