参数资料
型号: AD7328BRUZ-REEL
厂商: Analog Devices Inc
文件页数: 3/37页
文件大小: 0K
描述: IC ADC 12BIT+SAR 8CHAN 20-TSSOP
设计资源: Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047)
标准包装: 2,500
系列: iCMOS®
位数: 12
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 30mW
电压电源: 双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
AD7328
Data Sheet
Rev. C | Page 10 of 36
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
±2.5V SE
±2.5V DIFF
±5V DIFF
±5V SE
±10V SE
±10V DIFF
0V TO +10V SE
VCC =5V
VDD/VSS =±12V
TA = 25°C
fS =1MSPS
0V TO +10V DIFF
04852-
008
Figure 10. THD vs. Analog Input Frequency for Single-Ended (SE) and True
Differential Mode (Diff) at 5 V VCC
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
VCC =3V
VDD/VSS =±12V
TA = 25°C
fS =1MSPS
±2.5V SE
±2.5V DIFF
±5V DIFF
±5V SE
±10V DIFF
0V TO +10V SE
±10V SE
0V TO +10V DIFF
04852-
009
Figure 11. THD 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)
S
INAD
(
d
B)
100
75
70
65
60
55
VCC =5V
VDD/VSS = ±12V
TA = 25°C
fS = 1MSPS
±2.5V SE
±2.5V DIFF
±5V DIFF
±10V DIFF
±5V SE
0V TO +10V SE
±10V SE
0V TO +10V DIFF
04852-
010
Figure 12. SINAD vs. Analog Input Frequency for Single-Ended (SE) and
Differential Mode (Diff) at 5 V VCC
80
50
10
1000
ANALOG INPUT FREQUENCY (kHz)
S
INAD
(
d
B)
100
75
70
65
60
55
VCC =3V
VDD/VSS = ±12V
TA = 25°C
fS = 1MSPS
±2.5V SE
±2.5V DIFF
±5V DIFF
±10V DIFF
0V TO +10V SE
±10V SE
±5V SE
0V TO +10V DIFF
04852-
0
1
Figure 13. SINAD vs. Analog Input Frequency for Single-Ended (SE) and
Differential Mode (Diff) at 3 V VCC
–50
–95
0
600
04852-
012
FREQUENCY OF INPUT NOISE (kHz)
CHANNE
L
-T
O
-CHANNE
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 =1MSPS
TA = 25°C
50kHz ON SELECTED CHANNEL
VCC =3V
VCC =5V
Figure 14. Channel-to-Channel Isolation
10k
0
–2
CODE
NUM
BE
R
O
F
O
CCURRE
NCE
S
9k
8k
7k
6k
5k
4k
3k
2k
1k
–1
012
0
228
9469
303
0
VCC =5V
VDD/VSS = ±12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
04852-
013
Figure 15. Histogram of Codes, True Differential Mode
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