SM6453AB_02 Datasheet, PDF (7/19 Pages) Nippon Precision Circuits Inc – 3-wire Serial Data Volume Control for Headphone Amplifier IC

SM6453AB
AC Analog Characteristics
V_DD1 = V_DD2 = 2.0V, analog input amplitude = 0.025Vrms, input frequency = 1kHz, Ta = 25°C, Measurement
circuit, PDN = HIGH, MUTEN = HIGH, MDT D0 to D12 = LOW, unless otherwise noted.
Analog input characteristics (LIN1, RIN1, LIN2, RIN2)
Parameter
Symbol
Condition
Reference input amplitude
Input resistance
Input clipping voltage
V_AI
G_EVR = 0dB, P_O = 0.5mW + 0.5mW
R_IN
V_CLP G_EVR = 0dB, P_O = 26mW + 26mW
Analog output characteristics (LOUT, ROUT)
Rating
Unit
min
typ
max
0.015
0.025
0.035
Vrms
18
23
–
kΩ
0.17
0.21
–
Vrms
Parameter
Residual noise voltage
Total harmonic distortion + noise
Reference output power
Reference output voltage
Maximum output power
Maximum output voltage
Bass boost response
AGC detection level
Step width
Attenuation error (1kHz)
Absolute attenuation (1kHz)
Mute factor (1kHz)
Channel crosstalk
Power supply ripple rejection ratio
Symbol
Condition
V_NS
THD + N
P_OREF
V_OREF
P_OMAX
V_OMAX
B_BST1
B_BST2
V_AGC
G_STEP
G_ERR1
G_ERR2
G_ERR3
G_O1
G_O2
G_O3
G_O4
G_O5
G_MUTE
CT₁
CT₂
CT₃
PSRR1
PSRR2
PSRR3
G_EVR = 0dB, A-WTD
P_O = 0.5mW + 0.5mW
G_EVR = 0dB, THD + N = 10%
G_EVR = 0dB, THD + N = 10%
(Note 1)
(Note 2)
0.5V_DD1 reference voltage output
G_EVR = 0dB to – 60dB
G_EVR = – 61dB to – 72dB
G_EVR = – 73dB to – 80dB
G_O = + 12dB (G_EVR = 0dB)
G_O = – 8dB (G_EVR = – 20dB)
G_O = – 28dB (G_EVR = – 40dB)
G_O = – 48dB (G_EVR = – 60dB)
G_O = – 68dB (G_EVR = – 80dB)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
(Note 7)
(Note 8)
(Note 9)
min
–
–
0.4
0.08
22
0.516
+ 5.2
+ 12.0
+ 0.30
0.1
− 2.8
– 2.0
– 1.2
+ 9.2
– 10.6
– 30.6
– 50.4
– 70.5
– 100.0
− 69.0
− 29.0
− 30.0
83.0
45.0
34.0
Rating
typ
26
0.3
0.5
0.09
26
0.645
+ 7.2
+ 14.0
+ 0.48
1.0
– 0.8
0
0.8
+ 11.2
– 8.6
− 28.6
− 48.4
− 66.0
− 120.0
− 75.0
− 35.0
− 36.0
93.0
55.0
44.0
max
38
1.0
0.6
0.098
–
–
+ 9.2
+ 16.0
+ 0.66
1.6
1.2
2.0
2.8
+ 13.2
– 6.6
– 26.6
– 46.4
– 61.5
–
–
–
–
–
–
–
Unit
µVrms
%
mW
Vrms
mW
Vrms
dBr
dBr
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
(Note 1) Microcontroller data bit D9 = HIGH, D10 = LOW, D11 = LOW, 55Hz frequency, V_OREF output
(Note 2) Microcontroller data bit D9 = HIGH, D10 = HIGH, D11 = LOW, 55Hz frequency, V_OREF output
(Note 3) G_EVR = 0dB, MDT D0 to D7 are muted, MUTEN = HIGH, V_OREF output
(Note 4) Microcontroller data bit D9 = LOW, D11 = LOW, G_EVR = 0dB, cross-channel leakage signal with V_OREF output and standard voltage input on one
channel only
(Note 5) Microcontroller data bit D9 = HIGH, D10 = LOW, D11 = LOW, G_EVR = 0dB, cross-channel leakage signal with V_OREF output and standard voltage
input on one channel only, Frequency = 10kHz
(Note 6) Microcontroller data bit D9 = HIGH, D10 = HIGH, D11 = LOW, G_EVR = 0dB, cross-channel leakage signal with V_OREF output and standard volt-
age input on one channel only, Frequency = 10kHz
(Note 7) PDN = LOW, MUTEN = HIGH, MDT = muted, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3
(Note 8) PDN = HIGH, MUTEN = LOW, MDT = muted, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3
(Note 9) PDN = HIGH, MUTEN = HIGH, MDT D0 to D12 = LOW, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3
NIPPON PRECISION CIRCUITS INC.—7