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參數(shù)資料
型號(hào): LTC1657CN
廠商: Linear Technology
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 0K
描述: IC DAC 16BIT R-R MICROPWR 28DIP
標(biāo)準(zhǔn)包裝: 47
設(shè)置時(shí)間: 20µs
位數(shù): 16
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 3mW
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 28-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 28-PDIP
包裝: 管件
輸出數(shù)目和類型: 1 電壓,單極;1 電壓,雙極
采樣率(每秒): *
16
LTC1657/LTC1657L
LINEAR TECHNOLOGY CORPORATION 1999
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
1657lf LT/TP 0201 4K PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LTC1446(L)
Dual 12-Bit VOUT DACs in SO-8 Package
VCC = 5V (3V), VOUT = 0V to 4.095V (0V to 2.5V)
LTC1450(L)
Single 12-Bit VOUT DACs with Parallel Interface
VCC = 5V (3V), VOUT = 0V to 4.095V (0V to 2.5V)
LTC1458(L)
Quad 12-Bit Rail-to-Rail Output DACs with Added Functionality
VCC = 5V (3V), VOUT = 0V to 4.095V (0V to 2.5V)
LTC1650
Single 16-Bit VOUT Industrial DAC in 16-Pin SO
VCC = ±5V, Low Power, Deglitched, 4-Quadrant Multiplying VOUT
LTC1654
Dual 14-Bit VOUT DAC
Programmable Speed/Power, SO-8 Footprint
LTC1655(L)
Single 16-Bit VOUT DAC with Serial Interface in SO-8
VCC = 5V (3V), Low Power, Deglitched, VOUT = 0V to 4.096V
(0V to 2.5V)
LTC1658
Single 14-Bit VOUT DAC in MSOP Package
2.7V to 5.5V Operation, Low Power
RELATED PARTS
This circuit shows how to measure negative offset. Since
LTC1657/LTC1657L operate on a single supply, if their
offset is negative, the output for code 0 limits at 0V. To
measure this negative offset, a negative supply is needed,
connect resistor R1 as shown in the figure. The output
voltage is the offset when code 0 is loaded in.
Although LTC1657 output is up to 4.096V with its internal
reference, higher voltages can be achieved with the help of
another op amp. The following circuit shows how to
increase the output swing of LTC1657 by using an LT1218.
As shown in the configuration, the output of LTC1657 is
amplified by 8 for an output swing of 0V to 32.768V, or a
convenient 0.5mV/LSB.
0.1
F
5V
–5V
1657 TA06
DATA (0:15)
CSLSB
CSMSB
WR
LDAC
CLR
GND
VCC
REFOUT
REFHI
REFLO
X1/X2
LTC1657/LTC1657L
P
26
21
20
22
23
24
25
5:19
2
3
1
28
27
VOUT
R1
100k
65535
0.1
F
5V
1657 TA07
VOUT =1 +
0.1
F
36V
(DIN)(4.096)
65536
R2
R1
DATA (0:15)
CSLSB
CSMSB
WR
LDAC
CLR
GND
VCC
REFOUT
REFHI
REFLO
X1/X2
LTC1657
P
7
6
4
26
21
20
22
23
24
3
25
5:19
2
3
1
28
27
2
VOUT
+
LT1218
()
R1
1k
1%
R2
6.98k
1%
DIN
32.768 (V)
0
TRANSFER CURVE
VOUT
Negative Offset Measurement
A Higher Voltage Output DAC
TYPICAL APPLICATIO S
U
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