SM8230A_06 Datasheet, PDF (3/8 Pages) NEC – Tone Dialer with Built-in Piezo Driver

SM8230A
SPECIFICATIONS
Absolute Maximum Ratings
V_SS = 0V
Parameter
Supply voltage range
Input voltage range
Output voltage range
Storage temperature range
Power dissipation
Symbol
V _DD
V _IN
V_OUT
T _stg
P_D
Rating
Unit
−0.3 to 7.0
V
V_SS − 0.3 to V_DD + 0.3
V
V_SS − 0.3 to V_DD + 0.3
V
−55 to 125
°C
250
mW
Recommended Operating Conditions
V_SS = 0V
Parameter
Symbol
Condition
Supply voltage range
V _DD
Operating temperature
T_opr
Rating
Unit
min
typ
max
2.6
3.0
3.3
V
−20
25
70
°C
DC Characteristics
V_DD = 2.6 to 3.3V, V_SS = 0V, Ta = −20 to 70°C
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Operating current consumption
I _DD
V_DD = 3.0V, Ta = 25°C,
f_CLK = 480kHz
–
1.5
3
mA
Standby current consumption
I _ST
V_DD = 3.3V, OE = LOW
–
–
1
µA
Input voltage (all inputs)
V_IH
HIGH-level input
V_IL
LOW-level input
1.1
–
V _DD
V
V _SS
–
0.6
Input leakage current
I _IL
HIGH/LOW-level input
−1
–
1
µA
BZH/BZL tone output voltage
V _BZO
0dB output level
0.86V _DD
0.93V_DD
1.0V_DD
Vp-p
BZH/BZL tone output adjustment step
D _RES
–
1.0
–
dB
BZH/BZL tone output absolute error
D _LIN
V_ZBO levels
−1
–
1
dB
BZH/BZL tone output impedance
Z _OUT
100
150
200
Ω
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