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参数资料
| 型号： | AD7329BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/41页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT+SAR 8CHAN 24-TSSOP |
| 标准包装： | 1,000 |
| 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： | 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： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
| 配用： | EVAL-AD7329CBZ-ND - BOARD EVALUATION FOR AD7329CBZ |
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Data Sheet
AD7329
Rev. B | Page 13 of 40
8k
0
–3
CODE
NUM
BE
R
O
F
O
CCURRE
NCE
S
7k
6k
5k
4k
3k
2k
1k
–2
–1
0
1
2
3
VCC = 5V
VDD = 12V, VSS = –12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
0
23
1201
7600
1165
11
0
05402-
016
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 = 12V, VSS = –12V
fS = 1MSPS
TA = 25°C
VCC = 5V
VCC = 3V
05402-
017
Figure 17. CMRR vs. Common-Mode Ripple Frequency
2.0
–2.0
SUPPLY VOLTAGE (V) (VDD = +, VSS = –)
DN
L
E
RRO
R
(
L
S
B)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
±5
±7
±9
±11
±13
±15
±17
±19
±5V RANGE
VCC = VDRIVE = 5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
AD8021 BETWEEN MUXOUT+
AND ADCIN+ PINS
DNL = 500kSPS
DNL = 1MSPS
05402-
018
Figure 18. DNL Error vs. Supply Voltage at 500 kSPS and 1 MSPS
2.0
–2.0
SUPPLY VOLTAGE (V) (VDD = +, VSS = –)
IN
L
E
RRO
R
(
L
S
B)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
±5
±7
±9
±11
±13
±15
±17
±19
±5V RANGE
VCC = VDRIVE = 5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
AD8021 BETWEEN MUXOUT+
AND ADCIN+ PINS
INL = 1MSPS
INL = 500kSPS
05402-
019
Figure 19. INL Error vs. Supply Voltage at 500 kSPS and 1 MSPS
–50
–100
0
1200
SUPPLY RIPPLE FREQUENCY (kHz)
P
S
RR
(
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 = 1MSPS
VCC = 5V
VCC = 3V
VDD = 12V
VSS = –12V
05402-
020
Figure 20. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–50
–100
10
1000
05402-
021
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
DIFFERENTIAL MODE
VDD = 12V, VSS = –12V
VCC = VDRIVE = 5V
INTERNAL REFERENCE
AD8021 BETWEEN MUXOUT
AND ADCIN PINS
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
RIN = 2000
RIN = 1000
RIN = 600
RIN = 100
RIN = 50
±10V RANGE
RIN = 4000
RIN = 1000
RIN = 600
RIN = 100
RIN = 50
±2.5V RANGE
Figure 21. THD vs. Analog Input Frequency for Various Source Impedances,
True Differential Mode
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