参数资料
型号: DC1783A-H
厂商: Linear Technology
文件页数: 22/24页
文件大小: 0K
描述: BOARD SAR ADC LTC2376-18
软件下载: QuikEval II System
设计资源: DC1783A Design Files
DC1783A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 1
位数: 18
采样率(每秒): 250k
数据接口: 串行,SPI?
输入范围: ±VREF
在以下条件下的电源(标准): 3.4mW @ 250kSPS
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2376-18
已供物品:
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LTC2376-18
7
237618f
SNR, SINAD vs Temperature,
fIN = 2kHz
THD, Harmonics vs Temperature,
fIN = 2kHz
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature
Shutdown Current vs Temperature
CMRR vs Input Frequency
Reference Current
vs Reference Voltage
INL/DNL vs Temperature
Full-Scale Error vs Temperature
Offset Error vs Temperature
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
REF = 5V, fSMPL = 250ksps, unless otherwise noted.
FREQUENCY (kHz)
060
40
20
80
100
120
70
CMRR
(dB)
85
80
75
100
95
90
237618 G17
0
REFERENCE
CURRENT
(mA)
0.08
0.06
0.02
0.04
0.18
0.16
0.14
0.12
0.1
237618 G18
REFERENCE VOLTAGE (V)
2.5
3.0
3.5
4.0
4.5
5.0
TEMPERATURE (°C)
SNR,
SINAD
(dBFS)
105.0
237618 G10
100.0
100.5
101.0
101.5
102.0
102.5
103.0
103.5
104.0
104.5
–55 –35 –15
5
25
45
65
85 105 125
SINAD
SNR
TEMPERATURE (°C)
HARMONICS,
THD
(dBFS)
–115
237618 G11
–140
–135
–130
–125
–120
–55 –35 –15
5
25
45
65
85 105 125
THD
2ND
3RD
TEMPERATURE (°C)
INL/DNL
ERROR
(LSB)
1.0
237618 G12
–1.0
–0.5
0
0.5
–55
25
45
65
–35 –15
5
85 105 125
MAX INL
MAX DNL
MIN DNL
MIN INL
TEMPERATURE (°C)
FULL-SCALE
ERROR
(LSB)
8
237618 G13
–8
0
4
2
6
–4
–2
–6
–55 –35
25
45
65
–15
5
85 105 125
–FS
+FS
TEMPERATURE (°C)
POWER
SUPPL
Y
CURRENT
(mA)
1.4
1.2
237618 G15
0
0.2
0.4
0.6
0.8
1.0
–55 –35 –15
5
25
45
65
85 105 125
IVDD
IOVDD
IREF
TEMPERATURE (°C)
OFFSET
ERROR
(LSB)
2.0
1.5
1.0
0.5
237618 G14
–2.0
–1.0
0
–0.5
–1.5
–55 –35 –15
25
5
45
65
85 105 125
TEMPERATURE (°C)
POWER-DOWN
CURRENT
(μA)
45
40
35
30
237618 G16
0
5
10
15
20
25
–55 –35 –15
5
25
45
65
85 105 125
IVDD + IOVDD + IREF
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