参数资料
型号: LT1016IS8#TR
厂商: Linear Technology
文件页数: 5/20页
文件大小: 0K
描述: IC COMPARATOR 10NS HI SPD 8SOIC
标准包装: 2,500
系列: UltraFast™
类型: 带锁销
元件数: 1
输出类型: CMOS,补充型,TTL
电压 - 输入偏移(最小值): 3mV @ ±5V
电流 - 输入偏压(最小值): 10µA @ ±5V
电流 - 输出(标准): 20mA
电流 - 静态(最大值): 35mA
CMRR, PSRR(标准): 96dB CMRR,75dB PSRR
传输延迟(最大): 14ns
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
安装类型: 表面贴装
包装: 带卷 (TR)
LT1016
13
1016fc
applicaTions inForMaTion
1.8s, 12-Bit A/D Converter
The LT1016’s high speed is used to implement a very fast
12-bit A/D converter in Figure 15. The circuit is a modified
form of the standard successive approximation approach
andisfasterthanmostcommercialSAR12-bitunits.Inthis
arrangement the 2504 successive approximation register
(SAR), A1 and C1 test each bit, beginning with the MSB,
and produce a digital word representing VIN’s value.
To get faster conversion time, the clock is controlled
by the window comparator monitoring the DAC input
summing junction. Additionally, the DMOS FET clamps
the DAC output to ground at the beginning of each clock
cycle, shortening DAC settling time. After the fifth bit is
converted, the clock runs at maximum speed.
Figure 15. 12-Bit 1.8s SAR A-to-D
+
LT1021
10V
MSB
LSB
PARALLEL
DIGITAL
DATA
OUTPUT
5V
15V
5V
–5V
5V
–15V
VR+
VR–
GND
IO
V+
V
COMP
AM6012
AM2504
150k
15k
1k
5V
Q4
Q5
NC
–5V
5V
–15V
5V
2.5k
620*
150
0.01F
Q3
Q1 Q2
VIN
0V TO 10V
27k
STATUS
9
6
7
5
4
3
1000pF
0.01F
SD210
V+
CLK
GND
E
S
CC
D
Q6
1
3
14
11
12
13
14
15
16
17
18
19
20
24
13
10k**
10k
2.5k**
1k
+
NC
5V
1k
0.1F
10
–5V
1k
0.1F
10
1/2 74S74
1/6 74S04
1/4 74S00
1/4 74S08
1/6 74S04
PRS
Q
RST
D
CLK
CLOCK
CONVERT
COMMAND
7.4MHz
IN B
Q
74121
1016 F15
Q1 TO Q5 RCA CA3127 ARRAY
1N4148
HP5082-2810
*1% FILM RESISTOR
**PRECISION 0.01%; VISHAY S-102
+
C3
LT1016
C1
LT1016
C2
LT1016
10V
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