SAA1501 Ver la hoja de datos (PDF) - Philips Electronics
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SAA1501 Datasheet PDF : 20 Pages
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Philips Semiconductors
Battery charge level indicator
Objective specification
SAA1501T
CHARACTERISTICS
VCC = 3 V; Tamb = 25 °C; Rref = 51.5 kΩ (0.1%); Cosc = 820 pF (0.1%); RCCC = RDCC = 3.65 kΩ (0.1%); Rmax = 3.48 kΩ
(0.1%); Iref = Vref/Rref; Imax = Vmax/Rmax; the minimum and maximum values are 4 sigma limits; unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VCC
supply voltage
note 1
2.0
VCC(ir)
supply voltage internal
−
reset
ICC
supply current
Ic = Id = 60 µA
0.6
ICCstb
supply current in standby VCSI = VDSI = 0 V
−
mode
Vref
reference voltage
note 2
204
Iref
reference current
notes 1 and 2
3.5
Vmax
maximum voltage
note 2
204
TC
temperature coefficient of T = 0 to 100 °C
0
reference voltage
Vclamp
clamping level voltage ICC = 50 mA
5.8
Voltage-to-current charge/discharge
I4
voltage-to-current
V9 = 7 mV; V4 = 1.5 V
−259
charge/discharge current V10 = 7 mV; V4 = 1.5 V
accuracy
V9 = 200 mV; V4 = 1.5 V
262
−8.93
V10 = 200 mV; V4 = 1.5 V 8.93
I3
voltage-to-current
V9 = 7 mV; Rmax = 400 kΩ; −1.55
charge/discharge current k = 0.025
accuracy
V10 = 7 mV; Rmax = 400 kΩ; 1.57
k = 0.025
V9 = 200 mV;
Rmax = 400 kΩ; k = 0.025
−53.5
V10 = 200 mV;
Rmax = 400 kΩ; k = 0.025
53.5
I4/I3
relative current accuracy V9 = V10 = 200 mV
−
of voltage-to-current in
charge counter capacitor
Vi(s)
input sense voltage at
VCC(max) = 3.7 V; note 1
0
pins 9 and 10
3.7 < VCC < 4.4 V; note 1 −
Io(s)
DC output sense current
0.6
(pins 8 and 7)
Vos
offset voltage
−
3.0
4.3
V
1.2
1.7
V
−
1.7
mA
−
100
mA
211
217
mV
−
8
µA
211
217
mV
25 × 10−6 100 × 10−6 °C
6.3
6.8
V
−324
−389
nA
328
394
nA
−9.13 −9.32
µA
9.13
9.32
µA
−1.94 −2.32
µA
1.97
2.36
µA
−54.7 −56
µA
54.7
56
µA
1.0
2.5
%
−
VCC − 1.6 V
−
2.1
V
−
60
µA
−
1.8
mV
December 1994
12
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