參數(shù)資料
型號(hào): LT1021DMH-7
廠商: LINEAR TECHNOLOGY CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RCA Crimp Plug; Contact Termination:Crimp; Body Style:Straight Plug; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):No; RG Cable Type:Belden 1855A
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 7 V, MBCY8
封裝: 0.200 INCH, METAL CAN, TO-5, 8 PIN
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 227K
代理商: LT1021DMH-7
12
LT1021
TYPICAL APPLICATIO
N
S
Boosted Output Current
with No Current Limit
Boosted Output Current
with Current Limit
Ultraprecise Current Source
LT1021-10
OUT
IN
TRIM
GND
4.32k
V
OUT
= 10.24V
V
IN
5k
V
= –15V*
*MUST BE WELL REGULATED
dV
OUT
dV
=1V
1021 TA12
Trimming 10V Units to 10.24V
CMOS DAC with Low Drift Full-Scale Trimming**
LT1021-10
TRIM
GND
OUT
LT1236 TA15
+
1.2k
R2
40.2
1%
R1
4.99k
1%
REF
CMOS
DAC
7520, ETC
I
OUT
FB
30pF
LT1007C
R4*
100
FULL-SCALE
ADJUST
R3
4.02K
1%
10V
F.S.
–15V
TC LESS THAN 200ppm/
°
C
NO ZERO ADJUST REQUIRED
WITH LT1007 (V
0S
60
μ
V)
*
**
LT1021-7
OUT
IN
2
*LOW TC
3
4
7
GND
–15V
15V
TRIM
100
15V
6
6.98k*
0.1%
17.4k
1%
1021 TA07
+
LT1001
I
OUT
= 1mA
REGULATION < 1ppm/V
COMPLIANCE = –13V TO 7V
LT1021
OUT
V
+
(V
OUT
+ 1.8V)
GND
IN
1021 TA05
2N2905
10V AT
100mA
2
μ
F
SOLID
TANT
R1
220
+
LT1021
OUT
GND
IN
1021 TA06
2N2905
10V AT
100mA
2
μ
F
SOLID
TANT
D1*
LED
V
+
V
OUT
+ 2.8V
8.2
R1
220
*GLOWS IN CURRENT LIMIT,
DO NOT OMIT
+
Operating 5V Reference from 5V Supply
2-Pole Lowpass Filtered Reference
LT1021-5
OUT
IN
GND
1021 TA16
1N914
1N914
8.5V
C2*
5
μ
F
C1*
5
μ
F
5V
REFERENCE
5V LOGIC
SUPPLY
CMOS LOGIC GATE**
f
IN
2kHz*
FOR HIGHER FREQUENCIES C1 AND C2 MAY BE DECREASED
PARALLEL GATES FOR HIGHER REFERENCE CURRENT LOADING
**
*
+
+
LT1021
OUT
IN
GND
1021 TA13
+
R1
36k
1
μ
F
MYLAR
0.5
μ
F
MYLAR
R2
36k
LT1001
V
IN
V
IN
V
REF
–V
REF
f = 10Hz
TOTAL NOISE
2
μ
V
RMS
1Hz
f
10kHz
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