SM8230A Datasheet, PDF (3/7 Pages) Nippon Precision Circuits Inc – Tone Dialer with Built-in Piezo Driver

SM8230A
SPECIFICATIONS
Absolute Maximum Ratings
V_SS = 0 V
Parameter
Supply voltage range
Input voltage range
Output voltage range
Storage temperature range
Power dissipation
Soldering temperature
Soldering time
Symbol
V_DD
V _IN
V_OUT
T _stg
P_D
T _sld
t_sld
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
255
°C
10
s
Recommended Operating Conditions
V_SS = 0 V
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 = 0 V, T_a = −20 to 70 °C
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Operating current consumption
Standby current consumption
Input voltage (all inputs)
Input leakage current
BZH/BZL tone output voltage
BZH/BZL tone output adjustment
step
I_DD
V_DD = 3.0 V, T_a = 25 °C,
f_CLK = 480 kHz
–
1.5
3
mA
I_ST
V_DD = 3.3 V, OE = LOW
–
–
1
µA
V _IH
HIGH-level input
V _IL
LOW-level input
1.1
–
V_DD
V
V _SS
–
0.6
I_IL
HIGH/LOW-level input
−1
–
1
µA
V_BZO
0 dB output level
0.86V_DD
0.93V_DD
1.0V_DD
Vp-p
D _RES
–
1.0
–
dB
BZH/BZL tone output absolute error
BZH/BZL tone output impedance
D _LIN
Z_OUT
V_ZBO levels
−1
–
1
dB
100
150
200
Ω
NIPPON PRECISION CIRCUITS—3