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| 型號： | TLS24302 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Magnetoresistive/Thin-Film Read/Write Preamplifiers(2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（2通道磁阻/薄膜讀/寫用前置放大器） |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 489K |
| 代理商： | TLS24302 |
TLS24302, TLS24306
2- AND 6-CHANNEL MAGNETORESISTIVE/THIN-FILM
READ/WRITE PREAMPLIFIERS
SQHS007A – DECEMBER 8, 1995 – REVISED DECEMBER 15, 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLS24306 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
30
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, 2, 3,
or 6 servo-write heads are turned on for multiwrite mode.
GND
10, 24, 32
Ground
HS0, HS1,
HS2
3, 4, 5
I
(CMOS)
Head select. Selects up to six heads. During servo-write mode, selects two, three, or six 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
23
I
X-head connection. MR element positive single-ended input.
R2X
25
I
X-head connection. MR element positive single-ended input.
R3X
31
I
X-head connection. MR element positive single-ended input.
R4X
33
I
X-head connection. MR element positive single-ended input.
R5X
38
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
21
O
X-head connection. TF write-section positive differential output.
W1Y
22
O
Y-head connection. TF write-section negative differential output.
W2X
27
O
X-head connection. TF write-section positive differential output.
W2Y
26
O
Y-head connection. TF write-section negative differential output.
W3X
28
O
X-head connection. TF write-section positive differential output.
W3Y
29
O
Y-head connection. TF write-section negative differential output.
W4X
35
O
X-head connection. TF write-section positive differential output.
W4Y
34
O
Y-head connection. TF write-section negative differential output.
W5X
36
O
X-head connection. TF write-section positive differential output.
W5Y
37
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.
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