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ADA4570WHRZ-R7 数据表(PDF) 3 Page - Analog Devices

部件名 ADA4570WHRZ-R7
功能描述  Integrated AMR Angle Sensor and Signal Conditioner with Differential Outputs
PDF  14 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADA4570WHRZ-R7 数据表(HTML) 3 Page - Analog Devices

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Data Sheet
ADA4570
SPECIFICATIONS
analog.com
Rev. 0 | 3 of 14
VDD = 2.7 V to 5.5 V, differential load capacitance (CL) = 22 nF, load resistance (RL ) = 200 kΩ to GND. The operating temperature range
(OTR) for the ADA4570B is −40°C ≤ TA ≤ +125°C and for the ADA4570WH is −40°C ≤ TA ≤ +150°C. The angle inaccuracies referred to the
homogenous magnetic field with a minimum flux density of 30 mT. All listed environmental conditions are valid, unless otherwise stated.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
MAGNETIC CHARACTERISTICS
Magnetic Flux Density, BEXT
30
mT
The stimulating magnetic flux density
in the x-y sensor plane necessary to
ensure operation within specified limits
Magnetic Field Rotational Frequency
50,000
rpm
Reference Position Error
±50
μm
Reference Angle Error
±2
Degrees
ANGULAR PERFORMANCE
Angle Measurement Range
0
180
Degrees
Uncorrected Angular Error1 (αUNCORR)
ADA4570B/ADA4570WH
±3
Degrees
TA = −40°C
±3
Degrees
TA = 25°C
±4
Degrees
TA = 125°C
ADA4570WH
±5
Degrees
TA = 150°C
Single Point Calibration Angular Error2 (αCAL)
ADA4570B/ADA4570WH
±0.5
Degrees
TA = −40°C to +125°C
ADA4570WH
±0.7
Degrees
TA = −40°C to +150°C
Dynamic Angular Error3, 4 (αDYNAMIC)
ADA4570B/ADA4570WH
±0.1
±0.4
Degrees
TA = −40°C to +125°C
ADA4570WH
±0.1
±0.5
Degrees
TA = −40°C to +150°C
OUTPUT PARAMETERS
Differential Peak Amplitude (VAMP)
ADA4570B/ADA4570WH
56
77
% VDD
TA = −40°C
52
72
% VDD
TA = 25°C
38
57
% VDD
TA = 125°C
ADA4570WH
35
55
% VDD
TA = 150°C
Single-Ended Output Voltage Range5 (VO_SWING) 7
93
% VDD
Single-Ended Output Voltage Low5, 6 (VOL)
ADA4570B/ADA4570WH
3.75
% VDD
TA = −40°C to +125°C
ADA4570WH
5
% VDD
TA = −40°C to +150°C
Differential Output Referred Offset Voltage
(VOFFSET)
ADA4570B/ADA4570WH
3.75
% VDD
TA = −40°C to +125°C
ADA4570WH
3.9
% VDD
TA = −40°C to +150°C
Amplitude Synchronism7 (k)
99
101
% peak
Differential measurement
Amplifier Propagation Delay8 (tDEL)
2.35
µs
Phase Error8, 9 (ΦERR)
0.85
Degrees
Orthogonality Error
±0.05
Degrees
Output Noise (VNOISE)
850
µV rms
Bandwidth = 80 kHz, referred to output
(RTO)
Output Series Resistance (RO)
60
Ω
Output −3 dB Cutoff Frequency (f−3dB)
175
kHz
Amplifier bandwidth, CL = 10 pF
Power Supply Rejection (PSRR)
80
dB
Measured as output variation
from VDD/2, VDD = 5.0 V, TA= 25°C



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