BU8925MUV Datasheet, PDF (2/5 Pages) Rohm – Silicon monolithic integrated circuit

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○ Electrical Characteristics
Unless otherwise noted, Ta = 25℃, AVDD=2.8, DVDD=1.8V, FSYNC=8kHz, DCLK=256kHz.
Parameter
Current consumption
Symbol
Specified Value
Min
Typ
Max
Unit
Standby current
consumption
IDD1
-
0.1
3.0
uA
Full Operation
DC Characteristics
Digital H level input voltage
Digital L level input voltage
Digital H level input current
Digital L level input current
Digital H level output voltage
IDD2
VIH
VIL
IIH
IIL
VOH
-
DVDDｘ0.75
-0.3
-
-
DVDDｘ0.8
2.5
3.8
mA
-
4.5
Ｖ
-
DVDDｘ0.25 Ｖ
-
1
uA
-
-1
uA
-
ＤＶＤＤ
Ｖ
Condition
NRST=DVSS and
FSYNC,DCLK=DVSS
NRST,BST=DVDD and
No input signal
VIH=DVDD
VIL=DVSS
IOH= -1mA
Digital L level output voltage VOL
０
-
DVDDｘ0.2
Ｖ
IOL= 1mA
Unless otherwise noted, Ta=25°C, AVDD=2.8Ｖ, ＤＶＤＤ＝1.8Ｖ, FSYNC=8kHz, DCLK=256kHz and linear mode.
Parameter
symbol
Condition
Specified Value
Unit
Min
Typ
Max
Transmit signal-to-distortion
ratio
Ｓ_ＤＴ
(AUX1IN→PCMOUT)
Receive signal-to-distortion
ratio
Ｓ_ＤＲ
(PCMIN→AUDOUT)
Transmit Gain Tracking
Ｇ_ＴＸ
(ＡＵＸ1ＩＮ→ＰＣＭＯＵＴ)
Receive Gain Tracking
(PCMIN→AUDOUT)
Transmit reference level
Ｇ_ＲＸ
Ｖ_{ＩＴＸ１}
1020Hz
＊2,＊3
1020Hz
＊2
1020Hz，Reference
level=-10ｄＢｍ0
＊3
1020Hz，Reference
level=-10ｄＢｍ0
1020Hz，0dBm0
0dBm0
-30dBm0
-40dBm0
-45dBm0
0dBm0
-30dBm0
-40dBm0
-45dBm0
+3.0～0.5dBm0
+0.5～-40dBm0
-40～-50dBm0
-50～-55dBm0
+3.0～-40dBm0
-40～-50dBm0
-50～-55dBm0
AUX1IN→PCMOUT
45
35
29
24
45
35
29
24
-3.0
-1.0
-2.0
-2.0
-1.0
-2.0
-2.0
0.375
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.500
-
-
-
-
-
-
-
-
3.0
1.0
2.0
2.0
1.0
2.0
2.0
0.667
ｄＢ
ｄＢ
ｄＢ
ｄＢ
Ｖｒｍｓ
Receive reference level Ｖ_{ＯＲＸ}
1020Hz，0dBm0
PCMIN→AUDOUT 0.400 0.475 0.564 Ｖｒｍｓ
0.06kHz
24
Transmit Gain Loss relative
to Frequency
Ｇ_{ＲＴＸ}
1020Hz
0.2kHz
0
0.3～0.4kHz
-0.3
0.4～3.0kHz
-0.3
(AUX1IN→PCMOUT)
3.4kHz
-0.3
3.6kHz
0
3.78kHz
6.5
0.06kHz
24
Receive Gain Loss relative
to Frequency
Ｇ_{ＲＲＸ}
1020Hz
0.2kHz
0
0.3～2.8kHz
-0.3
2.8～3.0kHz
-0.3
(PCMIN→AUDOUT)
3.4kHz
-0.3
3.6kHz
0
3.78kHz
6.5
Transmit noise level
V_NTX
AUX1IN= AGND level. ＊2
-
Receive noise level
V_NRX
PCMIN=”L”, Using A-Weight filter.
-
＊2 Using C-MESSAGE filter
＊3 Specified that 0dBm0 is 0.5Vrms.
-
-
-
2.5
-
0.5
-
0.3
ｄＢ
-
0.9
-
-
-
-
-
-
-
2.5
-
0.3
-
0.5
ｄＢ
-
0.9
-
-
-
-
-
-76 dBV
-
-85 dBV
REV. A