LTC1064 Datasheet, PDF (4/16 Pages) Linear Technology – Low Noise, Fast, Quad Universal Filter Building Block

LTC1064
BLOCK DIAGRA
INV A
(12)
–
AGND
(6)
+
INV B
(1)
–
+
INV C
(24)
–
+
INV D
(13)
–
+
HPA/NA
(11)
BPA
LPA
(10)
(9)
V⁺ (7)
+_Σ
–
HPB/NB
(2)
SA
(8)
+_∫
+_∫
BPB
LPB
(3)
(4)
50/100 (17)
CLK (18)
V ^– (19)
+_Σ
+_∫
+_∫
–
HPC/NC
BPC
LPC
(23)
SB
(22)
(21)
(5)
BY TYING PIN 17 TO V ⁺, ALL SECTIONS
+_Σ
+_∫
+_∫
OPERATE WITH (f_CLK/f_O) = 50:1.
BY TYING PIN 17 TO V ^–, ALL SECTIONS
–
HPD
(14)
SC
OPERATE WITH (f_CLK/f_O) = 100:1.
BY TYING PIN 17 TO AGND, SECTIONS B, C
BPD
(15)
LPD
(16)
OPERATE WITH (f_CLK/f_O) = 50:1 AND
SECTIONS A, D OPERATE AT 100:1.
(20)
+_∫
+_∫
1064 BD
TYPICAL PERFORMANCE CHARACTERISTICS
Mode 1, (f_CLK/f_O) = 50:1
T_A = 25°C
Q=5
20
Q = 10
15
10
5 ^{VS = ±2.5V}
V_S = ±5V
V_S = ±7.5V
0
–5
T_A = 25°C
Q = 5 OR 10
V_S = ±7.5V
1.5
V_S = ±5V
1.0
V_S = ±2.5V
0.5
0
0 10 20 30 40 50 60 70 80 90 100110 120
CENTER FREQUENCY (kHz)
1064 G01
Mode 1, (f_CLK/f_O) = 100:1
T_A = 25°C
Q=5
20
Q = 10
15
V_S = ±5V
10
V_S = ±7.5V
5
0
–5 ^VS ^{= ±2.5V}
1.5
V_S = ±5V
T_A = 25°C
Q = 5 OR 10
1.0 ^{VS = ±2.5V}
0.5
V_S = ±7.5V
0
0 10 20 30 40 50 60 70 80 90 100110 120
CENTER FREQUENCY (kHz)
1064 G02
Mode 2, (f_CLK/f_O) = 25:1
20
15
10
V_S = ±2.5V
5
C_C = 15pF
0
–5
T_A = 25°C
Q = 10
PIN 17 AT V⁺
(R2/R4) = 3
V_S = ±5V
C_C = 15pF
1.5
1.0
0.5
V_S = ±2.5V
V_S = ±5V
0
0 10 20 30 40 50 60 70 80 90 100110 120
CENTER FREQUENCY (kHz)
1064 G03
4