RHYTHM R3910
www.onsemi.com
4
SPECIFICATIONS
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter Value Units
Operating Temperature Range 0 to +40 °C
Storage Temperature Range −20 to +70 °C
Absolute Maximum Power Dissipation 50 mW
Maximum Operating Supply Voltage 1.65 VDC
Absolute Maximum Supply Voltage 1.8 VDC
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
WARNING: Electrostatic Sensitive Device − Do not open packages or handle except at a static−free workstation.
WARNING: Moisture Sensitive Device − RoHS Compliant; Level 4 MSL. Do not open packages except under controlled conditions.
Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage V
B
= 1.25 V; Temperature = 25°C)
Parameter
Symbol Conditions Min Typ Max Units
Minimum Operating Supply Voltage V
BOFF
Ramp down, audio path 0.93 0.95 0.97
V
Ramp down, control logic 0.77 0.80 0.83
Supply Voltage Turn On Threshold V
BON
Ramp up, zinc−air 1.06 1.10 1.16
V
Ramp up, NiMH 1.16 1.20 1.24
Hybrid Current
All functions, 32 kHz sampling rate − 665 − mA
All functions, 16 kHz sampling rate − 575 −
EEPROM Burn Cycles − − 100 k − − cycles
Low Frequency System Limit − − − 125 − Hz
High Frequency System Limit − − − 16 − kHz
Total Harmonic Distortion THD V
IN
= −40 dBV − − 1 %
THD at Maximum Input THD
M
V
IN
= −15 dBV, HRX − ON − − 3 %
Clock Frequency f
CLK
− 3.973 4.096 4.218 MHz
REGULATOR
Regulator Voltage
V
REG
− 0.87 0.90 0.93 V
System PSRR PSRR
SYS
1 kHz, Input referred, HRX enabled − 70 − dB
INPUT
Input Referred Noise
IRN Bandwidth 100 Hz − 8 kHz − −108 −106 dBV
Input Impedance Z
IN
1 kHz − 3 −
MW
Anti−aliasing Filter Rejection − f = [DC − 112 kHz], V
IN
= −40 dBV − 80 − dB
Crosstalk − Between both A/D and Mux − 60 − dB
Maximum Input Level − − − −15 −13 dBV
Analogue Input Voltage Range
V
AN_IN
V
IN1
, V
IN2
, Al 0 − 800
mV
V
AN_TIN
T
IN
−100 − 800
Input Dynamic Range − HRX − ON Bandwidth
100 Hz − 8 kHz
− 95 96 dB
Audio Sampling Rate − − 8 − 48 kHz
OUTPUT
D/A Dynamic Range
− 100 Hz − 8 kHz − 88 − dB
Output Impedance Z
OUT
− − 10 13
W
