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參數(shù)資料
| 型號(hào)： | 935210150512 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 光電元器件 |
| 英文描述： | 1 CHANNEL READ WRITE AMPLIFIER CIRCUIT, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, SOT-137-1, SOP-24 |
| 文件頁(yè)數(shù)： | 8/26頁(yè) |
| 文件大?。?/td> | 203K |
| 代理商： | 935210150512 |
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1998 Mar 17
16
Philips Semiconductors
Preliminary specication
QIC read-write amplier
TZA1000
Notes
1. G is a 4-bit number contained in control bits G0 to G3 (see Table 12).
2. 6 dB step via a fixed setting, and 16 dB (in 1 dB steps) via AGC control.
3. S is a 7-bit number contained in control bits S0 to S6 (see Table 15).
4. The TZA1000 is guaranteed to operate reliably with sense currents of up to 33 mA.
5. The operational clock frequency (pin 15) must be >16 times higher the SCLK frequency to ensure reliable serial
transfer.
6. W is a 7-bit number contained in control bits W0 to W6 (see Table 14). A more accurate calculation of the write
current would be given by: Ic =It 0.003 × It2, where It = 125 (W + 1) / 128, It the target current and Ic the
write current.
7. The TZA1000 is guaranteed to supply a write current of up to 60 mA.
8. 10 to 90% of a total current reversal.
9. Difference between negative-to-positive and positive-to-negative current slopes.
Vhys(AGC)
hysteresis in AGC detection
level
65
75
85
mV
BAGC
AGC bandwidth
1.5
MHz
fclk
operational clock
note 5
0
24
MHz
Write section
Iwrite
write current
Rhead =10 ;
Rref = 430;
0-peak; W = 32; note 6
27.3
28.8
30.3
mA
Iwrite(max)
maximum write current
Rhead =10 ; note 7
60
80
mA
I
write
difference between positive
and negative write currents
Iwrite =30mA;
05
%
tt(iwrite)(Rload)
write current transition time
note 8
resistive load
resistive load, 10
4
ns
head load
Rhead =10 ;
Lhead = 200 nH
612
ns
Vo(p-p)(1,3)
output voltage swing
(peak-to-peak value)
3
V
tR-W
read to write time
0.2
s
tW-R
write to read time
10
s
tWD
WD pulse asymmetry
in WDI mode; note 9
01
ns
tWDIH
WDI pulse time HIGH
5
ns
tWDIL
WDI pulse time LOW
5
ns
Rdet(WUS)
WUS detection
resistance level
short circuited to VDD or
VSS; Iwrite =30mA
10
open; Iwrite =30mA
150
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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