参数资料
型号: AD7367BRUZ-RL7
厂商: Analog Devices Inc
文件页数: 5/29页
文件大小: 0K
描述: IC ADC 14BIT SAR 1MSPS 24TSSOP
设计资源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
标准包装: 1,000
位数: 14
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 2
功率耗散(最大): 88.8mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;4 个单端,双极
AD7366/AD7367
Rev. D | Page 12 of 28
–70
–85
–80
–75
–90
–95
–100
–105
–110
0
100
200
300
400
500
600
CHANNE
L
-T
O
-CHANNE
L
I
S
O
L
AT
IO
N
(
d
B)
FREQUENCY OF INPUT NOISE (kHz)
AVCC = 5V, DVCC = 5V
VDD = 15V, VSS = –15V
VDRIVE = 3V
fS = 1MSPS
INTERNAL REFERENCE
0V TO 10V RANGE
±5V RANGE
±10V RANGE
06703-
009
Figure 9. Channel-to-Channel Isolation
31 CODES
344 CODES
8191
8192
8193
8196
8195
8194
CODE
06703-
010
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
106091 CODES
Figure 10. Histogram of Codes for 200k Samples
–70
–80
–90
–100
–110
–120
0
200
400
1200
1000
800
600
P
S
RR
(
d
B)
SUPPLY RIPPLE FREQUENCY (kHz)
VCC, ADC A
VDD, ADC B
VDD, ADC A
VCC, ADC B
100mV p-p SINE WAVE ON AVCC
NO DECOUPLING CAPACITOR
VDD = 15V, VSS = –15V
VDRIVE = 3V
fS = 1MSPS
VSS, ADC A
06703-
011
VSS, ADC B
Figure 11. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
80
60
40
20
0
–20
–40
100
200
300
400
500
600
700
800
900
1000
ANAL
O
G
I
NP
UT
CURRE
NT
(
A)
THROUGHPUT RATE (kSPS)
VIN = 0V TO 10V
VIN = +5V
VIN = +10V
VIN = –5V
VIN = –10V
AVCC = 5V, DVCC = 5V
VDD = 15V, VSS = –15V
VDRIVE = 3V
fS = 1MSPS
INTERNAL REFERENCE
06703-
012
Figure 12. Analog Input Current vs. Throughput Rate
2.5050
2.5025
2.5030
2.5035
2.5040
2.5045
2.5020
2.5015
2.5010
2.5005
2.5000
0
10
20
30
40
50
60
70
80
V
RE
F
(V)
CURRENT LOAD (A)
AVCC = 5V, DVCC = 5V
VDD = 15V, VSS = –15V
VDRIVE = 3V
06703-
013
Figure 13. VREF vs. Reference Output Current Drive
0.250
0.300
0.200
0.150
0.100
0.50
0
500
1000
1500
2000
2500
V
O
UT
O
R
V
CC
V
O
UT
(V)
CURRENT (A)
06703-
014
SINK CURRENT
SOURCE CURRENT
AVCC = 5V, DVCC = 5V
VDD = 15V, VSS = –15V
VDRIVE = 3V, fS = 1MSPS
INTERNAL REFERENCE
Figure 14. DOUT Source Current vs. (VCC VOUT ) and DOUT Sink Current vs. VOUT
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