参数资料
型号: GP2021
厂商: Mitel Networks Corporation
英文描述: GPS 12 channel Correlator Advance Information
中文描述: 全球定位系统12通道相关器研究进展信息
文件页数: 37/62页
文件大小: 372K
代理商: GP2021
42
GP2021
ELECTRICAL CHARACTERISTICS
T amb = –40
°C to 85 °C, V DD = 5V 10%. The input thresholds and output voltage limits for the logic signal pins are
tested and guaranteed by production test. All other parameters are guaranteed by characterisation and design. They apply within
the specified ambient temperature and supply voltage ranges unless otherwise stated.
Value
Characteristics
Symbol
Min
Typ
Max
Units
Conditions
Supply Current
I DD
22
mA
0 Channels enabled.
27
mA
4 Channels enabled.
32
mA
8 Channels enabled.
38
mA
12 Channels enabled.
20
150
A
Power Down Mode
2.2V – 3.3V (Note 3)
50
500
A
Power Down Mode 5.0V
(Note 3)
Battery backup Voltage
V BATT
2.2
V
Power Down Mode
All TTL Inputs, with and without
Pull–up or Pull–down Resistors:
type TTL
High level Input Voltage
2.0
V
Low level Input Voltage
0.8
V
Schmitt Trigger inputs Type ST1
Positive–going Threshold
VI +
1.9
2.3
V
V DD = 3V
Negative–going Threshold
VI –
0.8
1.2
V
V DD = 3V
Hysteresis
Vh
0.35
0.7
V
V DD = 3V
Schmitt Trigger inputs Type ST2
Positive–going Threshold
VI +
1.72
2.32
V
Negative–going Threshold
VI –
0.72
1.10
V
Hysteresis
Vh
0.3
0.62
V
Master clocks : type Diff
Note 2
Input Voltage High
0.8V DD
V
D.C. coupled
Input Voltage Low
0.2V DD
V
D.C. coupled
OR
D.C. coupled differential sinewave
(pk–pk)
130
mV
Mid point at nominal 4.3V
OR
Peak to Peak single sinewave
600
mV
AC coupled
Crystal Oscillator Type
XTLI, XTLO
Frequency Range
f osc
32
1000
kHz
Amplifier Transconductance
gm
220
550
2500
A/V
Output Impedance
Z0
20
56
100
kW
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