NTE NTE1208 Datasheet
NTE1208
Integrated Circuit
CMOS, Phase Comparator
Description:
The NTE1208 is an integrated circuit in a 9–Lead SIP type package consisting of a digital phase
comparator and an amplifier . Three state output connected to low pass filter (using an internal amplifier) will produce DC voltage to control a VCO.
Low state pulses appear on phase out as long as the loop is unlocked and these can be utilized as
lock indicator.
Absolute Maximum Ratings:
(TA = +25°C unless otherwise speciied)
Supply Voltage, VDD 10V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage, V
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Operating Supply Voltage V
Output Voltage, “H” Level V
Output Voltage, “L” Level V
Quiescent Current I
3 State Leakage Current I
Filter Amp Voltage Gain A
–0.3V to VDD+0.3V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IN
–30° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
opr
–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
(TA = –35° to +75°C, VDD = 7.5V unless otherwise speciied)
DD
VIL = 1.6V, VIH = 6.6V, IOH = –50µA
VIH = 7.5V, VIL = 0V – – 200 µA
R
V
= 1MΩ, fIN = 1kHz, Rg = 600Ω – 3.0 – dB
1–2
DD
TLH
I
TLL
OH
OL
4.5 – 8.0 V
7.3 – – V
– – 0.2 V
– – 500 nA
– – –500 nA
Pin Connection Diagram
(Front View)
GND
9
R
8
S
7
N.C.
6
5
V
Phase Output
4
3
PD
2
A
1
A
DD
OUT
IN
OUT
.323
(8.2)
Max
.906 (23.0) Max.126 (3.2)
.099
19
(2.5)
Min
.020 (0.50).100 (2.54)
.800 (20.3)
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