STV2180A [STMICROELECTRONICS]
BASE BAND CHROMA DELAY LINE; 基带色度延迟线
| 型号： | STV2180A |
| 厂家： | 
ST |
| 描述： | BASE BAND CHROMA DELAY LINE |
| 文件： | 总6页 (文件大小：60K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STV2180A
BASE BAND CHROMA DELAY LINE
PRELIMINARY DATA
.
.
DUAL SWITCHED CAPACITOR DELAY LINE
3MHz CLOCK DERIVED FROM 6MHz VCO
LOCKED BY THE BURST GATE PULSE
SAMPLE AND HOLD CIRCUITS AND LOW-
PASS FILTERS TO SUPPRESS THE 3MHz
CLOCK RESIDUAL
CLAMPED B-Y AND R-Y INPUTS
OUTPUT BUFFERS
ADJUSTMENT-FREE APPLICATION
DIP14 PACKAGE
.
.
.
.
.
DIP14
(Plastic Package)
ORDER CODE :
STV2180A
DESCRIPTION
The STV2180Ais an integratedbase band chroma
delay line with one line delay, which has been
designed to match chroma decoders with colour
difference signal outputs (R-Y) and (B-Y).
PIN CONNECTIONS
Not to Be Connected
R-Y INPUT
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
B-YI
NC
B-Y INPUT
R-YI
Not to Be Connected
R-Y OUTPUT R-YO
B-Y OUTPUT B-YO
AGND ANALOG GROUND
VCC
VINT
SUPPLY VOLTAGE
INTERNAL SUPPLY
PLL LOOP FILTER FPLL
SUPER SAND CASTLE
SSC
IREF
NC
REF. CURRENT
DIGITAL GROUND DGND
8
Not to Be Connected
1/6
February 1997
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
STV2180A
BLOCK DIAGRAM
STV2180A
R-YI
R-YO
B-YO
SAMPLE
AND
HOLD
INPUT
CLAMP
DELAY
LINE
2
LPF
LPF
3
4
B-YI
SAMPLE
AND
HOLD
INPUT
14
DELAY
LINE
CLAMP
SSC
SELECT
6MHz PLL AND
CLOCK GENERATOR
Not to be
connected
TEST
SSC
6
CURRENT
REF
BANDGAP
11
10
5
9
7
12
FPLL
IREF
VINT
VCC
DGND
AGND
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
11
Unit
VCC
TA
Supply Voltage (Pin 11)
V
°C
Operating Ambiant Temperature
Storage Temperature
0 to 70
-25 to +150
90
Tstg
°C
Rth(j-a)
Junction-Ambiant Thermal Resistance Pd = 1W
°C/W
2/6
STV2180A
ELECTRICAL CHARACTERISTICS
amb = 25oC, VCC = 9V, R9 = 4.02k , unless otherwise specified
Ω
T
Symbol
SUPPLY/VREF (Pins 11 and 10)
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VCC
ICC
Pd
Supply Voltage
Supply Current
8.5
9
15
135
7
9.5
25
V
mA
mW
V
Power Consumption
Internal Voltage
VCC = 9V
240
Vint
SAND CASTLE INPUT (Pin 6)
FSSC
VTH
Burst Gate Frequency
No input signal
14.5 15.625 16.5
kHz
V
Threshold Voltage (Burst Gate)
Input Capacitance
3.2
3.5
3.8
12
Cin
pF
COLOR DIFFERENCE INPUT SIGNALS (Pins 2 and 14)
R-Y IPN
R-Y IS
B-Y IPN
B-Y IS
Rin
R-Y Typical Input Signal PAL & NTSC Peak-to-peak value
R-Y Typical Input Signal SECAM Peak-to-peak value
B-Y Typical Input Signal PAL & NTSC Peak-to-peak value
525
1.05
665
mVPP
VPP
mVPP
VPP
kΩ
B-Y Typical Input Signal SECAM
Input Resistance
Peak-to-peak value
1.33
10
Cin
Input Capacitance
12
pF
VClamp
IClamp
Clamping Voltage
2.7
V
Clamping Current
Vin = VClamp ±0.2V
±50
µA
COLOR DIFFERENCE OUTPUT SIGNALS (Pins 3 and 4)
B-Y O
R-Y O
DG
B-Y Output Signal
R-Y Output Signal
Differential Gain
PAL-NTSC Gain
SECAM Gain
Peak-to-peak value
Peak-to-peak value
SECAM Vn/Vn-1 : Vin = 1VPP
Vin = 0.5VPP
1.8
1.8
VPP
VPP
dB
-0.4
5.8
0
6.3
0
+0.4
6.8
GPN
GS
dB
Vin = 1VPP
-0.5
+0.5
dB
VNoise
RMS Noise Voltage
Ri = 300Ω
BW = 10kHz to 1MHz
2
mVRms
Rout
Output Resistance
200
64
Ω
Delay
Delayed Signal Delay
Referred to non delayed output 63.93
Referred to input
64.07
1000
µs
ns
ns
Non Delay Non Delayed Signal Delay
TR Output Signal Transient Time
PLL FILTER LOOP (Pin 5)
ICharg Charging Current
VPLL DC Voltage
CURRENT REFERENCE (Pin 9)
VDC DC Voltage
100
650
500ns transient input signal
100
3.5
µA
V
R9 = 4.02kΩ to ground
1.15
V
3/6
STV2180A
INPUT/OUTPUT PIN CONFIGURATION
Pins 10, 11 : VINT and VCC
SUPPLY
Pins 7, 11, 12 : DGND, VCC, AGND
SUPPLY
VOLTAGE
11
VOLTAGE
VCC
VCC
11
ESD
ESD
BANDGAP
PROT
PROT
INTERNAL
SUPPLY
VINT
10
12
7
ANALOG
GROUND
AGND
DIGITAL
GROUND
DGND
Pins 2, 14 : R-YI, B-YI
Pins 3, 4 : R-YO, B-YO
VCC
VINT
VCC
R-Y AND B-Y
INPUTS
Pins 2 and 14
R-Y AND B-Y
OUTPUTS
BG
2.5V
AGND
Pins 3 and 4
AGND
Pin 6 : SSC
Pin 9 : IREF
VINT
VINT
2.5V
VCC
VCC
SUPER SAND
CASTLE INPUT
6
SSC
IREF
9
DGND
DGND
AGND
Pin 5 : FPLL
VINT
VCC
PLL LOOP
FILTER
5
BG
DGND
4/6
STV2180A
TYPICAL APPLICATION
9V
10Ω
10nF
10nF
10nF
10nF
R-YO
B-YO
VCC
11
3
4
10 to 100nF
close to Pin
47µF
STV2118
14 B-YI
STV2180A
VINT 10
100nF
2
6
R-YI
SSC
R9
IREF
9
DGND AGND
12
FPLL
4.02kΩ 1%
7
5
15kΩ
1µF
4.7nF
5/6
STV2180A
PACKAGE MECHANICAL DATA
14 PINS - PLASTICPACKAGE
Millimeters
Inches
Typ.
Dimensions
Min.
0.51
1.39
Typ.
Max.
Min.
0.020
0.055
Max.
a1
B
b
1.65
0.065
0.5
0.020
0.010
b1
D
E
e
0.25
20
0.787
8.5
2.54
15.24
0.335
0.100
0.600
e3
F
7.1
5.1
0.280
0.201
I
L
3.3
0.130
Z
1.27
2.54
0.050
0.100
Information furnishedis believed to be accurate and reliable.However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patentsor other rights of third parties which may result
from itsuse. No licence is grantedby implication orotherwise underany patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previouslysupplied. SGS-THOMSON Microelectronics products are not authorized for use as criticalcomponents in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1997 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to
the I2C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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