M41T00AUD_12 STMICROELECTRONICS [STMicroelectronics], M41T00AUD_12 Datasheet - Page 36

• Manufacturer Part Number: M41T00AUD_12
• Description: Serial real-time clock (RTC) with audio
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

DC and AC parameters
36/42
Figure 18. Power down/up mode AC waveforms
Table 14.
1. Valid for ambient operating temperature: T
2. V
Table 15.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
Table 16.
1. The lowest step, from GAIN = 0 to GAIN = 1, is not tested.
Symbol
Symbol
Symbol
P
V
P
TWU
V
V
O-MAX
noted).
noted).
PFD
t
t
SRR
SO
V CC
V SO
SDA
SCL
OO
PD
rec
CC
fall time should not exceed 5 mV/µs.
Power-fail deselect
Hysteresis
Backup switchover voltage
(V
Hysteresis
Output offset voltage
Maximum output power
Power supply rejection
ratio
Gain step size
Wake-up time after
power-up
SCL and SDA at VIH before power-down
SCL and SDA at VIH after power-up
CC
RTC power down/up AC characteristics
RTC power down/up trip points DC characteristics
Audio section electrical characteristics, valid for V
T
AMB
t PD
< V
Parameter
BACK
= 25 °C (except where otherwise noted)
; V
CC
SS
.
Parameter
< V
Parameter
Doc ID 13480 Rev 5
PFD
)
No input signal,
RL = 8 Ω
THD = 2% Max, f = 1 kHz,
RL = 8 Ω
RL = 8 Ω, Av = 2,
V
audio input grounded
f = 217 Hz
GAIN steps 1-2 to E-F (1)
C
RIPPLE
BIAS
A
A
(1)(2)
(1)(2)
= 0 to 70 °C; V
= 0 to 70 °C; V
2.0 < V
V
= 1 µF
BACK
DON'T CARE
= 200 mV
Condition
> V
BACK
PFD
CC
CC
PP
< V
= 3.0 to 3.6 V (except where otherwise
= 3.0 to 3.6 V (except where otherwise
PFD
(1)
2.60
Min
Min
10
0
Min
300
55
2
CC
V
V
Typ
2.8
BACK
Typ
10
10
PFD
= 3.3 V and
Typ
375
10
61
3
Max
2.95
t REC
Max
Max
100
150
M41T00AUD
4
AI00596
Unit
Unit
mV
mV
mW
Unit
mV
ms
dB
dB
V
V
V
ns
µs