BU7831KN_10 Datasheet, PDF (2/17 Pages) Rohm – Voice/Audio Mixer & Selector IC

BU7831KN
Technical Note
●Electric Characteristics
Unless otherwise specified, Ta=25 ℃,AVDD=DVDD=3.0V
・Analog Part
Parameter
Symbol
Min.
Stand-by current
Istb
-
Limits
Typ.
-
Max.
3
Unit
Conditions
µA Stand-by mode
Operation current 1
Idd1
-
Operation current 2
Idd2
-
Total harmonic distortion 1 (HPL, HPR) THDhp1
-
0.26 0.42 mA BIAS part. No signal
2.3
3.7
mA
ST1R, ST1L to HPR, HPL
Exclude Idd1, No signal
0.05
0.5
% Vo=-10dBV, 20kHzL PF
Output power 1(HPL, HPR)
PO1
-
10
-
mW THD=10%, RL=16Ω
Output Noise Voltage 1 (HPL, HPR)
V_NO
-
-94
-80
dBV JIS A weighting
Maximum output level 1 (SPL, SPR) VO_MAX1 2.0
-
-
Vp-p THD≦1%, RL=10kΩ
Maximum output level 2 (EXTO)
VO_MAX2
2.0
-
-
Vp-p THD≦1%, RL=600Ω
・Digital input (DC)
Parameter
Input L level voltage
Input H level voltage
Input current
Limits
Symbol
Unit
Min. Typ. Max.
V_IL
-
-
0.7
V
Conditions
V_IH
2.1
-
-
V
I_IN
-
-
±2
µA 0V, 3V force
・CPU interface
Parameter
Cycle Time
Symbol
Min.
Limits
Typ.
Max.
Unit
tcyc
250
-
-
ns
Conditions
Input Data Hold Time
tdh
50
-
-
ns
Input Data Setup Time
tds
50
-
-
ns
Chip Select Setup Time
tcs
50
-
-
ns
Chip Select Hold Time
tch
50
-
-
ns
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2/16
2010.09 - Rev.A