ISL59114 Datasheet, PDF (4/10 Pages) Intersil Corporation – YC (S-video) to Composite Video Driver with LPF

ISL59114
Pin Descriptions
PIN NUMBER
PIN NAME
1
Y_IN
2
EN_CLAMP
3
C_IN
4
EN_CY
5
V_DD
6
EN_CVBS
7
C_OUT
8
CVBS_OUT
9
Y_OUT
10
GND
DESCRIPTION
Luminance input
Enable clamp. Tie high for AC coupled inputs. Tie low for DC coupled inputs.
Chrominance input
Enable chrominance and luminance outputs
Positive power supply
Enable composite video output
Chrominance output
Composite video output
Luminance output
Ground
Typical Performance Curves
5
0
-0.1dB BW @ 5.6MHz
-5
-10
-15
-20
-25
-30 ^VDD ^{= +3.3V}
R_L = 150Ω
-35
100k
1M
10M 25M
FREQUENCY RESPONSE (Hz)
FIGURE 1. GAIN vs FREQUENCY -0.1dB
5
0
-3dB BW @ 8.8MHz
-5 _{-28dB BW @ 27MHz}
-10
-15
-20
-25
-30 ^{VDD = +3.3V}
R_L = 150Ω
-35
100k
1M
10M
35M
FREQUENCY RESPONSE (Hz)
FIGURE 2. GAIN vs FREQUENCY -3dB POINT
2
V_DD = +3.3V
1 _{RL = 150Ω}
0
C_L = 470pF
-1
-2
-3
C_L = 100pF
-4
-5
C_L = 10pF
-6
100k
1M
10M 25M
FREQUENCY RESPONSE (Hz)
FIGURE 3. GAIN vs FREQUENCY FOR VARIOUS C_LOAD
4.0
3.5
V_DD = +3.3V
R_L = 150Ω
3.0 ^{FIN = 100kHz}
2.5
2.0
1.5
1.0
0.5
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V_IN (V_P-P)
FIGURE 4. MAXIMUM OUTPUT MAGNITUDE vs INPUT
MAGNITUDE
4
FN6184.2
September 21, 2006