Datasheet > ADA4571WHRZ-R7

ADA4571WHRZ-R7

更新时间： 2022-02-26 13:00:25

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
21页	576K
描述
Integrated AMR Angle Sensor and Signal Conditioner

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ADA4571WHRZ-R7 数据手册

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Data Sheet

ADA4571

SPECIFICATIONS

MAGNETIC CHARACTERISTICS

Table 1.

Parameter

Value Unit

Test Conditions/Comments

Magnetic Field Strength, H_EXT

kA/m

The stimulating magnetic field in the x-y sensor plane necessary to ensure the

minimum error as specified in Table 1 and Table 2

Maximum Magnetic Field Rotational

Frequency

50,000 rpm

Reference Position Error

µm

Reference position for y = 0 µm is the straight connection line of Pin 2 and Pin 7;

the x = 0 µm position is referred to the middle distance of the package top

Reference position for angle Φ = 0° is parallel to the straight connection line

Reference Angle Error

Degrees

of Pin 2 and Pin 7 ∠

ELECTRICAL CHARACTERISTICS

ADA4571WH

−40°C ≤ T_A≤ +150°C, V_DD= 2.7 V to 5.5 V, C_L= 10 nF to GND, R_L= 200 kΩ to GND; angle inaccuracies referred to homogenous

magnetic field of 25 kA/m; output signals and offset voltages are related to the common-mode level of V_DD/2, unless otherwise stated.

Table 2.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

ANGULAR PERFORMANCE

Angle Measurement Range

Uncorrected Angular Error¹

180

Degrees

α_UNCORR

T_A= −40°C

T_A= 25°C

T_A= 150°C

T_A= −40°C to +150°C, GC = GND

Single Point Calibration Angular α_CAL

Error^{2, 3}

0.7

T_A= −40°C to +150°C, GC = V_DD

T_A= −40°C to +150°C, rotation frequency =

2000 rpm

0.7

0.1

Degrees

Dynamic Angular Error⁴

α_DYNAMIC

0.5

OUTPUT PARAMETERS

Amplitude

V_AMP

GC = GND

T_A= −40°C

T_A= 25°C

T_A= 125°C

T_A= 150°C

T_A= −40°C

T_A= 25°C

T_A= 125°C

T_A= 150°C

% V_DD

% peak

µs

GC = V_DD

Output Voltage Range

Output Voltage Low

Output Referred Offset Voltage

V_{O_SWING}

V_OL

V_OFFSET

VSIN and VCOS, normal operation

VSIN or VCOS, broken bond wire detected

GC = V_DD

3.75

GC = GND

Amplitude Synchronism Error⁵

Delay Time

Phase Error⁶

Orthogonality Error³

Output Noise

−1

t_DEL

Φ_ERR

Rotation frequency = 30,000 rpm

0.8

Degrees

µV rms

0.05

V_NOISE

Bandwidth (BW) = 80 kHz, referred to

output (RTO)

Normal operation, PD = GND

PD = V_DD

500

Output Series Resistance

R_O

kΩ

kHz

Output −3 dB Cutoff Frequency³f_−3dB

Amplifier BW, C_L= 10 pF

100

Rev. 0 | Page 3 of 21

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