AS5304 PDF 데이터시트 : 부품 기능 및 핀배열

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high
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Datasheet: AS5304/AS5306 Integrated Hall ICs for Linear and Off-
Axis Rotary Motion Detection
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AS5304 / AS5306
Datasheet - Pin Assignments
4 Pin Assignments
Figure 2. Pin Assignments (Top View)
VSS
A
VDDP
B
TEST
AO
VDD
INDEX
NC
NC
1
2
3
4
5
6
7
8
9
10
20 ZPZ
19 TEST
18 TEST
17 TEST
16 VDDA
15 TEST_GND
14 TEST
13 TEST
12 TEST
11 NC
4.1 Pin Descriptions
Table 1. Pin Descriptions
Pin Nunber
1
Pin Name
VSS
2A
3 VDDP
4B
5,12,13,
14,17,18,19
6
7
TEST
AO
VDD
8 Index
9,10,11
15
16
20
TEST
TEST_GND
VDDA Hall
ZPZmskdis
Pin Type
Description
Supply pin
Supply ground
Digital output push pull or
open drain (programmable)
Incremental quadrature position output A. Short circuit current limitation
Supply pin
Peripheral supply pin, connect to VDD
Digital output push pull or
open drain (programmable)
Incremental quadrature position output B. Short Circuit Current Limitation
Analog input/output Test pins, must be left open
Analog output
AGC Analog Output. (Used to detect low magnetic field strength)
Supply pin
Positive supply pin
Digital output push pull or
open drain (programmable)
Index output, active HIGH. Short Circuit Current Limitation
Analog input/output Test pins, must be left open
Supply pin
Test pin, must be connected to VSS
Hall Bias Supply Support (connected to VDD)
Digital input
Test input, connect to VSS during operation
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Revision 1.9
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AS5304 / AS5306
Datasheet - Electrical Characteristics
Figure 3. Typical Digital Load
VDD = 5V
R L = 820O
A/B/Index
from
AS5304/6
TTL
74LS00
C L = 20pF
6.4 CAO Analog Output Buffer
Table 6. CAO Analog Output Buffer
Symbol
Parameter
Conditions
Min Typ Max Units
VOutRange
VOutRange
Minimum output voltage
Maximum output voltage
Strong field, minimum AGC
Weak field, maximum AGC
0.5 1 1.2 V
3 4 5.1 V
VOffs Offset
±10 mV
IL Current sink / source capability
5 mA
IShort
Average short circuit current
Reduces maximum operating temperature 6
40 mA
CL Capacitive load
10 pF
BW Bandwidth
5 KHz
6.5 Magnetic Input
Table 7. Magnetic Input
Symbol
Parameter
LP_FP
Magnetic pole length
TFP
Amag
Offmag
Tdmag
fmag
Magnetic pole pair length
Magnetic amplitude
Operating dynamic input range
Magnetic offset
Magnetic temperature drift
Input frequency
Conditions
AS5304
AS5306
AS5304
AS5306
Min Typ Max Units
2.0
mm
1.2
4.0
mm
2.4
10 60 mT
1:6 1:12
±0.5 mT
-0.2 %/K
0 5 kHz
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Revision 1.9
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