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| 型號： | TLS21H62-3PW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Read/Write Preamplifier(5V,2通道低噪讀寫前置運放) |
| 中文描述： | 讀/寫前置放大器（5V的，2通道低噪讀寫前置運放） |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 200K |
| 代理商： | TLS21H62-3PW |
TLS21H62-3PW
5-V THIN-FILM 2-CHANNEL LOW-NOISE READ/WRITE PREAMPLIFIER
SQHS015 – MAY 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended supply voltage and operating free-air temperature
ranges:
I
W
= 15 mA, L
h
= 1
μ
H, R
h
= 30
, f
DATA
= 5 MHz, CL = < 20 pF, WDI tr/tf = 1 ns
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ts(WR)
ts(RW)
ts(CSW)
ts(CSR)
ts(HS)
tpd
tpd
tr, tf
t(su)
t(us1)
Settling time, write-to-read switch
To 90% of 100 mV
0.4
0.6
Settling time, read-to-write switch
To 90% of IW
To 10% of IW
To 90% of 100 mV
0.1
0.3
CS to unselect write
0.6
1
CS to select read
0.6
1
Settling time to any head (read mode)
To 90% of 100 mV
0.2
0.6
Propagation delay time
To write current
Lh = 0
μ
H, Rh = 0
Lh = 0
μ
H, Rh = 0
Lh = 1
μ
H, Rh = 30
WDI frequency low
8
11
Propagation delay time, differential
WDI to IX–IY
1
ns
Rise and fall times, write current
7.5
10
ns
μ
s
WUS/SE safe to unsafe, transition delay time
0.6
2
3.6
WUS/SE unsafe to safe, transition delay time
Fault cleared
All except WDI
WDI frequency low,
See Note 4
0.2
0.6
t(us2)
WUS/SE unsafe to safe, transition delay time
Fault cleared
1.1
2.1
μ
s
NOTE 4: Device clears the WDI frequency low fault condition by detecting minimum frequency (at least one complete period cycle).
switching characteristics over recommended supply voltage and operating free-air temperature
ranges
PARAMETER
TEST CONDITIONS
MIN
3.9
TYP
4.1
MAX
4.3
UNIT
Vhys
Low VCCthreshold voltage (hysteresis)
Low VCC threshold voltage (hysteresis)
Fault detected
V
Fault removed
4.2
4.3
4.4
f(WDI)
Frequency low fault detection at WDI
1000
kHz
tpd
Propagation delay time,
p g
frequency low detection at WDI
Safe to unsafe
Unsafe to safe
0.6
2
3.6
2.1
μ
s
1.1
P
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLS21H62-3PWR | 制造商:Texas Instruments 功能描述: |
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