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Vicom Systems FC-FC3 Manual de usuario Pagina 17

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CONFIDENTIAL [AK8999A/AW/AD]
MS1600-E-00 2014/05
- 17 -
7) Analog Characteristics
7.1) Reference Section
7.1.1) Reference Section Characteristics
VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise noted
Parameter Symbol Conditions Min. Typ. Max.
Units
Description
VREF voltage Vr0
AM[3:0] = 1h VOUT out
0.97 1.0 1.04 V @25 ºC
Unadjusted
VREF adj.
width
Vr+
Max
EVR[2:0] = 3h
+30 mV
With respect
to Vr0
Vr-
Min
EVR[2:0] = 4h
-40 mV
With respect
to Vr0
VREF adj. step Vrstp 10 mV
VS voltage VS4
After VREF adj.
Load resistance 1kΩ
VS pin out
3.88 4.00 4.12 V
VS2
After VREF adj.
Load resistance 0.82kΩ
VS pin out
2.134 2.20 2.266 V
IREF current Ir0
AM[3:0] = 2h VOUT out
0.8 1.00 1.2 μA @25 ºC
Unadjusted
IREF adj. width
Ir+
Max
EIR[3:0] = 7h
0.24 μA
With respect
to Ir0
Ir-
Min
EIR[3:0] = 8h
-0.17 μA
With respect
to Ir0
IREF adj. step Irstp 0.028 μA
OSC freq. Fr0
AM[3:0] = 3h VOUT out
0.750 1.000 1.250 MHz @25 ºC
Unadjusted
OSC adj. width Fr+
Max
EFR[3:0] = 7h
384 kHz
With respect
to Fr0
Fr-
Min
EFR[3:0] = Bh
-251 kHz
With respect
to Fr0
OSC adj. step Frstp 50 kHz
VTMP voltage Vt0
ETMP[1:0] = 2h
AM[3:0] = 4h VOUT output
0.936 1.0 1.062 V @25 ºC
Unadjusted
Vt0-
ETMP[1:0] = 0h
AM[3:0] = 4h VOUT output
0.900 1.0 1.100 @25 ºC
Unadjusted
Vt0+
ETMP[1:0] = 1h
AM[3:0] = 4h VOUT output
0.930 1.03 1.130 @25 ºC
Unadjusted
VTMP adj.
width (Coarse)
Vtr+
Max
ETMP[1:0] = 0, 1h
ETM[8:6] = 6h
+200 mV
With respect
to Vt0
Vtr-
Min
ETMP[1:0] = 0, 1h
ETM[8:6] = 2h
-200 mV
With respect
to Vt0
Coarse adj. step Vtrstp
ETMP[1:0] = 0, 1h
100 mV
VTMP adj.
width (fine)
Vtf+
Max
ETM[5:0] = 20h
+64 mV
With respect
to Vt0
Vtf-
Min
ETM[5:0] = 1Fh
-62 mV
With respect
to Vt0
Fine adj. step Vtfstp 2.0 mV
VTMP temp
variation
Vt
ETMP[1:0] = 2h
4.6
mV/
C
Note1)
Note1) Design reference value; no production test performed.
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