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参数资料
| 型号： | MAX2112CTI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 12/19页 |
| 文件大小： | 0K |
| 描述： | IC TUNER DIR-CONV DVB-S2 28-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 925MHz ~ 2.175GHz |
| 应用： | 数字 TV，CATV，机顶盒 |
| 电流 - 接收： | 100mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 3.13 V ~ 3.47 V |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
MAX2112
Complete, Direct-Conversion
Tuner for DVB-S2 Applications
Table 11. Control Register
BIT NAME
BIT LOCATION (0 = LSB) DEFAULT
Software standby control.
FUNCTION
STBY
7
0
0 = Normal operation.
1 = Disables the signal path and frequency synthesizer leaving only the 2-wire
bus, crystal oscillator, XTALOUT buffer, and XTALOUT buffer divider active.
X
6
X
Don’t care.
Factory use only.
PWDN
5
0
0 = Normal operation;
other value is not tested.
X
4
X
Don’t care.
Baseband gain setting (1dB typical per step).
BBG[3:0]
3-0
0000
0000 = Minimum gain (0dB, default).
…
1111 = Maximum gain (15dB typical).
Table 12. Shutdown Register
BIT NAME
BIT LOCATION (0 = LSB) DEFAULT
FUNCTION
X
7
X
Don’t care.
PLL enable.
PLL
6
0
0 = Normal operation.
1 = Shuts down the PLL. Value not tested.
Divider enable.
DIV
5
0
0 = Normal operation.
1 = Shuts down the divider. Value not tested.
VCO enable.
VCO
4
0
0 = Normal operation.
1 = Shuts down the VCO. Value not tested.
Baseband enable.
BB
3
0
0 = Normal operation.
1 = Shuts down the baseband. Value not tested.
RF mixer enable.
RFMIX
2
0
0 = Normal operation.
1 = Shuts down the RF mixer. Value not tested.
RF VGA enable.
RFVGA
1
0
0 = Normal operation.
1 = Shuts down the RF VGA. Value not tested.
Front-end enable.
FE
0
0
0 = Normal operation.
1 = Shuts down the front-end. Value not tested.
12
Maxim Integrated
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