参数资料
型号: ADS7818PG4
厂商: Texas Instruments
文件页数: 16/21页
文件大小: 0K
描述: IC 12BIT 500KHZ ADC CONV 8-DIP
产品培训模块: Data Converter Basics
标准包装: 50
位数: 12
采样率(每秒): 500k
数据接口: 串行
转换器数目: 1
功率耗散(最大): 20mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
输入数目和类型: 1 个差分,单极
配用: 296-19913-ND - EVAL MOD FOR ADS7818
4
ADS7818
TYPICAL PERFORMANCE CURVES
At TA = +25°C, VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 fSAMPLE, and internal +2.5V reference, unless otherwise specified.
CHANGE IN INTEGRAL LINEARITY and
DIFFERENTIAL LINEARITY vs SAMPLE RATE
400
100
600
200
300
500
Sample Rate (kHz)
Delta
from
f
SAMPLE
=
500kHz
(LSB)
–0.3
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
Change in Differential
Linearity (LSB)
Change in Integral
Linearity (LSB)
CHANGE IN OFFSET vs TEMPERATURE
20
–40
100
–20
0
40
Temperature (
°C)
Delta
from
25
°C
(LSB)
–0.4
2.0
1.6
1.2
0.8
0.4
0.0
60
80
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
20
–40
100
–20
0
40
Temperature (°C)
Power-down
Supply
Current
(A)
390
470
440
430
420
410
400
450
460
60
80
SUPPLY CURRENT vs TEMPERATURE
20
–40
100
–20
0
40
Temperature (°C)
Supply
Current
(mA)
1.6
2.3
2.1
2.0
1.9
1.8
1.7
2.2
60
80
f
SAMPLE
= 500kHz
f
SAMPLE
= 125kHz
SUPPLY CURRENT vs SAMPLE RATE
400
100
600
200
300
500
Sample Rate (kHz)
Supply
Current
(mA)
1.7
2.4
2.3
2.2
2.1
2.0
1.9
1.8
CHANGE IN FULL-SCALE ERROR
vs TEMPERATURE
20
–40
100
–20
0
40
Temperature (
°C)
Delta
from
25
°C
(LSB)
–10
2
0
–2
–4
–6
–8
60
80
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