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参数资料
| 型号： | GM-205810-000 |
| 厂商： | DeLorme |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | MODULE GPS RCVR GPS2058 |
| 产品目录绘图： | GM-205810-000 |
| 标准包装： | 1 |
| 频率： | 1575.42MHz |
| 数据传输率 - 最大： | 57.6 kbps |
| 调制或协议： | GPS |
| 应用： | GPS 接收器 |
| 电流 - 接收： | 50mA |
| 数据接口： | PCB，表面贴装 |
| 存储容量： | 16kB 闪存 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 40 引脚 |
| 包装： | 剪切带 (CT) |
| 其它名称： | GM-205810-000CT |
Power Supply Options
The GPS2058 module can be powered by two different methods. The preferred method will depend on the supply voltages
available on the PCB and the power consumption goals of the system.
A single external 3.3V supply can be used to power the entire module. When only the external 3.3V supply is used the voltage
is down converted inside the module to supply the core 1.8V. Using an external 3.3V supply requires 85mA (typical) of total
current for the entire module.
There is power loss associated with the internal regulator. If external 3.3V and 1.8V sources are both available to power the
module the internal regulator can be shut off to eliminate its power loss. The external 3.3V supply is still needed to power the
I/O and some other components in the module requiring 3.3V (i.e.; LNA).
When using the dual 3.3V and 1.8V supply rails approximately 50mA of current comes from the 1.8V rail while about 35mA will
come from the 3.3V supply.
There is a NMEA command to turn off the internal regulator, $PDME,12,2. When the GPS2058 is initially powered on (and not
in STANDBY mode) the $PDME,12,2 command can be issued to power off the internal regulator and reduce the total power
consumption. When a hardware reset occurs the 1.8V regulator is powered on and the $PDME,12,2 command must be re-
issued to bypass the 1.8V regulator.
Note that the GPS2058 will still function properly using two supplies with the internal regulator still ON, providing the V18 never
exceeds 2.0V (abs max).
When an external 1.8V supply is not used the V18 supply pin should be left floating.
In order to fully enter STANDBY mode you should disable the internal 1.8V regulator when using an external 1.8V supply.
Coming out of STANDBY mode will require you to re-issue the command to disable the internal regulator if an external 1.8V
supply is used.
Page 8
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相关代理商/技术参数 |
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| GM-2058EV-101 | 功能描述:KIT EVAL GPS RCVR GPS2058-10 RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796 |
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