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TLS24302

更新时间： 2024-11-24 21:15:03
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管
页数 文件大小 规格书
23页 483K
描述
IC,READ/WRITE CIRCUIT,2-CHANNEL,BICMOS,TSSOP,30PIN,PLASTIC

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TLS24302 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
Reach Compliance Code：not_compliant风险等级：5.92
JESD-30 代码：R-PDSO-G30信道数量：2
端子数量：30最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP30,.25,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：5 V认证状态：Not Qualified
子类别：Drive Electronics最大压摆率：62 mA
标称供电电压：5 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUALBase Number Matches：1

TLS24302 数据手册

 浏览型号TLS24302的Datasheet PDF文件第2页浏览型号TLS24302的Datasheet PDF文件第3页浏览型号TLS24302的Datasheet PDF文件第4页浏览型号TLS24302的Datasheet PDF文件第5页浏览型号TLS24302的Datasheet PDF文件第6页浏览型号TLS24302的Datasheet PDF文件第7页 
TLS24302, TLS24306  
2- AND 6-CHANNEL MAGNETORESISTIVE/THIN-FILM  
READ/WRITE PREAMPLIFIERS  
SQHS007A – DECEMBER 8, 1995 – REVISED DECEMBER 15, 1995  
Current-Bias/Current-Sense Architecture  
Multichannel Servo Write:  
– Upper or Lower Half Channels  
– Every Two Channels  
– All Channels  
Fabricated Using LinIMPACT-C BiCMOS  
Technology  
Operates From a Single 5-V Supply (±10%)  
Read-Fault (RUS), Write-Fault (WUS), and  
Idle-Fault (IUS) Detection  
Low-Power Idle Mode  
Single-Ended Input to Reader With One  
Side Grounded  
MR-Head Open Protection and MR-Head  
Short Detection Available (Metal Option,  
Disabled)  
True Differential Read Output  
Wide Magnetoresistive (MR) Resistor  
Thermal-Asperity Detection Available  
(Metal Option, Disabled)  
[R  
] Range From 10 Ω to 40 Ω  
(MR)  
MR-Head Bias Current [I  
Programmable From 7 mA to 17 mA  
]
I(BIAS)  
Pseudo-ECL (PECL) Differential-Write-Data  
(WDX and WDY) Inputs  
Buffered-Head-Voltage [V ] Monitor  
(BH)  
Write Data Divided-by-2 (FF) Circuit  
Available (Metal Option, Disabled)  
Gain: 230 V/V at R  
Bandwidth:  
= 20 Ω  
(MR)  
Channel Separation 70 dBa at f = 25 MHz  
– 65 MHz at –1 dB [R  
– 140 MHz at –3 dB [R  
= 20 Ω]  
(MR)  
Power-Supply Rejection Ratio (PSRR)  
50 dB at 25 MHz (Input Referred)  
= 20 Ω]  
(MR)  
Equivalent Input Noise = 0.55 nV/√Hz at  
= 20 Ω  
MR Bias On During Write Mode; Otherwise,  
Programmable On/Off  
R
(MR)  
Write-Head Current Programmable  
From 10 mA to 35 mA (Base to Peak)  
Input Control Lines:  
– Head Select HS (2 Channel) or  
HS0 – HS2 (6 Channel) With Internal  
Pullup Resistors  
Write-Current Rise/Fall Time = 3.7 ns  
– L  
(Head Only) = 180 nH  
I(TF)  
– R/W With Internal Pullup Resistor  
– CS With Internal Pullup Resistor  
– BHV/IBON With Internal Pulldown  
Resistor  
– R  
= 15 Ω, L  
= 25 mA  
= 50 nH  
I(TF)  
(lead)  
– I  
I(W)  
Fast Recovery Times:  
– Write to Read = 0.8 µs (BHV/IBON = L)  
– Read to Write = 50 ns  
Packaged in 30-Pin (2 Channel) and 38-Pin  
(6 Channel) Plastic TSSOP Packages  
Output Capacitance = 8.5 pF for Write  
Optimized for Package-On-Arm  
Applications  
PART NUMBER  
DESCRIPTION  
PACKAGE TYPE  
TLS24302  
TLS24306  
2-channel magnetoresistive/thin-film read/write preamplifier  
6-channel magnetoresistive/thin-film read/write preamplifier  
Plastic 30 pin (DBT)  
Plastic 38 pin (DBT)  
description  
The TLS24302 and TLS24306 are read/write BiCMOS preamplifiers designed for use with magnetoresistive  
(MR)/thin-film (TF) recording heads. The MR element is used for reading and the inductive thin-film section of  
the head is used for writing. The preamplifiers implement a current-bias/current-sense architecture. Both have  
a single-ended read input with a fully differential read (RDX, RDY) output that operates from a single 5-V supply.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
LinIMPACT-C is a trademark of Texas Instruments Incorporated.  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...23

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