LT1256 Linear Technology Corporation, LT1256 Datasheet - Page 21
![no-image](/images/manufacturer_photos/0/3/389/linear_technology_corporation_sml.jpg)
LT1256
Manufacturer Part Number
LT1256
Description
40mhz Video Fader And Dc Gain Controlled Amplifier
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1256.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1256CN#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1256CS
Manufacturer:
LTNEAR
Quantity:
20 000
Company:
Part Number:
LT1256CS#PBF
Manufacturer:
LT
Quantity:
51
Part Number:
LT1256CS#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1256CS#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
W
*full scale amp
IBFS
RIFS
C12
R12
CBWFS
EFS
VOSFS
C11
RFS
C10
*
*generating K
*** the next two lines are for the LT1251
EK K 0 TABLE {I(VOSC)/I(VOSFS)}= (–100,0)
+
*** the next two lines are for the LT1256
*EK K 0 TABLE {I(VOSC)/I(VOSFS)}= (–100,0)
*+
RDUMMY
RNOISE1 EN
RNOISE2 EN
*generates 40.7nV/rtHz
*
*null circuit
GNULL
RN1
VNULL
RN2
C6
*
*output stage
E6
+VALUE={1.8MEG*(I(VOS1)*V(K)+I(VOS2)*(1–V(K))–I(VNULL)+0.10UA+0.0007*V(EN))}
RG
CG
E8
V8
R8
*
*output swing and current limit
DP
VDP
DN
VDN
.MODEL
GCL
*
*supply current
GQ
GCC
GEE
*
.ENDS LT1251
ACRO ODEL
12A
12B
12B
12
12
12
12
11
11
10
6A
6A
6B
8A
8A
8B
8C
8C
8D
8B
8P
8N
8N
D1
8B
K
7
6
9
9
7
W
12A
11
10
6A
6B
8B
8D
8P
8B
0
0
0
0
0
0
0
0
0
0
7
6
7
0
0
0
8
9
7
D
0
7
0
0
–300NA
100MEG
1PF
1600
10PF
12A
–5MV
1PF
5K
1PF
1MEG
200K
200K
VALUE={I(VOSFS)}
200
0.0V
400
1PF
1.8MEG
3.4PF
8B
0.0V
11
D1
–1.4V
D1
1.4V
TABLE {I(V8)}=(–1,–1)(–0.04,0)(0.04,0)(1,1)
VALUE={1MA+24*I(VOSFS)+(V(7)–V(9))/20K}
TABLE {I(V8)}=(–1,0)(0,0)(1,1)
TABLE {I(V8)}=(–1,–1)(0,0)(1,0)
0
0
(0.9,0.907) (0.95,1.0) (100,1.0)
(0.9,0.9)
1.0
1.0
(0.04,0)
(0,0)
(1.0,1.0)
(0.1,0.11)
(0.2,0.21)
(100,1.0)
LT1251/LT1256
21