參數(shù)資料
型號: TLS24306
廠商: Texas Instruments, Inc.
英文描述: Magnetoresistive/Thin-Film Read/Write Preamplifiers(6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(6通道磁阻/薄膜讀/寫用前置放大器)
文件頁數(shù): 5/23頁
文件大小: 489K
代理商: TLS24306
TLS24302, TLS24306
2- AND 6-CHANNEL MAGNETORESISTIVE/THIN-FILM
READ/WRITE PREAMPLIFIERS
SQHS007A – DECEMBER 8, 1995 – REVISED DECEMBER 15, 1995
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLS24302 Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
NO.
BHV/IBON
7
I/O
Read mode. Buffered-head-voltage (BHV) monitor (amplified by 5
×
).
Write mode. MR-head bias current on (IBON) during write.
CAP1
24
Capacitor 1. Decoupling capacitor for MR-bias-current feedback amplifier.
CAP2H
14
Capacitor 2H. High side of single-to-differential reference decoupling capacitor.
CAP2L
15
Capacitor 2L. Low side of single-to-differential reference decoupling capacitor.
CS
13
I
(CMOS)
Chip select. High input selects idle mode.
FLT/SE
11
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, both
servo-write heads are turned on for multiwrite mode.
GND
8, 20, 25
Ground
HS
3
I
(CMOS)
Head select. Selects one of two heads.
NC
16, 21, 22,
23, 29, 30
No internal connection
R/W
12
I
(CMOS)
Read/write select. A high-level input selects read mode; a low-level input selects write mode.
R0X
19
I
X-head connection. MR element positive single-ended input.
R1X
26
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
10, 9
O
Read data. Differential read-data outputs.
VCC
W0X
6
Supply voltage
17
O
X-head connection. TF write-section positive differential output.
W0Y
18
O
Y-head connection. TF write-section negative differential output.
W1X
28
O
X-head connection. TF write-section positive differential output.
W1Y
27
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
4, 5
I
(PECL)
Write data. Psuedo ECL, differential write-data inputs.
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