- 您現在的位置：買賣IC網 > PDF目錄373913 > AD7675ASTRL (ANALOG DEVICES INC) 16-Bit, 100 kSPS, Differential ADC PDF資料下載
參數資料
| 型號： | AD7675ASTRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, 100 kSPS, Differential ADC |
| 中文描述： | 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48 |
| 封裝： | 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁數： | 11/20頁 |
| 文件大小： | 399K |
| 代理商： | AD7675ASTRL |
REV. 0
AD7675
–
11
–
TYPICAL CONNECTION DIAGRAM
Figure 5 shows a typical connection diagram for the AD7675.
Different circuitry shown on this diagram are optional and are
discussed below.
Analog Inputs
Figure 6 shows a simplified analog input section of the AD7675.
IN+
IN
–
AGND
AVDD
R+ = 684
C
S
C
S
R
–
= 684
Figure 6. AD7675 Simplified Analog Input
The diodes shown in Figure 6 provide ESD protection for the
inputs. Care must be taken to ensure that the analog input sig-
nal never exceeds the absolute ratings on these inputs. This will
cause these diodes to become forward-biased and start conducting
current. These diodes can handle a forward-biased current of
120 mA maximum. This condition could eventually occur when
the input buffer’s (U1) or (U2) supplies are different from
AVDD. In such case, an input buffer with a short-circuit cur-
rent limitation can be used to protect the part.
This analog input structure is a true differential structure. By
using these differential inputs, signals common to both inputs
are rejected, as shown in Figure 7, which represents the typical
CMRR over frequency.
FREQUENCY
–
Hz
C
–
45
75
10k
10M
1k
1M
80
65
100k
55
85
70
60
50
40
Figure 7. Analog Input CMRR vs. Frequency
AVDD
AGND
DGND
DVDD
OVDD
OGND
SER/
PAR
CNVST
BUSY
SDOUT
SCLK
RD
CS
RESET
PD
REFGND
C
REF
2.5V REF
NOTE 1
REF
100
D
CLOCK
AD7675
C/ P/DSP
SERIAL PORT
DIGITAL SUPPLY
(3.3V OR 5V)
ANALOG
SUPPLY
(5V)
DVDD
OB/
2C
NOTE 7
BYTESWAP
DVDD
50k
100nF
1M
IN+
ANALOG INPUT+
C
C
2.7nF
U1
+
NOTE 4
NOTE 5
50
AD8021
–
15
NOTE 2
NOTE 3
NOTE 5
ADR421
10 F
100nF
+
10 F
100nF
+
100nF
+
10 F
IN
–
ANALOG INPUT
–
C
C
2.7nF
U2
+
NOTE 4
NOTE 5
50
AD8021
–
15
50
+
1 F
NOTES
1. SEE VOLTAGE REFERENCE INPUT SECTION.
2. WITH THE RECOMMENDED VOLTAGE REFERENCES, C
IS 47 F. SEE CHAPTER VOLTAGE REFERENCE INPUT SECTION
3. OPTIONAL CIRCUITRY FOR HARDWARE GAIN CALIBRATION.
4. THE AD8021 IS RECOMMENDED. SEE DRIVER AMPLIFIER CHOICE SECTION.
5. SEE ANALOG INPUT SECTION.
6. OPTION, SEE POWER SUPPLY SECTION
7. OPTIONAL LOW JITTER
CNVST
, SEE CONVERSION CONTROL SECTION.
Figure 5. Typical Connection Diagram. (
±
2.5 V Range Shown)
相關PDF資料 |
PDF描述 |
|---|---|
| AD7676 | 16-Bit +-1 LSB INL, 500 kSPS, Differential ADC |
| AD7676AST | 16-Bit +-1 LSB INL, 500 kSPS, Differential ADC |
| AD7676ASTRL | 16-Bit +-1 LSB INL, 500 kSPS, Differential ADC |
| AD7677 | 16-Bit, 1 LSB INL, 1 MSPS Differential ADC |
| AD7677AST | 16-Bit, 1 LSB INL, 1 MSPS Differential ADC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7675ASTZ | 功能描述:IC ADC 16BIT DIFF INP 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 其它有關文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數:12 采樣率（每秒）:20M 數據接口:并聯 轉換器數目:2 功率耗散（最大）:155mW 電壓電源:模擬和數字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商設備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數目和類型:4 個單端，單極；2 個差分，單極 產品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7675ASTZRL | 功能描述:IC ADC 16BIT DIFF INP 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7676 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit +-1 LSB INL, 500 kSPS, Differential ADC |
| AD7676ACP | 制造商:Analog Devices 功能描述:ADC SGL SAR 500KSPS 16BIT PARALLEL/SERL 48LFCSP - Trays |
| AD7676ACPRL | 制造商:Analog Devices 功能描述:ADC Single SAR 500ksps 16-bit Parallel/Serial 48-Pin LFCSP EP T/R |
發布緊急采購，3分鐘左右您將得到回復。