Lines Matching +full:only +full:- +full:1 +full:- +full:8 +full:v
1 .. SPDX-License-Identifier: GPL-2.0-only
23 * `AD7380-4 <https://www.analog.com/en/products/ad7380-4.html>`_
24 * `AD7381-4 <https://www.analog.com/en/products/ad7381-4.html>`_
25 * `AD7383-4 <https://www.analog.com/en/products/ad7383-4.html>`_
26 * `AD7384-4 <https://www.analog.com/en/products/ad7384-4.html>`_
27 * `AD7386-4 <https://www.analog.com/en/products/ad7386-4.html>`_
28 * `AD7387-4 <https://www.analog.com/en/products/ad7387-4.html>`_
29 * `AD7388-4 <https://www.analog.com/en/products/ad7388-4.html>`_
30 * `ADAQ4370-4 <https://www.analog.com/en/products/adaq4370-4.html>`_
31 * `ADAQ4380-4 <https://www.analog.com/en/products/adaq4380-4.html>`_
38 ----------------
40 ad738x ADCs can output data on several SDO lines (1/2/4). The driver currently
41 supports only 1 SDO line.
44 -----------------
46 ad7380-4
49 ad7380-4 supports only an external reference voltage (2.5V to 3.3V). It must be
50 declared in the device tree as ``refin-supply``.
55 adaq4370-4 and adaq4380-4 don't have an external reference, but use a 3.3V
56 internal reference derived from one of its supplies (``refin-supply``)
63 - Internal reference (2.5V)
64 - External reference (2.5V to 3.3V)
66 The source is determined by the device tree. If ``refio-supply`` is present,
70 ---------------------------------
73 average. Only normal average is supported by the driver, as rolling average can
75 available: 1 (oversampling disabled)/2/4/8/16/32.
77 When the on-chip oversampling function is enabled the performance of the ADC can
80 resolution boost feature can only be enabled when oversampling is enabled and
82 automatically enables the resolution boost if and only if oversampling is
85 Since the resolution boost feature causes 16-bit chips to now have 18-bit data
91 .. code-block:: bash
95 Channel selection and sequencer (single-end chips only)
96 -------------------------------------------------------
98 Single-ended chips of this family (ad7386/7/8(-4)) have a 2:1 multiplexer in
103 From an IIO point of view, all inputs are exported, i.e ad7386/7/8
104 export 4 channels and ad7386-4/7-4/8-4 export 8 channels.
107 0-1 or 0-3) and inputs ``AinX1`` correspond to second half (i.e 2-3 or 4-7).
108 Example for AD7386/7/8 (2 channels parts):
110 .. code-block::
112 IIO | AD7386/7/8
113 | +----------------------------
116 voltage0 | AinA0 --|--->| | | |
117 | | | mux |----->| ADCA |---
118 voltage2 | AinA1 --|--->| | | |
122 voltage1 | AinB0 --|--->| | | |
123 | | | mux |----->| ADCB |---
124 voltage3 | AinB1 --|--->| | | |
127 | +----------------------------
132 Gain (ADAQ devices only) argument
136 gain is selectable from device tree using the ``adi,gain-milli`` property.
141 ----------------------
143 - 2/4 SDO lines
144 - Rolling average oversampling
145 - Power down mode
146 - CRC indication
147 - Alert