參數(shù)資料
型號: AD7327BRUZ
廠商: Analog Devices Inc
文件頁數(shù): 4/37頁
文件大小: 0K
描述: IC ADC 12BIT+ SAR 8CHAN 20TSSOP
標(biāo)準(zhǔn)包裝: 75
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17mW
電壓電源: 雙 ±
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸入數(shù)目和類型: 8 個單端,單極;8 個單端,雙極;4 個差分,單極;4 個差分,雙極
產(chǎn)品目錄頁面: 777 (CN2011-ZH PDF)
配用: EVAL-AD7327CBZ-ND - BOARD EVALUATION FOR AD7327
Data Sheet
AD7327
Rev. B | Page 11 of 36
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
TH
D
(
dB
)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
0
5401-
060
0V TO +10V SE
0V TO +10V DIFF
±10V DIFF
±10V SE
±2.5V SE
±2.5V DIFF
±5V DIFF
±5V SE
VCC =VDRIVE =3V
VDD/VSS = ±12V
TA =25°C
fS = 500kSPS
INTERNAL REFERENCE
Figure 10. THD vs. Analog Input Frequency
for Single-Ended (SE) and True Differential Mode (Diff) at 3 V VCC
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
T
H
D
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
0
5401-
061
VCC =VDRIVE =5V
VDD/VSS =±12V
TA = 25°C
fS = 500kSPS
INTERNAL REFERENCE
0V TO +10V SE
±10V SE
±10V DIFF
0V TO +10V DIFF
±5V SE
±5V DIFF
±2.5V SE
±2.5V DIFF
Figure 11. THD vs. Analog Input Frequency
for Single-Ended (SE) and True Differential Mode (Diff) at 5 V VCC
80
50
10
1000
ANALOG INPUT FREQUENCY (kHz)
SI
NA
D
(
d
B)
100
75
70
65
60
55
0
5401-
062
VCC =VDRIVE =3V
VDD/VSS =±12V
TA = 25°C
fS = 500kSPS
INTERNAL REFERENCE
±5V DIFF
±2.5V DIFF
±5V SE
±2.5V SE
0V TO +10V DIFF
±10V DIFF
±10V SE
0V TO +10V SE
Figure 12. SINAD vs. Analog Input Frequency
for Single-Ended (SE) and True Differential Mode (Diff) at 3 V VCC
80
50
10
1000
ANALOG INPUT FREQUENCY (kHz)
SI
NA
D
(
d
B)
100
75
70
65
60
55
0
5401-
063
VCC =VDRIVE =5V
VDD/VSS =±12V
TA = 25°C
fS = 500kSPS
INTERNAL REFERENCE
±10V SE
0V TO +10V SE
±10V DIFF
±2.5V SE
±5V SE
±2.5V DIFF
±5V DIFF
0V TO +10V DIFF
Figure 13. SINAD vs. Analog Input Frequency
for Single-Ended (SE) and True Differential Mode (Diff) at 5 V VCC
–50
–95
0
600
FREQUENCY OF INPUT NOISE (kHz)
CH
ANN
E
L
-T
O
-C
HA
NN
E
L
I
S
O
L
A
T
IO
N
(d
B) –55
–60
–65
–70
–75
–80
–85
–90
100
200
300
400
500
VDD/VSS =±12V
SINGLE-ENDED MODE
fS = 500kSPS
TA =25°C
50kHz ON SELECTED CHANNEL
VCC =3V
VCC =5V
0
5401-
012
Figure 14. Channel-to-Channel Isolation
10k
0
–2
CODE
NU
M
B
E
R
O
F
O
CCU
RR
E
N
CES
9k
8k
7k
6k
5k
4k
3k
2k
1k
–1
0
1
2
0
228
9469
303
0
VCC =5V
VDD/VSS =±12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
0
5401-
013
Figure 15. Histogram of Codes, True Differential Mode
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