参数资料
型号: AD7323BRUZ-REEL7
厂商: Analog Devices Inc
文件页数: 5/37页
文件大小: 0K
描述: IC ADC 12BIT+ SAR 4CHAN 16TSSOP
标准包装: 1,000
位数: 12
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 17mW
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: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-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;2 个差分,单极;2 个差分,双极
配用: EVAL-AD7323CBZ-ND - BOARD EVALUATION FOR AD7323CBZ
AD7323
Data Sheet
Rev. B | Page 12 of 36
8k
0
–3
CODE
NUM
BE
R
O
F
O
C
CURRE
NCE
S
7k
6k
5k
4k
3k
2k
1k
–2
–1
0
1
2
3
VCC = 5V
VDD/VSS = ±12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
023
1201
7600
1165
11
0
05
40
0-
01
4
Figure 16. Histogram of Codes, Single-Ended Mode
–50
–100
0
RIPPLE FREQUENCY (kHz)
CM
RR
(
d
B)
–55
–60
–65
–70
–75
–80
–85
–90
–95
200
400
600
800
1000
1200
DIFFERENTIAL MODE
fIN = 50kHz
VDD/VSS = ±12V
fS = 500kSPS
TA = 25°C
VCC = 5V
VCC = 3V
0
54
00
-05
5
Figure 17. CMRR vs. Common-Mode Ripple Frequency
2.0
–2.0
±VDD/VSS SUPPLY VOLTAGE (V)
DN
L
E
R
RO
R
(
L
S
B
)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
57
9
11
13
15
17
19
±5V RANGE
VCC =VDRIVE =5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
DNL = 500kSPS
05400-
049
Figure 18. DNL Error vs. Supply Voltage at 500 kSPS
2.0
–2.0
±VDD/VSS SUPPLY VOLTAGE (V)
IN
L
ER
R
O
R
(L
SB
)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
57
9
11
13
15
17
19
±5V RANGE
VCC =VDRIVE =5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
INL = 500kSPS
05400-
050
Figure 19. INL Error vs. Supply Voltage at 500 kSPS
–50
–100
0
1200
SUPPLY RIPPLE FREQUENCY (kHz)
PS
R
(
d
B)
–55
–60
–65
–70
–75
–80
–85
–90
–95
200
400
600
800
1000
100mV p-p SINE WAVE ON EACH SUPPLY
NO DECOUPLING
SINGLE-ENDED MODE
fS = 500kSPS
VCC =5V
VCC =3V
VDD = 12V
VSS =–12V
054
00-
0
54
Figure 20. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–50
–100
10
1000
INPUT FREQUENCY (kHz)
T
H
D
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
VCC =VDRIVE =5V
VDD/VSS = ±12V
TA =25°C
INTERNAL REF
RANGE = ±10V AND ±2.5V
fS = 500kSPS
DIFFERENTIAL MODE
±10V RANGE
RIN =4000
RIN =3000
RIN =2000
RIN =1000
RIN =100
RIN =12
±2.5V RANGE
RIN = 9000
RIN = 5500
RIN = 2000
RIN = 100
RIN =12
0
5400-
064
Figure 21. THD vs. Analog Input Frequency for Various Source Impedances,
True Differential Mode
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