参数资料
型号: AD7656YSTZ
厂商: Analog Devices Inc
文件页数: 7/32页
文件大小: 0K
描述: IC ADC 16BIT 6CH 250KSPS 64LQFP
标准包装: 1
位数: 16
采样率(每秒): 250k
数据接口: 串行,并联
转换器数目: 6
功率耗散(最大): 143mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
输入数目和类型: 6 个单端,双极
配用: EVAL-AD7656-1EDZ-ND - BOARD EVAL CONTROL AD7656-1
EVAL-AD7656-1CBZ-ND - BOARD EVAL FOR AD7656-1
EVAL-AD7656CBZ-ND - BOARD EVAL FOR AD7656
Data Sheet
AD7656/AD7657/AD7658
Rev. D | Page 15 of 32
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500
1000
1500
2000
2500
3000
3500
4095
05020-
033
IN
L
(
LS
B
)
CODE
AVCC/DVCC/VDRIVE = +5V
VDD/VSS = ±12V
fSAMPLE = 250kSPS
2 × VREF RANGE
Figure 10. AD7658 Typical INL
05020-
032
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500
1000
1500
2000
2500
3000
3500
4095
DNL
(
L
S
B)
CODE
AVCC/DVCC/VDRIVE = +5V
VDD/VSS = ±12V
fSAMPLE = 250kSPS
2 × VREF RANGE
Figure 11. AD7658 Typical DNL
90
60
10
1000
05020-
023
ANALOG INPUT FREQUENCY (kHz)
S
INAD
(
d
B)
100
85
80
75
70
65
AVCC/DVCC/VDRIVE = +5.25V
VDD/VSS = ±16.5V
±10V RANGE
AVCC/DVCC/
VDRIVE = +5V
VDD/VSS = ±12V
±5V RANGE
AVCC/DVCC/
VDRIVE = +5V
VDD/VSS = ±5.25V
±5V RANGE
AVCC/DVCC/
VDRIVE = +4.75 V
VDD/VSS = ±10V
±10V RANGE
fSAMPLE = 250kSPS
INTERNAL REFERENCE
TA = 25°C
Figure 12. AD7656 SINAD vs. Input Frequency
–60
–120
10
1000
05020-
022
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
100
–70
–80
–90
–100
–110
AVCC/DVCC/
VDRIVE = +5V
VDD/VSS = ±12V
±5V RANGE
AVCC/DVCC/
VDRIVE = +5.25V
VDD/VSS = ±16.5V
±10V RANGE
fSAMPLE = 250kSPS
INTERNAL REFERENCE
TA = 25°C
AVCC/DVCC/VDRIVE = +5V
VDD/VSS = ±5.25V
±5V RANGE
AVCC/DVCC/
VDRIVE = +4.75V
VDD/VSS = ±10V
±10V RANGE
Figure 13. AD7656 THD vs. Input Frequency
–60
–120
10
100
05020-
026
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–70
–80
–90
–100
–110
VDD/VSS = ±16.5V
AVCC/DVCC/VDRIVE = +5.25V
TA = 25°C
INTERNAL REFERENCE
±4 × VREF RANGE
RSOURCE = 1000
RSOURCE = 10
RSOURCE = 100
RSOURCE = 50
RSOURCE = 220
Figure 14. AD7656 THD vs. Input Frequency for Various Source Impedances,
±4 × VREF Range
–40
–120
10
100
05020-
027
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–50
–60
–70
–80
–90
–100
–110
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = +5V
TA = 25°C
INTERNAL REFERENCE
±2 × VREF RANGE
RSOURCE = 1000
RSOURCE = 100
RSOURCE = 50
RSOURCE = 220
RSOURCE = 10
Figure 15. AD7656 THD vs. Input Frequency for Various Source Impedances,
±2 × VREF Range
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