Features: · Differential input trigger amplifier· Designed for signal conditioning of magnetoresistive sensor bridges· Two wire 7 and 14 mA current interface· Stabilized voltage supply source for external sensor bridges· Comparator with temperature controlled hysteresis· Wide temperature range· Ma...
UZZ7000T: Features: · Differential input trigger amplifier· Designed for signal conditioning of magnetoresistive sensor bridges· Two wire 7 and 14 mA current interface· Stabilized voltage supply source for ex...
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SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
VVAC |
DC supply voltage | not protected against incorrect polarity Tamb = -40 to +60 Tamb = -40 to +150 |
-0.5 - |
+19 15 |
V V |
VSA |
maximum input voltage range | t 5 s; Tamb = 26 ± 10 |
-0.5 |
7 |
V |
VSB |
maximum input voltage range | t 5 s; Tamb = 26 ± 10 |
-0.5 |
7 |
V |
Ptot |
total power dissipation | note 1 |
- |
320 |
m/W |
Tamb |
ambient operating temperature | VCC = 12 V; note 1 |
-40 |
+150 |
|
Tstg |
storage temperature |
-40 |
+150 |
The UZZ7000T is a differential input amplifier circuit with a trigger mechanism for application with magnetoresistive sensor bridges.
UZZ7000T is equipped with a two wire current interface. The polarity of an input voltage difference triggers the circuit supply
current between 7 and 14 mA.
The UZZ7000T also includes a voltage regulator for supply to an external sensor bridge.
An on-chip temperature sensor adapts the comparator hysteresis to the temperature dependent sensitivity of typical magnetoresistive sensors, such as the Philips KMZ family types.