TMA25A Datasheet, PDF (1/2 Pages) Topstek Inc. – Topstek Current Transducer

Topstek Current Transducer TMA25A .. TMA600A
TMA 25A~600A
Features
iHighly reliable Hall Effect device
iCompact and light weight
iFast response time
iExcellent linearity of the output voltage over a wide input range
iExcellent frequency response (> 50 kHz)
i Low power consumption (12 mA nominal)
i Capable of measuring both DC and AC, both pulsed and mixed
iHigh isolation voltage between the measuring circuit and the
current-carrying conductor (AC2.5KV)
iExtended operating temperature range
iFlame-Retardant plastic case and silicone encapsulate, using
UL classified materials, ensures protection against
environmental contaminants and vibration over a wide
temperature and humidity range
Applications
iUPS systems
iIndustrial robots
iNC tooling machines
iElevator controllers
iProcess control devices
iAC and DC servo systems
iMotor speed controller
iElectrical vehicle controllers
iInverter-controlled welding machines
iGeneral and special purpose inverters
iPower supply for laser processing machines
iController for traction equipment e.g. electric trains
iOther automatic control systems
Specifications
Parameter
Symbol Unit TMA25A TMA50A TMA100A TMA150A TMA200A TMA300A TMA400A TMA600A
Nominal Input Current
I_fn A DC ±25
±50 ±100 ±150 ±200 ±300 ±400 ±600
Linear Range
I_fs A DC ±75 ±150 ±300 ±450 ±600 ±900 ±900 ±900
Nominal Output Voltage
V_hn
V
4.0 V±1% at If=I_fn ( R_L=10kȍ)
Offset Voltage
V_os mV
Within ±40 mV @ I_f=0, T_a=25°C
Output Resistance
R_OUT ȍ
<100ȍ
Hysteresis Error
V_oh mV
Within ±20 mV @ I_f=I_fnĺ0
Supply Voltage
V_CC/V_EE V
±15V ±5%
Linearity
È¡%
Within ±1% of I_fn
Consumption Current
I_CC mA
±15 mA max
Response Time (90%V_hn)
T_r Psec
10 Psec @ d I_f /dt = I_fn / Psec
Frequency bandwidth (-3dB) f_BW Hz
DC to 50kHz
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Dielectric Strength
Isolation Resistance
@ 1000 VDC
Operating Temperature
- %/°C
- mV/°C
-
V
R_IS Mȍ
T_a °C
Within ±0.1 %/°C @ I_fn
Within ±1.5 mV/°C @ I_fn
AC2.5KV X 60 sec
>1000 Mȍ
-15°C to 80°C
Storage Temperature
T_s °C
-20°C to 85°C
Mass
Wg
65 g
- 80 -
www.topstek.com
TMA V080201 7/1/2008