ZHCSE48B September 2015 – January 2019 ADC31JB68
PRODUCTION DATA.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved | AMPADJ[2:0] | PHADJ[3:0] | |||||
R/W | R/W | R/W |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | Reserved | R/W | 0 | Reserved. Must be written with 0. |
6:4 | AMPADJ[2:0] | R/W | 000 | Analog input amplitude imbalance correction
7 = +30 Ω VIN+, –30 Ω VIN– 6 = +20 Ω VIN+, –20 Ω VIN– 5 = +10 Ω VIN+, –10 Ω VIN– 4 = Reserved 3 = –30 Ω VIN+, +30 Ω VIN– 2 = –20 Ω VIN+, +20 Ω VIN– 1 = –10 Ω VIN+, +10 Ω VIN– 0 = +0 Ω VIN+, –0 Ω VIN– (default) Resistance changes indicate variation of the internal single-ended termination |
3:0 | PHADJ[3:0] | R/W | 0000 | Analog input phase imbalance correction
15 = +1.68 pF VIN– ... 10 = +0.48 pF VIN– 9 = +0.24 pF VIN– 8 = Reserved 7 = +1.68 pF VIN+ ... 2 = +0.48 pF VIN+ 1 = +0.24 pF VIN+ 0 = +0 pF VIN+, +0 pF VIN– (default) Capacitance changes indicate the addition of internal capacitive load on the given pin. |