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PDF TLE4925 Data sheet ( Hoja de datos )
| Número de pieza | TLE4925 | |
| Descripción | Differential Hall Sensor | |
| Fabricantes | Infineon Technologies AG | |
| Logotipo |  |
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Differential Hall Sensor
PRELIMINARY
TLE4925/TLE4925C
Features
• Advanced performance by dynamic self calibration principle
• High sensitivity
• Single chip solution
• Symmetrical thresholds
• High resistance to Piezo effects
• South and north pole pre-induction possible
• low cut-off frequency
• Digital output signal
• Two-wire and three-wire configuration possible
• Wide operating temperature range
• Fast start-up time
• Large operating air-gaps
• Reverse voltage protection at Vs- PIN
• Short- circuit and over temperature protection of output
• No external filter capacitor required (TLE4925C)
• Digital output signal (voltage interface)
• Module style package with two 4.7nF integrated capacitors (TLE4925C)
Page 1 of 25
1 page  
PRELIMINARY
1.1 Absolute Maximum Ratings
No.
Parameter
Symbol min Typ max Unit
Remarks
1.1.1
Supply voltage
VS -18
-24
-26
-28
18 V -
24 V 1h with RSeries ≥ 200Ω1
26 V 5min with RSeries ≥ 200Ω1
28 V 1min with RSeries ≥ 200Ω1
1.1.2
Supply current
IS -10
1.1.3 Output OFF voltage VQ -0.3
-0.3
-0.3
-1.0
25 mA -
18 V -
24 V 1h with RLoad ≥ 500Ω
26 V 5min with RLoad ≥ 500Ω
- V 1h (protected by internal
series resistor)
1.1.4 Output ON voltage
VQ
-
16 V Current internal limited by
short circuit protection
(72h @ TA < 40°C).
- 18 V Current internal limited by
short circuit protection
(1h @ TA < 40°C).
- 24 V Current internal limited by
short circuit protection
(1min @ TA < 40°C).
1.1.5 Continuous output IQ -50
current
50 mA -
1.1.6 Junction temperature Tj
-40
°C -
155 °C 2000h (not additive)
165 °C 1000h (not additive)
175 °C 168 h (not additive)
195 °C 3 x1 h (additive to the
other life times).
1.1.7
1.1.8
Storage temperature
Thermal resistance
junction-air for
TS
Rth JA
-40
150 °C -
190 K/W Lower values are possible
with overmoulded devices.
P-SSO-3-6
P-SSO-3-9
Note: Stresses above those listed here may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
1 Accumulated life time.
Page 5 of 25
5 Page 
PRELIMINARY
Note: The listed characteristics are ensured over the operating range of the integrated circuit. Typical
characteristics specify mean values expected over the production spread. If not otherwise
specified, typical characteristics apply at Tj=25°C and the given supply voltage.
3.1 Self-calibration Characteristics
No.
Parameter
Symbol min typ max
3.1.1
No. of transitions for
signal output at startup
nStart
2
(startup mode)
3.1.2
No. of transitions for
entering running mode
nCalib
7
3.1.3
Duty cycle in running
mode11
Dty 457
507
557
407 507
607
3.1.4
Signal jitter in running
mode; 1 sigma value7
σ1
σ2
≤ ±0.1112
≤ ±0.168
3.1.5
Signal Jitter in running
mode at power supply of
Vs=13V and ripple ±3V;
1 sigma value*
σ3
≤ ±0.11
Unit
--
Remarks
- Low accuracy of
switching timing
permitted
% ∆BPP = 10mT ideal
sinusoidal input
signal (Tj=25°C)
% ∆BPP = 10mT ideal
sinusoidal input
signal
(-40°C ≤ Tj < 175°C)
% ∆BPP = 10mT ideal
sinusoidal input
signal; Tj<150°C
% ∆BPP = 10mT ideal
sinusoidal input
signal;
150°C ≤ Tj < 175°C
% ∆BPP = 10mT ideal
sinusoidal input
signal; Tj<150°C
11 this corresponds to a ∆B0 = 0mT (magnetic offset).
12 typical half value of TLE4941-2 performance (depends largely on∆Bminand also on f).
Page 11 of 25
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet TLE4925.PDF ] | |
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