参数资料
型号: LTC2480IDD#TRPBF
厂商: Linear Technology
文件页数: 25/42页
文件大小: 0K
描述: IC ADC 16BIT 10-DFN
标准包装: 2,500
位数: 16
采样率(每秒): 7.5
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,双极;1 个差分,双极
配用: DC798B-ND - BOARD DELTA SIGMA ADC LTC2480
LTC2480
2480fd
applicaTions inForMaTion
VREF translates into about 2.18 10–6 fEOSCppm addi-
tional INL error. Figure 19 shows the typical INL error due
to the source resistance driving the VREF pin when large
CREF values are used. The user is advised to minimize the
source impedance driving the VREF pin.
In applications where the reference and input common
mode voltages are different, extra errors are introduced.
For every 1V of the reference and input common mode
voltage difference (VREFCM – VINCM) and a 5V reference,
each Ohm of reference source resistance introduces an
extra (VREFCM – VINCM)/(VREF REQ) full-scale gain error,
whichis0.074ppmwhenusinginternaloscillatorand60Hz
mode.Whenusinginternaloscillatorand50Hz/60Hzmode,
the extra full-scale gain error is 0.067ppm. When using
RSOURCE ()
0
+FS
ERROR
(ppm)
50
70
90
10k
2480 F15
30
10
40
60
80
20
0
–10
10
100
1k
100k
VCC = 5V
VREF = 5V
VIN+ = 3.75V
VIN– = 1.25V
FO = GND
TA = 25°C
CREF = 0.01F
CREF = 0.001F
CREF = 100pF
CREF = 0pF
Figure 15. +FS Error vs RSOURCE at VREF (Small CREF)
Figure 16. –FS Error vs RSOURCE at VREF (Small CREF)
Figure 17. +FS Error vs RSOURCE at VREF (Large CREF)
RSOURCE ()
0
–FS
ERROR
(ppm) –30
–10
10
10k
2480 F16
–50
–70
–40
–20
0
–60
–80
–90
10
100
1k
100k
VCC = 5V
VREF = 5V
VIN+ = 1.25V
VIN– = 3.75V
FO = GND
TA = 25°C
CREF = 0.01F
CREF = 0.001F
CREF = 100pF
CREF = 0pF
RSOURCE ()
0
+FS
ERROR
(ppm) 300
400
500
800
2480 F17
200
100
0
200
400
600
1000
VCC = 5V
VREF = 5V
VIN+ = 3.75V
VIN– = 1.25V
FO = GND
TA = 25°C
CREF = 1F, 10F
CREF = 0.1F
CREF = 0.01F
Figure 18. –FS Error vs RSOURCE at VREF (Large CREF)
Figure 19. INL vs Differential Input Voltage and
Reference Source Resistance for CREF > 1F
RSOURCE ()
0
–FS
ERROR
(ppm) –200
–100
0
800
2480 F18
–300
–400
–500
200
400
600
1000
VCC = 5V
VREF = 5V
VIN+ = 1.25V
VIN– = 3.75V
FO = GND
TA = 25°C
CREF = 1F, 10F
CREF = 0.1F
CREF = 0.01F
VIN/VREF (V)
–0.5
INL
(ppm
OF
V
REF
)
2
6
10
0.3
2480 F19
–2
–6
0
4
8
–4
–8
–10
–0.3
–0.1
0.1
0.5
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
TA = 25°C
CREF = 10F
R = 1k
R = 100
R = 500
相关PDF资料
PDF描述
MAX98300EWL+T IC AMP MONO CLASS D 2A 9WLP
MAX3227CDB IC RS232 3V5.5V 15KVESD 16-SSOP
LTC2481IDD#TRPBF IC ADC 16BIT I2C 10-DFN
MAX98300ETA+T IC AMP MONO CLASS D 2A 8TDFN
D38999/20JB98SALC CONN HSG RCPT 6POS WALL MT SCKT
相关代理商/技术参数
参数描述
LTC2480IMS#PBF 功能描述:IC ADC 16BIT 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率(每秒):15 数据接口:MICROWIRE?,串行,SPI? 转换器数目:1 功率耗散(最大):480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN(5x7) 包装:带卷 (TR) 输入数目和类型:16 个单端,双极;8 个差分,双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC2480IMS#TRPBF 功能描述:IC ADC 16BIT 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率(每秒):15 数据接口:MICROWIRE?,串行,SPI? 转换器数目:1 功率耗散(最大):480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN(5x7) 包装:带卷 (TR) 输入数目和类型:16 个单端,双极;8 个差分,双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC2481CDD#PBF 功能描述:IC ADC 16BIT I2C 10-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
LTC2481CDD#TRPBF 功能描述:IC ADC 16BIT I2C 10-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率(每秒):15 数据接口:MICROWIRE?,串行,SPI? 转换器数目:1 功率耗散(最大):480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN(5x7) 包装:带卷 (TR) 输入数目和类型:16 个单端,双极;8 个差分,双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC2481HDD#PBF 功能描述:IC ADC 16BIT I2C 7.5SPS 10DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率(每秒):15 数据接口:MICROWIRE?,串行,SPI? 转换器数目:1 功率耗散(最大):480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN(5x7) 包装:带卷 (TR) 输入数目和类型:16 个单端,双极;8 个差分,双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494