FI1216MK2 Datasheet, PDF (11/20 Pages) NXP Semiconductors – Desktop video tuner system CCIR B/G

Philips Components
Desktop video tuner
system CCIR B/G
Preliminary specification
FI1216MK2
Video and audio characteristics (see Fig.2)
PARAMETER
CVBS characteristics:
video amplitude signal at pin 23
DC level sync pulse at pin 23
Video amplitude drop with respect to modulation
0.1 MHz at T_amb = 45 °C:
at 1 MHz
at 2 MHz
at 3 MHz
at 4 MHz
at 4.43 MHz
Sound carrier rejection
Residual 40.4 MHz signal in video channel:
level of 1.5 MHz
Residual 77.8 MHz signal in video channel
Second IF sound output level at level of 5.5 MHz
Test on 2T pulse at T_amb = 45 °C:
2T pulse/bar response
2T pulse response
CVBS S/N (unweighted)
Gain limited sensitivity at 1 dB reduction
of video output
Audio characteristics:
AF output level measured via LP 20 kHz filter,
RMS detector, 50 µs de-emphasis
THD (Total Harmonic Distortion) measured via
LP 20 kHz filter, RMS detector, 50 µs
de-emphasis
S/N measured via CCIR filter, peak
CCIR detector, 50 µs de-emphasis
AF 3 dB response measured via LP 20 kHz filter,
RMS detector, de-emphasis off
AM suppression ratio
TEST SIGNAL
A1 (peak-to-peak value)
A1
A1
A1
A1
A1
A1
A1 (1 MHz) + B1
A1 + B3
A1
A1 + B1
A1
A1
A1 + B1
A1
A1 + B2
A1 + B2
A1 (6 kHz sine wave,
black-to-white) + B1
A1 (black) + B1
A1 + B2
TEST
POINT
MIN.
TYP.
MAX.
UNIT
BU4 0.7 − 1.1 V
BU4 − 0.35 −
V
BU4 −1.0 − +1.0 dB
BU4 −1.5 − +1.5 dB
BU4 −2.5 − +1.5 dB
BU4 −3.0 − +2.0 dB
BU4 −4.0 − +2.0 dB
BU4 40 − −
dB
BU4 − − 68 dBµV
BU4 − −
BU5 84 −
80 dBµV
−
dBµV
BU4 −2.5 −
BU4 − −
BU4 41 −
BU4 −
−
+2.5
+3.0
−
30
%
%
dB
dBµV
BU6 0.25 0.35 0.50 V
BU6 − − 0.5 %
BU6 41 − −
dB
BU6 16 − −
kHz
BU6 40 − −
dB
Digital AFC status
PARAMETER
ADC word at I²C-bus during read operation
CONDITIONS
input voltage at pin 10: 0.0 to 0.15V_S
input voltage at pin 10: 0.15 to 0.30V_S
input voltage at pin 10: 0.30 to 0.45V_S
input voltage at pin 10: 0.45 to 0.60V_S
input voltage at pin 10: 0.60 to 1.00V_S
FREQUENCY DIGITAL
(kHz)
READ-OUT
−125
00
−62.5
01
0
02
+62.5
03
+125
04
1997 Mar 13
11