參數(shù)資料
型號： 935263704557
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO DEMODULATOR, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 49/71頁
文件大?。?/td> 304K
代理商： 935263704557
2000 Aug 04
53
Philips Semiconductors
Product specication
Digital TV sound demodulator/decoder
TDA9874A
Z(Vref2-VDDA3) impedance between pins Vref2
and VDDA3
20
k
Z(Vref2-VSSA3) impedance between pins Vref2
and VSSA3
20
k
Digital inputs and outputs
INPUTS
CMOS level input, high drive, pull-down (pins TEST1, TEST2, TP1 and TP2)
VIL
LOW-level input voltage
0.3VDDD V
VIH
HIGH-level input voltage
0.7VDDD
V
Ci
input capacitance
10
pF
Zi
input impedance
50
k
CMOS level input, hysteresis, high drive, pull-up (pin CRESET)
VIL
LOW-level input voltage
0.3VDDD V
VIH
HIGH-level input voltage
0.7VDDD
V
Vhys
hysteresis voltage
1.3
V
Ci
input capacitance
10
pF
Zi
input impedance
50
k
INPUTS/OUTPUTS
I2C-bus level input with Schmitt trigger, open-drain output stage (pins SCL and SDA)
VIL
LOW-level input voltage
0.3VDDD V
VIH
HIGH-level input voltage
0.7VDDD
V
Vhys
hysteresis voltage
0.05VDDD
V
ILI
input leakage current
±10
A
Ci
input capacitance
10
pF
VOL
LOW-level output voltage
0.6
V
CL
load capacitance
400
pF
TTL/CMOS level, high drive, 4 mA 3-state output stage, pull-up (pins PCLK, NICAM, ADDR1, ADDR2, P1, P2, SCK,
WS and SDO)
VIL
LOW-level input voltage
0.8
V
VIH
HIGH-level input voltage
2.0
V
Ci
input capacitance
10
pF
VOL
LOW-level output voltage
IOL =3mA
0.4
V
VOH
HIGH-level output voltage
IOH = 3 mA
2.4
V
CL
load capacitance
active pull-up
100
pF
Zi
input impedance
50
k
OUTPUTS
4 mA 3-state output stage (pin SYSCLK)
VOL
LOW-level output voltage
IOL =2mA
0.3VDDD V
VOH
HIGH-level output voltage
IOH = 2 mA
0.7VDDD
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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