2
SP1461SA Advance Information
36
-40
32
25
2.0
20
0.5
0.25
570
25
38
240
75
1.9
0.5
1.0
72
0.3
0.4
50
mA
MHz
dBm
MHz/V
%
MHz/V
KHz/
°C
V/rad
dB
MHz
Vp-p
%
Degree
dB
%
A
V
40
800
39
700
1.2
95
5
2.5
3
-40
3
2
400
250
400
10
0.4
ELECTRICAL CHARACTERISTICS
Tamb = -20°C to +80°C, VCC = +4.5V to +5.5V. The electrical characteristics are guaranteed by either production test or design.
They apply within the specified ambient temperature and supply voltage unless otherwise stated.
Min.
Typ.
Max.
Supply current
Operating frequency
Input sensitivity
Input overload
VCO sensitivity (dF/dV)
VCO linearity
VCO supply stability
VCO temperature stability
Phase detector gain
Loop amplifier input impedance
Loop amplifier output impedance
Loop amplifier open loop gain
Loop amplifier gain bandwidth product
Loop amplifier output swing
Video drive output impedance
Video drive:
Luminance nonlinearity
- differential gain
- differential phase
- intermodulation
- signal/noise
- Tilt
- baseline distortion
AGC output current
AGC bias current
AFC window current
AFC charge pump current
AFC leakage current
AFC output saturation voltage
Preamp limiting
Refer to application in Fig. 3
Refer to application in Fig. 3; with
13.5MHz p-p deviation
See note 5
Differential loop filter
Single ended loop filter
Single ended
1K
load, See note 3 and 4
75K
load, See note 3 and 4
75K
load, See note 3 and 4
See notes 1, 3 and 4
1K
load, See note 2 and 4
1K
load, See note 3 and 4
1K
load, See note 3 and 4
Maximum load voltage drop 2V
400
A gives 1.5V deadband window
With charge pump disabled
AFC output enabled
Units
Value
Conditions
Characteristics
300
0
25
450
55
66
10
0
Note 1.
Product of input modulation f 1 at 4.43MHz, 13.5MHz p–p deviation and f 2 at 6MHz p–p deviation, (PAL chroma and sound
subcarriers).
Note 2.
Ratio of output video signal with input modulation at 1MHz, 13.5MHz p–p deviation, to output rms noise in 6MHz bandwidth
with no input modulation.
Note 3.
Input test signal pre–emphasised video 13.5MHz p–p deviation. Output voltage 600mV pk–pk.
Note 4.
See page 3
Note 5.
Assuming operating frequency of 479.5MHz set with VCC@ 5.0V and ambient temperature of +20°C. Only applies to Application
shown in Fig. 3. also refer to Fig. 8.