BU8761KV Datasheet, PDF (2/4 Pages) Rohm – CODEC IC for digital mobile phone

Communication ICs
BU8761KV
zAbsolute maximum rating (Unless otherwise noted, Ta = 25°C)
Parameter
Symbol
Limits
Unit
Digital power supply voltage
DVDD
−0.3 to +4.5
V
RXVDD
−0.3 to +4.5
V
Analog power supply voltage
TXVDD
−0.3 to +4.5
V
Digital pin apply voltage
VTD
DVSS−0.3 to DVDD+0.3
V
Analog pin apply voltage
Input current
Power dissipation
RXVSS−0.3 to RXVDD+0.3
V
VTA
TXVSS−0.3 to TXVDD+0.3
V
IIN
−10 to +10
mA
Pd
400 ^∗
mW
Storage temperature range
Tstg
−50 to +125
°C
Operation temperature range
Ta
−30 to +85
°C
∗ Drops by 4.0mW per 1°C when used at more than Ta=25°C.
zRecommendable operation condition (Unless otherwise noted, Ta = 25°C)
Parameter
Symbol Min. Typ. Max.
Unit
Digital power supply voltege DVDD
2.7
−
3.3
V
RXVDD
2.7
−
3.3
V
Analog power supply voltege
TXVDD
2.7
−
3.3
V
∗ Radiation resistance is not included design.
zElectrical characteristics
(Unless otherwise noted, Ta = 25°C, DVDD = RXVDD = TXVDD = 3.0V, FSYNC = 8kHz, DCLK = 256kHz,
Gain of each attenuator = 0dB)
Parameter
Symbol Min.
Typ.
Max. Unit
Conditions
IDD1
−
8.0
11.5
When all operating
∗2
IDD2
−
7.0
10.2
Reference, Voice, SPC ON
∗2
IDD3
−
6.0
8.6
Reference, Voice, EAR ON
∗2
Current consumption^∗1
IDD4
−
5.4
7.8
mA Reference, Voice, RAMP ON
∗2
IDD5
−
5.1
7.3
Reference, Voice, ON
∗2
IDD6
−
3.7
5.3
Reference, Tone, ON
∗2
IDD7
−
3.3
4.8
Only Reference ON
∗2
Digital "H" level input voltage
IDD8
−
0.1
VIH
0.8DVDD
−
20
µA ^{When all power down, FSYNC,}
DCLK pin fixed
−
V
Digital "L" level input voltage
VIL
−
−
0.2DVDD V
Digital "H" level input current
IIH
−
−
10
µA _VIH=DVDD
Digital "L" level input current
IIL
−10
−
−
µA _VIL=0V
Digital "H" level output voltage
VOH
DVDD−0.5
−
−
V _{IOH=−1mA}
Digital "L" level output voltage
VOL
−
−
0.5
V _IOL=1mA
∗1 Supply voltage (DVDD, RXVDD, TXVDD) : 3V. No load for digital and analog output pin. Digital input pin except FSYNC. CLK pin
should be connected to DVDD or DVss.
Analog input pin should be connected to TXREF or RXREF with appropriate resistance.
Soft mute release voltage (SMUTE="0")
∗2 FSYNC=8kHz, DCLK=256kHz
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