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參數(shù)資料
| 型號(hào)： | PCA3004TPB |
| 英文描述： | Amplifier. Other |
| 中文描述： | 放大器。其他 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大小： | 133K |
| 代理商： | PCA3004TPB |
PCA3000
3
RECOMMENDED OPERATING CONDITIONS
Parameter
Rating
Unit
DC Supply Voltage
VCC
5±10%
VDC
Operating Junction Temperature
Tj
+25 to +110
°C
Write Head Load Range
L
h
0.2 to 1
μH
Read Head resistance
R
MR
15 to 45
PIN DESCRIPTIONS
Name
Type
Description
HS0,HS1,HS2
I
Head Select: selects one of six heads
CS
I
Chip Select: a high inhibits the chip
R/W
I
Read/Write: a high selects Read mode
DUMMY
I
Selects a dummy Read head
FAULT
O
FAULT - in Write mode a high indicates an unsafe writing condition
- in Read mode a low indicates a head to media short
High level disables read head fault flag
DSBF
I
WDI -
WDI
I
Write Data In: changes the direction of the current in the
recording head. Pseudo ECL inputs
X, Y Head Connections for thin film heads
W0X - W5X; W0Y - W5Y
O
R0P - R5P; R0N - R5N
I
Head Connections for MR read heads
RDX, RDY
O
X, Y Read Data: differential read data output
IWSET
Write Current set: used to set the magnitude of the write current
IRSET
Read bias current set
C1
Filter for the MR bias current loop
C1S
O
Servo drive for C1
C2
Filter for the MR bias current set
C2S (64 TQFP)
O
Servo drive for C2
FAST
I
High level enables fast settling mode of the read
TFC
I
Toggle Flop Control high sets ÷2
VCC
I
+5V Supply
GND
I
Ground
GNDR
I
Read circuitry ground
These signals can be wire OR'ed
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