Frequency Synthesizer. NTE1849 Datasheet

NTE1849 Synthesizer. Datasheet pdf. Equivalent

Part NTE1849
Description Integrated Circuit Frequency Synthesizer
Feature NTE1849 Integrated Circuit Frequency Synthesizer for TV Tuning Systems Description: The NTE1849 is a.
Manufacture NTE
Datasheet
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NTE1849
NTE1849
Integrated Circuit
Frequency Synthesizer for TV Tuning Systems
Description:
The NTE1849 is a CMOS frequency synthesizer for TV tuning systems consisting of a 13–bit pro-
grammable divider, 12–bit divider and phase comparator circuits.
Absolute Maximum Ratings: (VSS = 0V, TA = +25°C unless otherwise specified)
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to +9V
Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to VDD +0.3V
Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to VDD +0.3V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +100°C
Operating Conditions: (VSS = 0V, TA = 0° to +70°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage
VDD
6.5 7.0 7.5 V
Electrical Characteristics: (VDD = 7V, VSS = 0V, TA = 0° to +70°C unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max Unit
Supply Current
Total Power Dissipation
Input Terminal (LFI)
IDD TA = +25°C, VDD = 7V,
Ptot without load
– 15 mA
– 105 mW
Maximum Input Signal Frequency
Input Voltage Swing
Input Current
Input Terminal (PI0 to PI3, LDI)
fi(max)
Vi
II(1)
Input Sine Wave,
Free Running LFI
VI = VSS to VDD
15.6 –
– MHz
0.7 –
– Vp–p
–50 – +50 µA
“H” Level Input Voltage
“L” Level Input Voltage
Input Current
VIH
VIL
II(2) VI = VSS to VDD
3.4
VDD
V
VSS – 0.8 V
–10 – +10 µA



NTE1849
Electrical Characteristics (Cont’d): (VDD = 7V, VSS = 0V, TA = 0° to +70°C unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max Unit
Output Terminal (PDO)
HLevel Output Current
LLevel Output Current
Output Leakage Current
OutputTerminal (TMO)
IOH(1)
IOL(1)
ILeak
VO = 5V
VO = 2V
VO = 1/2 VDD
0.8
mA
0.8
mA
0.03 +0.03 µA
HLevel Output Voltage
LLevel Output Voltage
Output Terminal (CKO)
VOH(1) IOH = 0.05mA
VOL(1) IOL = 0.1mA
6.0
V
– – 0.4 V
HLevel Output Voltage
LLevel Output Voltage
Oscillator Terminal (QI, QO)
VOH(2) IOH = 0.4mA
VOL(2) IOL = 0.16mA
6.0
V
– – 0.4 V
Oscillation Frequency
Capacitance
fOSC
3.58 MHz
Input Capacitance
Output Capacitance
CI VI = 2V
CO VO = 2V
5 pF
7 pF
Pin Connection Diagram
VDD 1
QI 2
QO 3
CKO 4
LDI 5
TMO 6
N.C. 7
PDO 8
16 VSS
15 LFI
14 PI3
13 PI2
12 PI1
11 PI0
10 SCO
9 RCO
16
1
.785 (19.9)
Max
.245
(6.22)
Min
.100 (2.54)
.700 (17.7)
9
.260 (6.6) Max
8
.200 (5.08)
Max
.300
(7.62)







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