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參數(shù)資料
| 型號： | TDA5345HT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運動控制電子 |
| 英文描述： | 5 V spindle & VCM driver combo |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 2 A, PQFP64 |
| 封裝： | LOW PROFILE, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 39/44頁 |
| 文件大?。?/td> | 213K |
| 代理商： | TDA5345HT |
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1999 June 10
39
Philips Semiconductors
Preliminary specification
5 V spindle & VCM driver combo
TDA5345HT
4-6 VCM offset current using DAC 6
5. Others features
5-1 Power-On-Reset circuit:
5-2 Low voltage monitor circuit:
V
ClampOutL
INL
12
DNL
12
output voltage @ code 800 code written to register #8
integral non-linearity
differential non-linearity
0.462
0.482
0.502
+5
+0.5
V
-5
LSB
LSB
-0.5
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Unit
RESO
6
t
SetFull
t
SetLSB
I
OffFullPos
I
OffFullNeg
INL
6
DNL
6
resolution
settling time, full range
settling time, 1 LSB
full scale positive current
full scale negative current
integral non-linearity
differential non-linearity
6
6
Bits
μ
s
μ
s
mA
mA
LSB
LSB
GbD
GbD
2.0
1.0
55
-45
+1
+0.5
45
-55
-1
-0.5
50
-50
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
T5
threshold voltage level for
the 5 V supply.
5 V detection hysteresis
resistor between Por5Adj
and GND
por5Adj resistors ratio
por cap current charge
minimum operating voltage GbD
low level output voltage
pull up resistor
response time
3.98
4.1
4.22
V
V
H5
R
L5
80
110
54
140
mV
k
RATIO
5v
i
CPOR
V
OP
V
OL
R
PU
t
RES
Ratio
5
= R
L5
/ (R
L5
+ R
H5
)
0.3
2.4
μ
A
V
V
k
μ
s
0.5
0.5
26
I
L
= 1 mA
between Vdd5 & PorN
14
20
0.5
1
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
FAULT
V
Hfault
t
RES
fault detect voltage
fault detection hysteresis
response time
4.08
70
4.2
100
0.5
4.32
130
V
mV
μ
s
1
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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