TL1051 Datasheet, PDF (8/13 Pages) Texas Instruments – VIDEO PREPROCESSOR CIRCUIT

TL1051
VIDEO PREPROCESSOR CIRCUIT
SOCS032B – NOVEMBER 1991
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
ALC-clip section
PARAMETER
VO Output voltage
Clip level
Output impedance
ALCREF
YALC
YALC
ALCREF, YALC
TEST CONDITIONS
VCC = 4.8 V to 5.2 V
MIN TYP†
2.6 2.8
340
800
MAX
3
100
UNIT
V
mV
mV
Ω
AGCDET section (see Note 4)
Gain
AGC setpoint 1
AGC setpoint 2
AGC setpoint 3
PARAMETER
AGCDET, AGCOUT
AGCDET, AGCSET,
AGCOUT
TEST CONDITIONS
AGCSET = 3.5 V
AGCSET = 1.5 V
AGCSET open
MIN TYP†
60
41%
12%
24%
MAX
UNIT
dB
ALC-amplifier section
PARAMETER
Maximum output voltage ALCDRV
Minimum output voltage ALCDRV
VIO Input offset voltage
ALC+, ALC –
IIB
Input bias current
ALC+, ALC –
II
Input current
RESET
Gain
ALC+, ALC –, ALCDRV
† _{All typical values are at TA = 25° C.}
NOTE 4: The YAGC output is 100% when the YAGCIN input = 250 mV.
TEST CONDITIONS
MIN TYP†
3.5
–8
0
– 0.5
60
MAX
0.5
8
200
0.5
UNIT
V
V
mV
nA
mA
dB
operating characteristics over recommended operating temperature range (unless otherwise
noted)
Y-switch section
PARAMETER
Switching frequency, RIN, GIN, BIN to YSW
RIN or BIN to YSW
tpd
GIN to YSW
SWR, SWG, or SWB to YSW
SWR, SWG, SWB acquisition time
YSW output settling time
TEST CONDITIONS
WB = 0 V to VCC
MIN TYP MAX UNIT
8
10
MHz
20
30
10
20 ns
5
20 ns
30
ns
clamp section
PARAMETER
tpd
PCL1 to YSW
TEST CONDITIONS
MIN MAX UNIT
100 ns
blanking section
tpd
PBL to YSW
PARAMETER
TEST CONDITIONS
MIN MAX UNIT
150 ns
4-8
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