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AD9142ABCPZRL 数据表(PDF) 59 Page - Analog Devices |
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AD9142ABCPZRL 数据表(HTML) 59 Page - Analog Devices |
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59 / 73 page  AD9142A Data Sheet PLL STATUS 1 REGISTER Address: 0x17, Reset: 0x00, Name: PLL_STATUS1 Table 46. Bit Descriptions for PLL_STATUS1 Bits Bit Name Settings Description Reset Access [5:0] PLL_BAND_READBACK Indicates the VCO band currently selected. 0x00 R IDAC FS ADJUST LSB REGISTER Address: 0x18, Reset: 0xF9, Name: IDAC_FS_ADJ0 Table 47. Bit Descriptions for IDAC_FS_ADJ0 Bits Bit Name Settings Description Reset Access [7:0] IDAC_FULLSCALE_ADJUST_LSB IDAC full-scale adjust, these bits, along with Bits[1:0] in Register 0x19, set the full-scale current of the IDAC. The full- scale current can be adjusted from 8.64 mA to 31.68 mA. The default value (0x1F9) sets the full-scale current to 20 mA. 0xF9 RW IDAC FS ADJUST MSB REGISTER Address: 0x19, Reset: 0xE1, Name: IDAC_FS_ADJ1 Table 48. Bit Descriptions for IDAC_FS_ADJ1 Bits Bit Name Settings Description Reset Access [7:5] Reserved Set to default value for optimal performance. 0x7 RW [1:0] IDAC_FULLSCALE_ADJUST_MSB IDAC full-scale adjust, these bits, along with Bits[7:0] in Register 0x18,the full-scale current of the IDAC. The full-scale current can be adjusted from 8.64 mA to 31.68 mA. The default value (0x1F9) sets the full-scale current to 20 mA. 0x1 RW QDAC FS ADJUST LSB REGISTER Address: 0x1A, Reset: 0xF9, Name: QDAC_FS_ADJ0 Table 49. Bit Descriptions for QDAC_FS_ADJ0 Bits Bit Name Settings Description Reset Access [7:0] QDAC_FULLSCALE_ADJUST_LSB QDAC Full-Scale Adjust, these bits, along with Bits[1:0] in Register 0x1B, set the full-scale current of the QDAC. The full-scale current can be adjusted from 8.64 mA to 31.68 mA. The default value (0x1F9) sets the full-scale current to 20 mA. 0xF9 RW QDAC FS ADJUST MSB REGISTER Address: 0x1B, Reset: 0x01, Name: QDAC_FS_ADJ1 Table 50. Bit Descriptions for QDAC_FS_ADJ1 Bits Bit Name Settings Description Reset Access [1:0] QDAC_FULLSCALE_ADJUST_MSB QDAC Full-Scale Adjust, these bits, along with Bits[7:0] in Register 0x1A, set the full-scale current of the QDAC. The full-scale current can be adjusted from 8.64 mA to 31.68 mA. The default value (0x1F9) sets the full-scale current to 20 mA. 0x1 RW Rev. A | Page 58 of 72 |
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