TCM4300 Datasheet, PDF (19/69 Pages) Texas Instruments – Advanced RF Cellular Telephone Interface Circuit (ARCTIC )

2.4.7 Auxiliary D /A Converters Slope (AGC, AFC, PWRCONT)
AUXFS[1:0]
SETTING
SLOPE
NOMINAL LSB
VALUE
(V)
NOMINAL OUTPUT VOLTAGE
FOR DIGITAL CODE = 128
(MIDRANGE)
(V)
00
2.5/256
0.0098
1.25
01
Do not
use
Do not use
Do not use
10
4/256
0.0156
2
11
4.5/256
0.0176
2.25
† _{The maximum input code is 255. The value shown for 256 is extrapolated.}
NOMINAL OUTPUT VOLTAGE
FOR DIGITAL CODE = 256^†
(MAX VALUE)
(V)
2.5
Do not use
4
4.5
2.4.8 Auxiliary D /A Converters Slope (LCDCONTR)
AUXFS[1:0]
SETTING
SLOPE
NOMINAL LSB
VALUE
(V)
NOMINAL OUTPUT VOLT-
AGE FOR DIGITAL CODE = 8
(MIDRANGE)
(V)
00
2.5/16
0.1563
1.25
01
Do not use Do not use
Do not use
10
4/16
0.2500
2
11
4.5/16
0.2813
2.25
† _{The maximum input code is 15. The value shown for 16 is extrapolated.}
NOMINAL OUTPUT VOLTAGE
FOR DIGITAL CODE = 16^†
(MAX VALUE)
(V)
2.5
Do not use
4
4.5
2.4.9 RSSI/Battery A/D Converter
PARAMETER
Input range
Resolution
Conversion time
Gain + offset error (full scale)
Differential nonlinearity
Integral nonlinearity
Input resistance
TEST CONDITIONS
AVDD = 3 V, 4.5 V, 5 V
AVDD = 3 V, 4.5 V, 5 V
MIN TYP
0.2
8
20
± 3%
± 0.75
± 0.75
1
2
MAX
2
± 4%
±1
±1
UNIT
V
bits
µs
LSB
LSB
MΩ
2–5