ISL59832 Datasheet, PDF (7/14 Pages) Intersil Corporation – Dual Channel, Single Supply Video Reconstruction Filter with Charge Pump

ISL59832
Typical Performance Curves V_CP = V_S = 3.3V, C_F = 0.1µF, C_S = 0.22µF, C_FIL = 0.4µF, C_IN1= C_IN2 = 0.1µF, R_L1= R_L2 = 150Ω.
10
2
CHANNEL 2
CHANNEL 1
0
1
R_L = 75Ω
R_L = 75Ω
-10
-20
CHANNEL 2
R_L = 150Ω
CHANNEL 2
R_L = 75Ω
-30
-40
CHANNEL 1
-50
R_L = 150Ω
-60
-70
0.1
CHANNEL 1
R_L = 75Ω
1M
10M
FREQUENCY (Hz)
FIGURE 1. BANDWIDTH vs FREQUENCY
100M
0
CHANNEL 1
-1
R_L = 150Ω
-2
CHANNEL 2
R_L = 150Ω
-3
-4
-5
0.1
1M
10M
FREQUENCY (Hz)
FIGURE 2. GAIN FLATNESS vs FREQUENCY
50
40
CHANNEL 1
LUMA
30
20
10
0
-10
-20
-30
-40
0.1
CHANNEL 2
CHROMA
1M
10M
FREQUENCY (Hz)
FIGURE 3. GROUP DELAY vs FREQUENCY
100M
-1.40
-1.41
-1.42
-1.43
V_S = 3.3V
V_CP = 2.7 TO 3.6V
ALL MEASUREMENTS
AT VEE_IN
-1.44
-1.45
-1.46
-1.47
V_CP = 3.3V
V_S = 2.7V TO 3.6V
V_CP = V_S = 2.7V TO 3.6V
-1.48
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
FIGURE 4. CHARGE PUMP VOLTAGE vs SUPPLY VOLTAGE
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
ENABLE = LOW
ANY INPUT TO ANY OUTPUT
1M
10M
FREQUENCY (Hz)
100M
FIGURE 5. INPUT-TO-OUTPUT ISOLATION vs FREQUENCY
0
INPUT OF CHANNEL 1 TO OUTPUT OF
-10 _{CHANNEL 2 AND VICE-VERSA}
-20
-30
-40
-50
-60
-70
0.1
1M
10M
FREQUENCY (Hz)
FIGURE 6. LUMA-TO-CHROMA CROSSTALK
100M
7
FN6267.1
June 11, 2008