ISL59834 Datasheet, PDF (9/17 Pages) Intersil Corporation – Quad Channel, Single Supply, Video Reconstruction Filter with On-Board Charge Pump

ISL59834
Typical Performance Curves V_CP = V_S = 3.3V, C_F1 = C_F2 = 0.1µF, C_S1 = C_S2 = 0.22µF, C_FIL1 = C_FIL2 = 0.4µF, C_IN1 = C_IN2 =
C_IN3 = C_IN4 = 0.1µF, R_L1 = R_L2 = 150Ω.
10
2
CHANNEL 2, 4 CHANNEL 1, 3
0
1
R_L = 75Ω
R_L = 75Ω
-10
-20
CHANNEL 2, 4
R_L = 150Ω
CHANNEL 2, 4
R_L = 75Ω
-30
-40
CHANNEL 1, 3
-50
R_L = 150Ω
-60
-70
0.1
CHANNEL 1, 3
R_L = 75Ω
1M
10M
FREQUENCY (Hz)
FIGURE 1. BANDWIDTH vs FREQUENCY
100M
0
CHANNEL 1, 3
-1
R_L = 150Ω
-2
CHANNEL 2, 4
R_L = 150Ω
-3
-4
-5
0.1
1M
10M
FREQUENCY (Hz)
FIGURE 2. GAIN FLATNESS vs FREQUENCY
50
40
30
20
10
0
-10
-20
-30
-40
0.1
CHANNEL 1, 3
LUMA
CHANNEL 2, 4
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
-10 ^{INPUT OF CHANNEL 1/2 TO OUTPUT OF CHANNEL 3/4}
-20
-30
-40
-50
-60
-70
-80
-90
0.1
1M
10M
FREQUENCY (Hz)
100M
FIGURE 6. INTER-CHANNEL CROSSTALK
9
FN6268.1
June 11, 2008