STV2246H STMicroelectronics, STV2246H Datasheet - Page 27

• Manufacturer Part Number: STV2246H
• Manufacturer: STMicroelectronics

Specifications of STV2246H

• Lead Free Status / Rohs Status: Compliant

STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS
4.4 IF SECTION
Tamb = 25°C, V
peak white level for positive modulation).
Video modulation DSB, D = 90% and f
Video Bandwidth = 5 MHz, AF = 1 kHz, Audio Bandwidth = 20 kHz, FMdev = ±27 kHz.
Volume Attenuation = 0 dB, AM carrier input: 10 mV
4.4.1 PIF Amplifier
4.4.2 PIFAGC Negative Modulation
4.4.3 PIFAGC Positive Modulation
4.4.4 Tuner AGC
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Symbol
Symbol
Symbol
Symbol
RINPIF
CINPIF
VINPIF
THICP
THIDP
SAGCT
AGCST
VMax.
IAGCT
I
I
AGCP
C
STT
I
I
GR
I
I
I
I
CP
DP
C
D
C
D
/I
D
Charging Current at AGCPIFCAP Pin
Discharging Current at AGCPIFCAP
Pin
Charging/Discharging Current Ratio
Charging Current at AGCPIFCAP Pin
Discharging Current at AGCPIFCAP
Pin
Additional Charging Current at
AGCPIFCAP Pin
Threshold for additional charging cur-
rent
Additional Discharging Current
Threshold for additional discharging
current
Input Sensitivity
Differential Input Resistance
Differential Input Capacitance
Gain Control Range
Maximum Input Signal
Maximum Sinked Current
Tuner AGC Slope (current)
Maximum Tuner plus Sinked Current (See Note 1)
Tuner AGC Starting Point (IF input
related signal)
Variation of take over point with tem-
perature
CCIF
= 5 V, V
Parameter
Parameter
Parameter
Parameter
CC2
= 8V, IF input =10 mV
SC
= 33.4 MHz in B/G, D = 95% in L, f
-1dB at Video Output (INTCVBSOUT)
PIF Inputs.
PIF Inputs.
+1dB at Video Output (INTCVBSOUT) 0.12
L mode in case of missing VITS
pulses and no white in Video con-
tent
Referred to nominal black level
2.3 V
Reg 03 (D7, D6)
Reg 03 (D5 to D0 = 10 0000)
Reg 03 (D5 to D0 = 00 0000)
Reg 03 (D5 to D0 = 11 1111)
Referred to nominal black level
2.3 V
PP
PP
RMS
Test Conditions
at INTCVBSOUT Pin
at INTCVBSOUT Pin
Test Conditions
Test Conditions
Test Conditions
RMS
, 54% modulated unless otherwise specified.
(at sync level for negative modulation, or at
00
01
10
11
PC
Min.
Min.
Min.
Min.
450
1.75
0.15
1.5
1.5
1.5
2.8
75
10
41
= 38.9 MHz.
20
Typ. Max.
0.03
Typ.
Typ.
Typ.
170
270
0.15
0.25
675
160
-345
50
95
40
12
80
2.5
85
65
15
45
2
2
30
2
2
4
0.07
Max.
Max.
Max.
2.5
3.25
0.35
900
2.5
2.5
5.2
95
20
49
40
mV
µA/dB
µV
dB/K
V
Unit
Unit
Unit
Unit
mA
mA
mA
mV
kΩ
dB
µA
µA
µA
µA
pF
RMS
mV
µA
RMS
RMS