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參數(shù)資料
| 型號： | UZZ7000T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Trigger amplifier with two wire current interface |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, SOT-96, 8 PIN |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 57K |
| 代理商： | UZZ7000T |
2000 Sep 05
2
Philips Semiconductors
Preliminary specification
Trigger amplifier with two wire current interface
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 external sensor
bridges
Comparator with temperature controlled hysteresis
Wide temperature range
Max. 19 V supply.
DESCRIPTION
The UZZ7000T is a differential input amplifier circuit with a
trigger mechanism for application with magnetoresistive
sensor bridges.
It 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 device 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.
PINNING
PIN
SYMBOL
DESCRIPTION
1
2
3
4
5
6
7
8
SA
n.c.
n.c.
VAC
GND
n.c.
VP
SB
positive differential input
not connected
not connected
current output and supply
ground
not connected
bridge supply
negative differential input
handbook, halfpage
4
5
1
Top view
8
MBK187
Fig.1 Simplified outline SOT96-1.
QUICK REFERENCE DATA
Notes
1.
2.
V
in
= V
SA
V
SB
.
Maximum power consumption according to power derating curve, see Fig.2.
SYMBOL
PARAMETER
CONDITIONS
T
amb
=
40 to +60
°
C
T
amb
=
40 to +150
°
C
V
VAC
= 12 V; V
in
> 0; note 1
V
VAC
= 12 V; V
in
< 0; note 1
MIN.
TYP.
MAX.
UNIT
V
VAC
DC supply voltage
5.5
12
7
14
4.9
19
15
4.3
+150
V
V
mA
mA
V
mA
°
C
I
VAC(L)
I
VAC(H)
V
VP
I
VP
T
amb
DC supply and output current
DC supply and output current
DC bridge supply voltage
bridge supply current capability
ambient operating temperature
40
V
VP
> 4.7 V
V
CC
= 12 V; note 2
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