HPM10_16 Datasheet, PDF (4/18 Pages) ON Semiconductor – Power Management IC for Hearing Aids

HPM10
Table 3. ELECTRICAL SPECIFICATIONS
Description
Symbol
Conditions
HEARING AID MODE OSCILLATOR
Clock frequency
HA_Fclk
T = 25°C, Vbat = 1.3 V
Clock frequency
temperature deviation
T = 0°C to 50°C
Clock frequency supply
deviation
Vbat = 1 V to 4.3 V
CRADLE MODE OSCILLATOR
Clock frequency
Fclk
T = 25°C
Clock frequency
temperature deviation
T = 0°C to 50°C
Clock frequency supply
deviation
VDDP = 5.0 to 5.2 V
DVREG Linear Regulator for the Digital Blocks
Linear Regulator
DVREG
Regulator PSRR
Load Current
Load Regulation
DVREG_PSRR
I_LOAD
LOAD_REG
I_LOAD=200 mA
Absolute change for
0−200 mA, VDDP=4.8 V
Equivalent series
resistance
ESR
BATTERY DETECTION (Hearing Aid Mode)
Turn−On threshold
AgZn and ZnAir
Turn−off hysteresis
AgZn and ZnAir
Startup Delay
VBAT = 3 V, from SWIN step
input to VHA turn−on
AgZn battery detection
upper threshold
AgZn
Li−Ion battery detection
turn−on threshold
Lithium−Ion
Li-Ion turn−off hysteresis
Lithium−Ion
VOLTAGE SWITCH CONTROLLER
Switch resistance (On)
Rsw
Switch off current
Isw_off
T = 25°C
AgZn REGULATOR
Battery voltage
Vbat
For AgZn.
AgZn regulator
Vagzn
Limiting regulator for
AgZn > 1.5 V
Regulator impedance
Ragzn
Load = 1 mA, Vbat = 1.8 V
Max load current
Imax
For functional operation,
VBAT > 1.15 V
ANALOG−TO−DIGITAL CONVERTER (ADC)
Sampling frequency per
input channel
fs_CH
4 MUX inputs
Input voltage range
I_ADC range Referred to bandgap
LSB resolution
ADCres
VREF = 900 mV
TEMPERATURE SENSOR
Temperature Measurement
Range
Trange
Temperature Precision
Over Trange
Min
66
−10
−10
250.88
−2
−1
1.71
1.045
2.09
2.85
1.5
1.4
15
0
0
−5
Typ
95
−1
0.2
256
−
−
1.8
30
10
1.1
10
20
2.2
3
5
6
10
−
1.5
5
0.20
0.879
Max
124
10
10
261.12
2
1
1.89
200
15
1.155
2.31
3.15
10
100
2
1.58
10
VREF
50
5
Units Screened
kHz
n
%fclk
%fclk
kHz
n
%fclk
%fclk
V
n
dB
n
mA
n
mV
n
W
V
n
%
ms
V
n
V
n
%
Ohm
n
nA
n
V
n
V
n
Ohm
n
mA
n
KHz
V
mV
°C
°C
www.onsemi.com
4