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參數(shù)資料
| 型號(hào)： | TLS24310 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Magnetoresistive/Thin-Film Read/Write Preamplifiers(10通道磁阻/薄膜讀/寫用前置放大器) |
| 中文描述： | 磁阻/薄膜讀/寫前置放大器（10通道磁阻/薄膜讀/寫用前置放大器） |
| 文件頁數(shù)： | 19/31頁 |
| 文件大?。?/td> | 676K |
| 代理商： | TLS24310 |
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TLS24308, TLS24310, TLS24318, TLS24320
8- AND 10-CHANNEL MAGNETORESISTIVE/THIN-FILM
READ/WRITE PREAMPLIFIERS
SQHS009 – JANUARY 1996
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
write mode
Taking both CS and R/W low activates the write mode. The head select inputs HS0–HS3 (HS0–HS2 for
TLS24308 and TLS 224318) select the appropriate head. In the write mode, the circuit acts as a current switch
with write current toggled between the X and Y directions of the thin-film selection of the selected head. Write
current is toggled on each transition of WDX or WDY. When WDX is at a higher potential than WDY, thin-film
Y connection is at a higher potential than thin-film X connection. When the metal option flip-flop is enabled, the
write current is toggled on the rising edge of WDX/WDY and a preceding idle or read mode initializes the write
data flip-flop to pass write current from the Y side to the X side of the head.
The relationships of WDX/WDY and WUS with flip-flop disabled and flip-flop enabled are illustrated in Figure 2
and Figure 3.
WDX–WDY
WUS
Ix–Iy (FF)
Figure 2. Write-Mode Timing Diagram (Flip-Flop Disabled)
WDX–WDY
WUS
Ix–Iy (FF)
Figure 3. Write-Mode Timing Diagram (Flip-Flop Enabled)
The base-to-peak (0-p) magnitude of the write current [I
I(W)
] is determined by the following formula:
I
I(W)
G
W
V
WC
R
WC
K
W
R
WC
Where:
G
W
is the write-current gain in A/A.
K
W
is the TF-write current constant of 40 V.
R
WC
is a resistor connected from WCS to GND.
(9)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TLS24318 | Magnetoresistive/Thin-Film Read/Write Preamplifiers(8通道磁阻/薄膜讀/寫用前置放大器) |
| TLS24320 | Magnetoresistive/Thin-Film Read/Write Preamplifiers(10通道磁阻/薄膜讀/寫用前置放大器) |
| TLSU163 | TLSU163 |
| TLSU163F | TLSU163 |
| TLSU164 | TLSU163 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLS245 | 制造商:Texas Instruments 功能描述: |
| TLS24M554DBT | 制造商:Texas Instruments 功能描述:24M554DBT |
| TLS2501DZQLRG1 | 制造商:Texas Instruments 功能描述: |
| TLS251 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TLG251, TLY251, TLO251, TLS251 |
| TLS255K100C1A | 制造商:CORNELL DUBILIER ELECTRONICS 功能描述:Cap Tant Wet 2.5uF 100V 10% (5.56 X 15.45mm) Axial |
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