- 您现在的位置：买卖IC网 > PDF目录17066 > DC178A (Linear Technology)BOARD SAR ADC LTC1418 PDF资料下载
参数资料
| 型号： | DC178A |
| 厂商： | Linear Technology |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC1418 |
| 设计资源： | DC178A Design File DC178A Schematic |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 200k |
| 数据接口： | 串行，并联 |
| 输入范围： | ±2.048 V |
| 已用 IC / 零件： | LTC1418 |
| 已供物品： | 板 |
| 相关产品： | LTC1418IG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418AIG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418CG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418ACG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418IG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418CN#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28-DIP LTC1418IN#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28-DIP LTC1418CG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418ACG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418AIG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP 更多... |
第1页第2页第3页第4页当前第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
13
LTC1418
APPLICATIONS INFORMATION
WU
U
Figure 9a. LTC1418 Unipolar Transfer Characteristics
ANALOG INPUT
1418 F10a
5V
R4
100
R2
50k
R3
24k
R7
48k
R6
24k
R1
50k
R5
47k
0.1
F
10
F
R8
100
1
2
3
4
5
LTC1418
AIN
+
AIN
–
VREF
REFCOMP
AGND V
SS
VDD
Figure 10a. Offset and Full-Scale Adjust Circuit
If – 5V Is Not Available
UNIPOLAR / BIPOLAR OPERATION AND ADJUSTMENT
Figure 9a shows the ideal input/output characteristics for
the LTC1418. The code transitions occur midway between
successive integer LSB values (i.e., 0.5LSB, 1.5LSB,
2.5LSB, … FS – 1.5LSB). The output code is natural binary
with 1LSB = FS/16384 = 4.096V/16384 = 250
V.Figure9b
shows the input/output transfer characteristics for the
bipolar mode in two’s complement format.
Unipolar Offset and Full-Scale Error Adjustment
In applications where absolute accuracy is important,
offset and full-scale errors can be adjusted to zero. Offset
error must be adjusted before full-scale error. Figures
10a and 10b show the extra components required for full-
scale error adjustment. Zero offset is achieved by adjust-
ing the offset applied to the AIN– input. For zero offset
error apply 125
V (i.e., 0.5LSB) at the input and adjust
the offset at the AIN– input until the output code flickers
between 0000 0000 0000 00 and 0000 0000 0000 01. For
full-scale adjustment, an input voltage of 4.095625V
(FS – 1.5LSBs) is applied to AIN+ and R2 is adjusted until
the output code flickers between 1111 1111 1111 10 and
1111 1111 1111 11.
Bipolar Offset and Full-Scale Error Adjustment
Bipolar offset and full-scale errors are adjusted in a similar
fashion to the unipolar case. Again, bipolar offset error
must be adjusted before full-scale error. Bipolar offset
Figure 9b. LTC1418 Bipolar Transfer Characteristics
Figure 10b. Offset and Full-Scale Adjust Circuit
If – 5V Is Available
INPUT VOLTAGE (V)
0V
OUTPUT
CODE
–1
LSB
1418 F9b
011...111
011...110
000...001
000...000
100...000
100...001
111...110
1
LSB
BIPOLAR
ZERO
111...111
FS/2 – 1LSB
–FS/2
FS = 4.096V
1LSB = FS/16384
ANALOG INPUT
1418 F10b
5V
–5V
1N5817
R4
100
R2
50k
R3
24k
R6
24k
R1
50k
R5
47k
0.1
F
*
*ONLY NEEDED IF VSS GOES
ABOVE GROUND
10
F
1
2
3
4
5
LTC1418
AIN
+
AIN
–
VREF
REFCOMP
AGND V
SS
VDD
INPUT VOLTAGE (V)
0V
OUTPUT
CODE
FS – 1LSB
1418 F9a
111...111
111...110
111...101
111...100
000...000
000...001
000...010
000...011
1
LSB
UNIPOLAR
ZERO
1LSB =
FS
16384
4.096V
16384
=
相关PDF资料 |
PDF描述 |
|---|---|
| EBM22DSEN-S243 | CONN EDGECARD 44POS .156 EYELET |
| DC1186A | BOARD SAR ADC LTC2308 |
| MDP-XOMAP3630-10-1024512R | KIT MOBILE DEV ZOOM OMAP36X |
| V24C48E150BL3 | CONVERTER MOD DC/DC 48V 150W |
| EVAL-AD5764REBZ | EVAL BOARD FOR AD5764 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1792 | 功能描述:BOARD DAC LTC2756 RoHS:是 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:QuikEval™, SoftSpan™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| DC1792A | 制造商:Linear Technology 功能描述:EVAL BOARD, LTC2756 18BIT DAC 制造商:Linear Technology 功能描述:EVAL BOARD, LTC2756 18BIT DAC; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2756; Kit Contents:Evaluation Board for LTC2756; Features:SoftSpan IOUT DAC, SPI Interface; Length:29mm |
| DC1796A-A | 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC6360; Kit Application Type:Data Converter; Application Sub Type:ADC; Kit Contents:Board, Guide |
| DC1796A-B | 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC6360; Kit Application Type:Data Converter; Application Sub Type:ADC; Kit Contents:Board, Guide |
| DC1796A-C | 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC6360; Kit Application Type:Data Converter; Application Sub Type:ADC; Kit Contents:Board, Guide |
发布紧急采购，3分钟左右您将得到回复。