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| 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)： | 8/31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
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLS24318 Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
NO.
BHV/IBON
9
I/O
Read mode. Buffered-head-voltage (BHV) monitor (amplified by 5
×
).
Write mode. MR-head bias current on (IBON) during write.
CAP1
34, 35
Capacitor 1. Decoupling capacitor for MR-bias-current feedback amplifier.
CAP2H
16
Capacitor 2H. High side of single-to-differential reference decoupling capacitor.
CAP2L
17
Capacitor 2L. Low side of single-to-differential reference decoupling capacitor.
CS
15
I (CMOS)
Chip select. High input selects idle mode.
FLT/SE
13
I/O
Fault detection/servo enable. FLT/SE low indicates WDX/WDY frequency low, head short or
open, no write current, thermal asperity detected, or low VCC. When FLT/SE = VCC + 1.2 V,
all servo-write heads are turned on for multiwrite servo mode.
GND
10, 21, 28,
37, 38, 45
Ground
HS0–HS2
3, 4, 5
I (CMOS)
Head select. Selects up to eight heads. During servo-write mode, selects all heads.
R/W
14
I (CMOS)
Read/write select. A high-level input selects read mode; a low-level input selects write mode.
R0X
20
I
X-head connection. MR element positive single-ended input.
R1X
22
I
X-head connection. MR element positive single-ended input.
R2X
27
I
X-head connection. MR element positive single-ended input.
R3X
29
I
X-head connection. MR element positive single-ended input.
R4X
36
I
X-head connection. MR element positive single-ended input.
R5X
39
I
X-head connection. MR element positive single-ended input.
R6X
44
I
X-head connection. MR element positive single-ended input.
R7X
46
I
X-head connection. MR element positive single-ended input.
RCS
1
I
Read current set. Used to set the magnitude of the read-current bias.
RDX, RDY
12, 11
O
Read data. Differential read-data outputs.
VCC
W0X
8
Supply voltage
19
O
X-head connection. TF write-section positive differential output.
W0Y
18
O
Y-head connection. TF write-section negative differential output.
W1X
23
O
X-head connection. TF write-section positive differential output.
W1Y
24
O
Y-head connection. TF write-section negative differential output.
W2X
26
O
X-head connection. TF write-section positive differential output.
W2Y
25
O
Y-head connection. TF write-section negative differential output.
W3X
30
O
X-head connection. TF write-section positive differential output.
W3Y
31
O
Y-head connection. TF write-section negative differential output.
W4X
33
O
X-head connection. TF write-section positive differential output.
W4Y
32
O
Y-head connection. TF write-section negative differential output.
W5X
40
O
X-head connection. TF write-section positive differential output.
W5Y
41
O
Y-head connection. TF write-section negative differential output.
W6X
43
O
X-head connection. TF write-section positive differential output.
W6Y
42
O
Y-head connection. TF write-section negative differential output.
W7X
47
O
X-head connection. TF write-section positive differential output.
W7Y
48
O
Y-head connection. TF write-section negative differential output.
WCS
2
I
Write-current set. Used to set the magnitude of the write-current bias.
WDX, WDY
6, 7
I (PECL)
Write data. Psuedo-ECL, positive differential write-data inputs.
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) |
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