Table 181. Digital DC Characteristics
DD = 2.7 to 3.3 V, TA = -40 to +85°C
V
Symbol
Parameter
Min
Typ(1)
Max
Units
Test Conditions
V
DD < 3.3 V
X1 / X2 mode
7/ 11.5
9/ 14.5
10.5 / 18
AT89C51SND2C
Operating Current
12 MHz
16 MHz
20 MHz
(3)
mA
IDD
V
DD < 3.3 V
X1 / X2 mode
7/ 11.5
9/ 14.5
10.5 / 18
AT83SND2C
Operating Current
12 MHz
16 MHz
20 MHz
mA
mA
mA
V
DD < 3.3 V
X1 / X2 mode
6.3 / 9.1
7.4 / 11.3
8.5 / 14
AT89C51SND2C
Idle Mode Current
12 MHz
16 MHz
20 MHz
(3)
IDL
V
DD < 3.3 V
X1 / X2 mode
6.3 / 9.1
7.4 / 11.3
8.5 / 14
AT83SND2C
Idle Mode Current
12 MHz
16 MHz
20 MHz
AT89C51SND2C
Power-Down Mode Current
20
20
500
500
+15
µA
µA
V
V
V
RET < VDD < 3.3 V
RET < VDD < 3.3 V
DD < 3.3 V
IPD
AT83SND2C
Power-Down Mode Current
AT89C51SND2C
Flash Programming Current
IFP
mA
Notes: 1. Typical values are obtained using VDD= 3 V and TA= 25°C. They are not tested and
there is no guarantee on these values.
2. Flash retention is guaranteed with the same formula for VDD min down to 0V.
3. See Table 182 for typical consumption in player mode.
Table 182. Typical Reference Design AT89C51SND2C Power Consumption
Player Mode
IDD
Test Conditions
AT89C51SND2C at 16 MHz, X2 mode, VDD= 3 V
No song playing.
Stop
10 mA
This consumption does not include AUDVBAT current.
AT89C51SND2C at 16 MHz, X2 mode, VDD= 3 V
MP3 Song with Fs= 44.1 KHz, at any bit rates (Variable Bit Rate)
Playing
37 mA
This consumption does not include AUDVBAT current.
202
AT8xC51SND2C
4341D–MP3–04/05