QS7779PM/CM
DC Electrical Characteristics
VCC = 9V, VDD = 5V, GND = 0V, Ta = 25 °C unless otherwise noted.
Parameter
Symbol
Condition
LIN, RIN analog input impedance
CIN analog input impedance
Reference voltage out
HIGH-level input voltage
L OW -level input voltage
Input leakage current
SDA, SCL input leakage current
(I2C input pin)
S DA LOW -level output voltage
Supply voltage (analog)
Supply voltage (digital)
Current consumption (analog)
Current consumption (digital)
Standby current (analog)
Z AIN1
Z AIN2
V REFOUT
V IH
V IL
IL E A K
IL O P E N V IN = 10V
VOL
V CC
V DD
IC C
ID D
IC C S AV E
Acknowledge signal out
IO L = 3mA
Limits
Unit
min
typ
max
16
20
24
kΩ
4
5
6
kΩ
–
V C C /2
–
V
0.7 × VDD
–
–
V
–
–
0.3 × VDD
V
–3
–
3
µA
–3
–
3
µA
0
–
0.4
V
5
–
13
V
4.5
–
5.5
V
–
5
6.5
mA
–
0.3
0.5
mA
–
0.1
0.2
mA
Noise/THD Characteristics
VCC = 9V, VDD = 5V, GND = 0V, Ta = 25 °C unless otherwise noted.
Parameter
Noise voltage
Noise voltage
THD
Symbol
Condition
min
N BYP
BYP = HIGH (Bypass mode), A-wgt,
LOUT, RO U T
–
N QS
BYP = LOW (Qsurround mode),
SPRD = HIGH, A-wgt, LOUT, RO U T
–
THDQS
LIN = RIN = 1VRMS, BYP = LOW (Qsur-
round mode), SPRD = HIGH, f = 1kHz
–
Limits
typ
10
20
–
Unit
max
20
µV R M S
40
µV R M S
0.1
%
NIPPON PRECISION CIRCUITS—5