SNAS806 September 2020 TPL1401
PRODUCTION DATA
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RESERVED | DEVICE_ LOCK |
RESERVED | DPOT_PDN | REF_EN | OUT_SPAN | ||||||||||
R-0h | W-0h | R-0Fh | R/ W-2h | R/ W-0h | R/ W-0h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
15 - 14 | RESERVED | R | 00 | Always write 00b |
13 | DEVICE_LOCK | W | 0 | 0 : Device not locked 1: Device locked, the device locks all the registers. This bit can be reset (unlock device) by writing 0101 to the DEVICE_UNLOCK_CODE bits (address D3h) |
12 - 5 | RESERVED | R | 0Fh | Always write 0Fh |
4 - 3 | DPOT_PDN | R/ W | 10 | 00: Power up 01: Power down to 10K 10: Power down to high impedance (default) 11: Power down to 10K |
2 | REF_EN | R/ W | 0 | 0: Internal reference
disabled, VDD is digipot reference voltage, digipot
output range from 0 V to VDD. 1: Internal reference enabled, digipot reference = 1.21 V |
1 - 0 | OUT_SPAN | R/ W | 00 | Only applicable when internal
reference is enabled. 00: Reference to VOUT gain 1.5x 01: Reference to VOUT gain 2x 10: Reference to VOUT gain 3x 11: Reference to VOUT gain 4x |