參數(shù)資料
型號(hào): AD7658YSTZ-1
廠商: Analog Devices Inc
文件頁數(shù): 7/32頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 6CH 250KSPS 64LQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 6
功率耗散(最大): 143mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
輸入數(shù)目和類型: 6 個(gè)單端,雙極
配用: EVAL-AD7658CBZ-ND - BOARD EVAL FOR AD7658
Data Sheet
AD7656-1/AD7657-1/AD7658-1
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
4000
IN
L
(
LS
B
)
CODE
07017-
010
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
fSAMPLE = 250kSPS
±5V RANGE
Figure 10. AD7658-1 Typical INL
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
4000
DNL
(
L
S
B)
CODE
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
fSAMPLE = 250kSPS
±5V RANGE
07017-
011
Figure 11. AD7658-1 Typical DNL
90
83
10
100
07017-
012
ANALOG INPUT FREQUENCY (kHz)
S
INAD
(
d
B)
89
88
87
86
85
84
fSAMPLE = 250kSPS
TA = 25°C
INTERNAL REFERENCE
±10V RANGE
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
±5V RANGE
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
Figure 12. AD7656-1 SINAD vs. Analog Input Frequency
–80
–115
10
100
07017-
013
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–85
–90
–95
–100
–105
–110
fSAMPLE = 250kSPS
TA = 25°C
INTERNAL REFERENCE
±10V RANGE
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
±5V RANGE
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
Figure 13. AD7656-1 THD vs. Analog Input Frequency
–80
–120
10
100
07017-
014
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–90
–100
–110
VDD/VSS = ±16.5V
AVCC/DVCC/VDRIVE = 5.25V
TA = 25°C
INTERNAL REFERENCE
±4 × VREF RANGE
RSOURCE = 1000
RSOURCE = 220
RSOURCE = 50
RSOURCE = 100
RSOURCE = 10
Figure 14. AD7656-1 THD vs. Analog Input Frequency for Various Source
Impedances, ±4 × VREF Range
–80
–115
10
100
07017-
015
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–85
–90
–95
–100
–105
–110
VDD/VSS = ±12V
AVCC/DVCC/VDRIVE = 5V
TA = 25°C
INTERNAL REFERENCE
±2 × VREF RANGE
RSOURCE = 1000
RSOURCE = 220
RSOURCE = 100
RSOURCE = 50
RSOURCE = 10
Figure 15. AD7656-1 THD vs. Analog Input Frequency for Various Source
Impedances, ±2 × VREF Range
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