LP3913 Datasheet, PDF (13/70 Pages) Texas Instruments – Power Management IC for Flash Memory-Based Portable Media Players

LP3913
www.ti.com
SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013
ADC ELECTRICAL CHARACTERISTICS
External components:
Symbol
Parameter
Conditions
V_REF
INL
DNL
Reference Voltage
T = 25°C
Core ADC Integral Non-
linearity
Core ADC Differential Non-
linearity
T = 0°C to +125°C
V_REF = 1.225 ⁽¹⁾
V_REF = 1.225 ⁽¹⁾
V_{GP_IN}
General Purpose ADC
Input Voltage Range
VBATT,
Battery Max Voltage Scalar VBATT = 3.5V
Output
RANGE 0
Battery Min Voltage Scalar VBATT = 2.6V
Output
V_BATT,
Battery Max Voltage Scalar VBATT = 4.4V
Output
RANGE 1
Battery Min Voltage Scalar V_REF = 2.6V
Output
V_ISENSE
RANGE 0
V_ISENSE
RANGE 1
ADC1 & ADC2 _MIN
ISENSE Max Voltage
Scalar Output
V_ISENSE = 0.6463V
(I_CHG = 0.605A,
R_SENSE = 4.64 kΩ)
ISENSE Min Voltage
Scalar Output
V_ISENSE = 0V
(I_CHG = 0A,
R_SENSE = 4.64 kΩ)
ISENSE Max Voltage
Scalar Output
V_ISENSE = 1.175V
(I_CHG = 1.1A,
R_SENSE = 4.64 kΩ)
ISENSE Min Voltage
Scalar Output
V_ISENSE = 0V (I_CHG = 0A,
R_SENSE = 4.64 kΩ)
ADC1 & ADC2 Min Voltage V_REFH = 1.225
Scalar Output
ADC1 & ADC2_MAX
t_CONV
t_WARM
ADC1 & ADC2 Max
Voltage Scalar Output
Conversion Time
Warm-up Time
V_REFH = 1.225
(1)
Min
1.220
1.200
-1
-0.5
V_REF
2.435
1.217
2.435
1.217
2.373
Typ
1.225
1.225
2.45
1.225
2.45
1.225
2.45
Max
1.230
1.230
1
Units
V
V
LSB
0.5
LSB
2·V_REF
V
2.465
V
1.232
V
2.465
V
1.232
V
2.519
V
1.186
1.225
1.260
V
2.373
2.45
2.519
V
1.186
1.225
1.260
V
1.218
1.225
1.230
V
2.436
2.45
2.46
V
5
ms
2
ms
(1) Specified by design. Not production tested.
Copyright © 2006–2013, Texas Instruments Incorporated
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