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參數(shù)資料
| 型號(hào)： | TLS24318 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Magnetoresistive/Thin-Film Read/Write Preamplifiers(8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（8通道磁阻/薄膜讀/寫用前置放大器） |
| 文件頁(yè)數(shù)： | 9/31頁(yè) |
| 文件大?。?/td> | 676K |
| 代理商： | TLS24318 |
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TLS24308, TLS24310, TLS24318, TLS24320
8- AND 10-CHANNEL MAGNETORESISTIVE/THIN-FILM
READ/WRITE PREAMPLIFIERS
SQHS009 – JANUARY 1996
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLS24310 Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
NO.
BHV/IBON
10
I/O
Read mode. Buffered-head-voltage (BHV) monitor (amplified by 5
×
).
Write mode. MR-head bias current on (IBON) during write.
Capacitor 1. Decoupling capacitor for MR-bias-current feedback amplifier.
Capacitor 2H. High side of single-to-differential reference decoupling capacitor.
Capacitor 2L. Low side of single-to-differential reference decoupling capacitor.
Chip select. High input selects idle mode.
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.
Ground
Head select. Selects up to ten heads. During servo-write mode, selects all heads.
Read/write select. A high-level input selects read mode; a low-level input selects write mode.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
X-head connection. MR element positive single-ended input.
Read current set. Used to set the magnitude of the read-current bias.
Read data. Differential read-data outputs.
Supply voltage
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
X-head connection. TF write-section positive differential output.
Y-head connection. TF write-section negative differential output.
Write-current set. Used to set the magnitude of the write-current bias.
Write data. Psuedo-ECL, positive differential write-data inputs.
CAP1
CAP2H
CAP2L
CS
33
17
18
16
I (CMOS)
FLT/SE
14
I/O
GND
HS0–HS3
R/W
R0X
R1X
R2X
R3X
R4X
R5X
R6X
R7X
R8X
R9X
RCS
RDX, RDY
VCC
W0X
W0Y
W1X
W1Y
W2X
W2Y
W3X
W3Y
W4X
W4Y
W5X
W5Y
W6X
W6Y
W7X
W7Y
W8X
W8Y
W9X
W9Y
WCS
WDX, WDY
11, 35
3, 4, 5, 6
15
34
32
31
30
29
40
39
38
37
36
1
13, 12
9
20
19
22
21
24
23
26
25
28
27
41
42
43
44
45
46
47
48
49
50
2
7, 8
I (CMOS)
I (CMOS)
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I (PECL)
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