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ADS9217 Datasheet(PDF) 45 Page - Texas Instruments

Part # ADS9217
Description  ADS911x 18-Bit, 20MSPS SAR ADC With Fully Differential ADC Input Driver
PDF  68 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

ADS9217 Datasheet(HTML) 45 Page - Texas Instruments

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8.2.14 Register C1h (offset = C1h) [reset = 0h]
Figure 8-39. Register C1h
15
14
13
12
11
10
9
8
RESERVED
PD_REF
RESERVED
DATA_RATE
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
RESERVED
CLK2
R/W-0h
R/W-0h
Figure 8-40. Register C1h Field Descriptions
Bit
Field
Type
Reset
Description
15-12
RESERVED
R/W
0h
Reserved. Do not change from the default reset value.
11
PD_REF
R/W
0h
ADC reference voltage source selection.
0 : Internal reference enabled.
1 : Internal reference disabled. Connect the external
reference voltage to the REFIO pin.
10-9
RESERVED
R/W
0h
Reserved. Do not change from the default reset value.
8
DATA_RATE
R/W
0h
Select data rate for the data interface.
0 : Double data rate (DDR)
1 : Single data rate (SDR)
7-1
RESERVED
R/W
0h
Reserved. Do not change from the default reset value.
0
CLK2
R/W
0h
Select data rate for the data interface.
0 : Configuration for DATA_LANES = 2 or 7
8.2.15 Register C4h (offset = C4h) [reset = 0h]
Figure 8-41. Register C4h
15
14
13
12
11
10
9
8
RESERVED
R/W-0h
7
6
5
4
3
2
1
0
RESERVED
OSR_INIT2
RESERVED
OSR_INIT3
PD_CHIP
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
Figure 8-42. Register C4h Field Descriptions
Bit
Field
Type
Reset
Description
15-6
RESERVED
R/W
0h
Reserved. Do not change from the default reset value.
5-4
OSR_INIT2
R/W
0h
Initialization for data averaging.
0 : Configuration for disabling data averaging
2 : Configuration for enabling data averaging
3-2
RESERVED
R/W
0h
Reserved. Do not change from the default reset value.
1
OSR_INIT3
R/W
0h
Initialization for data averaging.
0 : Configuration for disabling data averaging
1 : Configuration for enabling data averaging
0
PD_CHIP
R/W
0h
Full chip power-down control.
0 : Normal device operation
1 : Full device powered down
www.ti.com
ADS9117, ADS9118, ADS9119
SLVSIN3 – MAY 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: ADS9117 ADS9118 ADS9119



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