参数资料
型号: AD7877ACBZ-REEL
厂商: Analog Devices Inc
文件页数: 2/45页
文件大小: 0K
描述: IC CTRLR TOUCH SCREEN 25-WLCSP
标准包装: 10,000
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1 TSC
分辨率(位): 12 b
评估套件: 可供
数据接口: 串行,SPI?
数据速率/采样率 (SPS,BPS): 125k
电压基准: 外部,内部
电源电压: 2.7 V ~ 5.25 V
电流 - 电源: 1µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 25-UFBGA,WLCSP
供应商设备封装: 25-WLCSP
包装: 带卷 (TR)
配用: EVAL-AD7877EBZ-ND - BOARD EVALUATION FOR AD7877
Data Sheet
AD7877
Rev. D | Page 9 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VCC = 2.7 V, VREF = 2.5 V, fSAMPLE = 125 kHz, fDCLK = 16 × fSAMPLE = 2 MHz, unless otherwise noted.
800
700
600
500
–50
–30
–10
0
30
50
70
90
03796-030
TEMPERATURE (
°C)
CURRENT
(
A)
ADC AND REF
ADC, REF, AND DAC
Figure 6. Supply Current vs. Temperature
1000
400
500
600
700
800
900
2.0
2.3
2.6
2.9
3.2
3.5
3.8
4.1
4.4
4.7
5.0
03796-031
VCC (V)
CURRENT
(
A)
ADC AND REF
ADC, REF, AND DAC
Figure 7. Supply Current vs. VCC
0.6
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
–50
–30
–10
10
30
50
70
90
03796-039
TEMPERATURE (
°C)
DELTA
FROM
25
°C
(LSB)
Figure 8. Change in ADC Gain vs. Temperature
200
80
100
120
140
160
180
–50
–30
–10
10
30
50
70
90
03796-032
TEMPERATURE (
°C)
CURRENT
(nA)
Figure 9. Full Power-Down IDD vs. Temperature
0.6
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
–50
–30
–10
10
30
50
70
90
03796-040
TEMPERATURE (
°C)
DELTA
FROM
25
°C
(LSB)
Figure 10. Change in ADC Offset vs. Temperature
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
500
1000
1500
2000
2500
3000
3500
4000
03796-044
CODE
INL
(LSB)
Figure 11. ACD INL Plot
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