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參數(shù)資料
| 型號(hào)： | AD7264BSTZ-5-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 5/29頁(yè) |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 2CH 500KSPS 48LQFP |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 位數(shù)： | 14 |
| 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： | 2 |
| 功率耗散（最大）： | 175mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | * |
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AD7264
Data Sheet
Rev. B | Page 12 of 28
–90
–88
–86
–84
–82
–78
–76
–74
–72
–80
–70
1
2
3
4
6
8
12
16
24
32
48
64
96 128
06732-
018
GAIN
CM
R
(
d
B)
AVCC = 5V
VDRIVE = 5V
fS = 1MSPS
INTERNAL REFERENCE
fRIPPLE = 50kHz
Figure 17. Common-Mode Rejection vs. Gain
–80
–79
–78
–77
–76
–75
–74
–73
–72
–71
–70
0
20
40
60
80
100
120
140
160
180
200
06732-
019
RIPPLE FREQUENCY (kHz)
CM
R
(
d
B)
AVCC = 5V
VDRIVE = 5V
fS = 1MSPS
VRIPPLE = 700mV p-p
GAIN = 2
INTERNAL REFERENCE
Figure 18. Common-Mode Rejection vs. Common-Mode Ripple Frequency
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.5
3.7
G = 2
G = 3
G = 12
G = 24
G ≥ 32
G = 8
G = 16
06732-
020
VCM RANGE (V)
T
HD
(
d
B)
AVCC = 5V
VDRIVE = 5V
fS = 1MSPS
fIN = 100kHz
INTERNAL REFERENCE
G = 1
G = 4
G = 6
Figure 19. THD vs. Common-Mode Voltage Range for Various
PGA Gain Settings
06732-
021
OVERDRIVE VOLTAGE (mV)
P
RO
P
AG
AT
IO
N
DE
L
AY
(
s)
0
1
2
3
4
5
6
7
8
9
10
0
10
20
30
40
50
60
70
80
90
100
L TO H, CA_CBVCC = 4.5V
L TO H, CA_CBVCC = 5V
H TO L, CA_CBVCC = 3.6V
H TO L, CA_CBVCC = 4.5V
H TO L, CA_CBVCC = 5V
H TO L, CA_CBVCC = 2.7V
L TO H, CA_CBVCC = 3.6V
L TO H, CA_CBVCC = 2.7V
AVCC = 5V
VDRIVE = 3.3V
TA = 25°C
Figure 20. Propagation Delay for Comparator A and Comparator B
vs. Overdrive Voltage for Various Supply Voltages
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
06732-
022
OVERDRIVE VOLTAGE (mV)
P
RO
P
AG
AT
IO
N
DE
L
AY
(
s)
0
10
20
30
40
50
60
70
80
90
100
H TO L, CC_CDVCC = 4.5V
H TO L, CC_CDVCC = 5V
L TO H, CC_CDVCC = 3.6V
L TO H, CC_CDVCC = 4.5V
L TO H, CC_CDVCC = 5V
L TO H, CC_CDVCC = 2.7V
H TO L, CC_CDVCC = 3.6V
H TO L, CC_CDVCC = 2.7V
AVCC = 5V
VDRIVE = 3.3V
TA = 25°C
Figure 21. Propagation Delay for Comparator C and Comparator D
vs. Overdrive Voltage for Various Supply Voltages
06732-
036
SUPPLY RIPPLE FREQUENCY (kHz)
P
S
RR
(
d
B)
–120
–115
–110
–105
–100
–95
–90
–85
–80
–75
0
200
400
600
800
1000
–70
VDRIVE = 5V
GAIN = 2
TA = 25°C
INTERNAL REFERENCE
100mV p-p SINE WAVE ON AVCC
AVCC DECOUPLED WITH
10F AND 100nF CAPACITORS
Figure 22. Power Supply Rejection Ratio
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| AD7264BSTZ-RL7 | 功能描述:IC ADC 14BIT 2CH 1MSPS 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
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