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參數(shù)資料
| 型號： | TLS2158 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low Noise Preamplifiers(單電源,8通道,低噪前置放大器) |
| 中文描述： | 低噪聲前置放大器（單電源，8通道，低噪前置放大器） |
| 文件頁數(shù)： | 9/25頁 |
| 文件大小： | 523K |
| 代理商： | TLS2158 |
TLS2154, TLS2156, TLS2158
5-V THIN-FILM 4-, 6-, AND 8-CHANNEL
LOW-NOISE READ/WRITE PREAMPLIFIERS
SQHS006 – SEPTEMBER 1996
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLS21C(D)56
PIN NOMENCLATURE (DB PACKAGE)
TERMINAL
NAME
I/O
DESCRIPTION
NO.
CS
28
I
Chip select. High input selects idle mode.
GND
29
I
Ground
H0X
2
I/O
X-head connection. Write-head positive differential input.
H0Y
3
I/O
Y-head connection. Write-head negative differential input.
H1X
4
I/O
X-head connection. Write-head positive differential input.
H1Y
5
I/O
Y-head connection. Write-head negative differential input.
H2X
6
I/O
X-head connection. Write-head positive differential input.
H2Y
7
I/O
Y-head connection. Write-head negative differential input.
H3X
8
I/O
X-head connection. Write-head positive differential input.
H3Y
9
I/O
Y-head connection. Write-head negative differential input.
H4X
10
I/O
X-head connection. Write-head positive differential input.
H4Y
11
I/O
Y-head connection. Write-head negative differential input.
H5X
12
I/O
X-head connection. Write-head positive differential input.
H5Y
13
I/O
Y-head connection. Write-head negative differential input.
HS2, HS1,
HS0
21, 22,
23
I
Head select. Selects one of six heads. During servo-write mode, selects two, four, or
six heads.
R/W
27
I
Read/write. High-level input selects read mode and a low-level input selects write
mode.
RDX, RDY
24, 25
O
Read data. Differential read-data output
NC
1, 14, 15,
16, 30
—
No internal connection
VCC
20
I
Supply voltage
WCS
26
I
Write-current set. Used to set the magnitude of the write-current bias. Can be wire
ORed when more than one device is used.
WDY, WDX
18, 19
I
Write data. Pseudo ECL, differential data input
WUS/SE
17
I/O
Write unsafe. Indicates write current is zero, mode is read, WDX/WDY frequency is
low, device is not selected, head is shorted or open, or low VCC.
Servo enable. When SE = VCC + 1.9 V, the servo-write head is turned on.
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