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LTC1257CS8#PBF

P1-P3P4-P6P7-P9P10-P12
LTC1257
10
1257fc
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
N8 REV I 0711
.065
(1.651)
TYP
.045 – .065
(1.143 – 1.651)
.130 ±.005
(3.302 ±0.127)
.020
(0.508)
MIN
.018 ±.003
(0.457 ±0.076)
.120
(3.048)
MIN
.008 – .015
(0.203 – 0.381)
.300 – .325
(7.620 – 8.255)
.325
+.035
–.015
+0.889
–0.381
8.255
( )
1 2
3
4
8 7 6
5
.255 ±.015*
(6.477 ±0.381)
.400*
(10.160)
MAX
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.100
(2.54)
BSC
N Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510 Rev I)
.016 – .050
(0.406 – 1.270)
.010 – .020
(0.254 – 0.508)
× 45°
0°– 8° TYP
.008 – .010
(0.203 – 0.254)
SO8 REV G 0212
.053 – .069
(1.346 – 1.752)
.014 – .019
(0.355 – 0.483)
TYP
.004 – .010
(0.101 – 0.254)
.050
(1.270)
BSC
1
2
3
4
.150 – .157
(3.810 – 3.988)
NOTE 3
8
7
6
5
.189 – .197
(4.801 – 5.004)
NOTE 3
.228 – .244
(5.791 – 6.197)
.245
MIN
.160 ±.005
RECOMMENDED SOLDER PAD LAYOUT
.045 ±.005
.050 BSC
.030 ±.005
TYP
INCHES
(MILLIMETERS)
NOTE:
1. DIMENSIONS IN
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
4. PIN 1 CAN BE BEVEL EDGE OR A DIMPLE
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610 Rev G)
LTC1257
11
1257fc
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
REVISION HISTORY
REV DATE DESCRIPTION PAGE NUMBER
C 12/12 Removed MAX Voltage Output Settling Time value in Electrical Characteristics section 3
(Revision history begins at Rev C)
LTC1257
12
1257fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 1994
LT 1212 REV C • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Driving LTC1257 with Opto-Isolators
LT1021-5
V
OUT
V
IN
12V
V
REF
GND
CLK
6
1
2
1
2
1
2
4
5
6
4
5
6
4
5
2k
5%
2k
5%
2k
5%
V
OUT
V
OUT
0.1µF
V
CC
D
IN
CLK
D
IN
LOAD
D
OUT
LTC1257
MOC5008
MOC5008
MOC5008
LOAD
1257 TA07
PART NUMBER DESCRIPTION COMMENTS
12 Bit
LTC1446/LTC1446L Dual 12-Bit V
OUT
DACs in SO-8 Package LTC1446: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1446L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1448 Dual 12-Bit V
OUT
DAC in SO-8 Package, V
CC
: 2.7V to 5.5V Output Swings from GND to REF, REF Input Can Be
Tied to V
CC
LTC1450/LTC1450L Single 12-Bit V
OUT
DACs with Parallel Interface LTC1450: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1450L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1451 Single Rail-to-Rail 12-Bit V
OUT
DAC, Full Scale: 4.095V, V
CC
: 4.5V to 5.5V,
Internal 2.048V Reference Brought Out to Pin
Low Power, Complete V
OUT
DAC in SO-8 Package
LTC1452 Single Rail-to-Rail 12-Bit V
OUT
Multiplying DAC, V
CC
: 2.7V to 5.5V Low Power, Multiplying V
OUT
DAC with Rail-to-Rail
Buffer Amplifier in SO-8 Package
LTC1453 Single Rail-to-Rail 12-Bit V
OUT
DAC, Full Scale: 2.5V, V
CC
: 2.7V to 5.5V 3V, Low Power, Complete V
OUT
DAC in SO-8 Package
LTC1454/LTC1454L Dual 12-Bit V
OUT
DACs in SO-16 Package with Added Functionality LTC1454: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1454L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1456 Single Rail-to-Rail Output 12-Bit DAC with Clear Pin, Full Scale: 4.095V,
V
CC
: 4.5V to 5.5V
Low Power, Complete V
OUT
DAC in SO-8 Package with
Clear Pin
LTC1458/LTC1458L Quad 12 Bit Rail-to-Rail Output DACs with Added Functionality LTC1458: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1458L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1659 Single Rail-to-Rail 12-Bit V
OUT
DAC in MSOP-8 Package,
V
CC
= 2.7V to 5.5V
Output Swings from GND to REF, REF Input Can Be
Tied to V
CC
14 Bit
LTC1658 14-Bit Rail-to-Rail Micropower DAC in MSOP, V
CC
= 2.7V to 5.5V Output Swings from GND to REF, REF Input Can Be
Tied to V
CC
LTC1654 Dual 14-Bit V
OUT
DAC Programmable Speed/Power, SO-8 Footprint
16 Bit
LTC1655(L) Single 16-Bit V
OUT
DAC with Serial Interface in SO-8 V
CC
= 5V (3V), Low Power, Deglitched,
V
OUT
= 0V to 4.096V (0V to 2.5V)
P1-P3P4-P6P7-P9P10-P12

LTC1257CS8#PBF

Mfr. #:
Buy LTC1257CS8#PBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC 12-bit Vout DAC w/ Internal Reference
Lifecycle:
New from this manufacturer.
Delivery:
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