TDA8205 Datasheet, PDF (4/8 Pages) STMicroelectronics – NICAM QPSK DEMODULATOR

TDA8205
ELECTRICAL CHARACTERISTICS (Tamb = 25^oC, VCC = 12V, VDD = 5V, unless otherwise specified)
Symbol
Parameter
Min. Typ. Max. Unit
SUPPLY
VCC
Supply Voltage Range
VDD
Supply Voltage Range
ICC
Supply Current
IDD
Supply Current
DIGITAL PINS
11.4
12 12.6
V
4.75
5
5.25
V
18
36
50
mA
10
18
42
mA
OUTPUTS
CK11, NDO
VOL
Low Level Output Voltage (I = -4mA)
VOH
HIgh Level Output Voltage (I = 4mA)
MMO (open collector)
VOL
ILK
INPUTS
Low Level Output Voltage (I = -1mA)
High Level Output Current (leakage)
SERI, DACDL, DACDR, CK728
VIL
Low Level Input Voltage
VIH
High Level Input Voltage
ILK
Input Leakage Current
ANALOG PINS
0.7 VDD
0.6 VDD
0.4
V
V
0.4
V
±2
µA
0.8
V
V
±2
µA
I-B/G SELECTOR
VDC
DC Bias Voltage
RIN
Input Resistance
CIN
Input Capacitance
AGC
VIN
Input Voltage Range
AGClv AGC Low Voltage (VIN = 1VPP)
AGChv AGC High Voltage (VIN = 10mVPP)
AGCta AGC Attack Time (VIN = 10mV to 1V, CAGC = 100nF)
AGCtd AGC Decay Time (VIN = 1V to 10mV, CAGC = 100nF)
QPSK DEMODULATOR (LF1)
VDC
DC Bias Voltage (SYN = 1)
Kd
Phase Detector Constant (no mod.)
kv
VCO Constant
EYE DIAGRAM MONITORS (DF1, DF2)
VDC
DC Bias Voltage
ROUT
Output Resistance
VOUT
Output Voltage (System I)
CLOCK AND DATA RECOVERY (LF2)
VDC
DC Bias Voltage
Kd
Phase Detector Constant (all 1’s)
kv
VCXO Constant
2.8
V
10
kΩ
10
pF
10
200 1000 mVPP
2
VPP
11
V
15
ms
220
ms
1
5
10
V
33
µA/rad
3.5
MHz/V
2.5
V
1.2
kΩ
0.6
VPP
2.5
V
7
µA/rad
4.4
kHz/V
4/8