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參數(shù)資料
| 型號(hào)： | ADS7808PB |
| 英文描述： | 12-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER |
| 中文描述： | 12位10ms的串行CMOS采樣模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 251K |
| 代理商： | ADS7808PB |
3
ADS7808
DIGITAL OUTPUTS
Data Format
Data Coding
Pipeline Delay
Data Clock
Internal
(Output Only When
Transmitting Data)
External
(Can Run Continually)
V
OL
V
Leakage Current
EXT/INT LOW
2.3
6
MHz
EXT/INT HIGH
0.1
10
6
6
MHz
I
SINK
= 1.6mA
I
SOURCE
= 500
μ
A
V
OUT
= 0V to V
DIG
High-Z State
+0.4
6
V
V
μ
A
+4
6
±
5
6
Output Capacitance
15
15
pF
POWER SUPPLIES
Specified Performance
V
DIG
V
ANA
I
DIG
I
ANA
Power Dissipation: PWRD LOW
Must be
≤
V
ANA
+4.75
+4.75
+5
0.3
16
+5
+5.25
6
6
*
*
*
*
*
*
V
V
+5.25
mA
mA
*
V
DIG
= V
ANA
= 5V, f
S
= 100kHz
100
mW
μ
W
PWRD HIGH
50
*
TEMPERATURE RANGE
Specified Performance
Derated Performance
Storage
Thermal Resistance (
θ
JA
)
Plastic DIP
SOIC
–40
–55
–65
+85
+125
+150
*
*
*
*
*
*
°
C
°
C
°
C
75
75
*
*
°
C/W
°
CW
NOTES: (1) LSB means Least Significant Bit. For the
±
10V input range, one LSB is 4.88mV. (2) Typical rms noise at worst case transitions and temperatures. (3)
As measured with fixed resistors in Figure 4. Adjustable to zero with external potentiometer. (4) For bipolar input ranges, full scale error is the worst case of –Full
Scale or +Full Scale untrimmed deviation from ideal first and last code transitions, divided by the transition voltage (not divided by the full-scale range) and includes
the effect of offset error. For unipolar input ranges, full scale error is the deviation of the last code transition divided by the transition voltage. It also includes the
effect of offset error. (5) All specifications in dB are referred to a full-scale
±
10V input. (6) Full-Power Bandwidth defined as Full-Scale input frequency at which Signal-
to (Noise + Distortion) degrades to 60dB. (7) Recovers to specified performance after 2 x FS input overvoltage.
ELECTROSTATIC
DISCHARGE SENSITIVITY
Electrostatic discharge can cause damage ranging from per-
formance degradation to complete device failure. Burr-Brown
Corporation recommends that this integrated circuit be handled
and stored using appropriate ESD protection methods.
SPECIFICATIONS
(CONT)
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 100kHz, V
DIG
= V
ANA
= +5V, using internal reference and fixed resistors shown in Figure 4, unless otherwise specified.
ADS7808P/U
ADS7808PB/UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Analog Inputs: R1
IN
..........................................................................
±
25V
R2
IN
..........................................................................
±
25V
R3
IN
..........................................................................
±
25V
CAP .....................................V
+0.3V to AGND2 –0.3V
REF ....................................... Indefinite Short to AGND2,
Momentary Short to V
ANA
Ground Voltage Differences: DGND, AGND2 .................................
±
0.3V
V
ANA
...................................................................................................... 7V
V
DIG
to V
....................................................................................... +0.3
V
DIG
....................................................................................................... 7V
Digital Inputs ............................................................. –0.3V to V
DIG
+0.3V
Maximum Junction Temperature .................................................. +165
°
C
Internal Power Dissipation ............................................................ 700mW
Lead Temperature (soldering, 10s) .............................................. +300
°
C
ABSOLUTE MAXIMUM RATINGS
ORDERING INFORMATION
MINIMUM
SIGNAL-TO-
(NOISE + DISTORTION)
RATIO(dB)
MAXIMUM
LINEARITY
ERROR (LSB)
SPECIFICATION
TEMPERATURE
RANGE (
°
C)
PRODUCT
PACKAGE
ADS7808P
ADS7808PB
ADS7808U
ADS7808UB
±
0.9
±
0.45
±
0.9
±
0.45
70
72
70
72
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
20-Pin Plastic DIP
20-Pin Plastic DIP
20-Pin SOIC
20-Pin SOIC
PACKAGE INFORMATION
PACKAGE DRAWING
NUMBER
(1)
PRODUCT
PACKAGE
ADS7808P
ADS7808PB
ADS7808U
ADS7808UB
20-Pin Plastic DIP
20-Pin Plastic DIP
20-Pin SOIC
20-Pin SOIC
222
222
221
221
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
Serial 12 bits
Binary Two's Complement or Straight Binary
Conversion results only available after completed conversion.
Selectable for internal or external data clock
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7808U | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7808U | 制造商:Texas Instruments 功能描述:IC 12BIT ADC 100KHZ SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20; Resolution (Bits):12bit; Sampling Rate:100kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:16mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes |
| ADS7808U/1K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7808U/1KE4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7808U/1KG4 | 制造商:Texas Instruments 功能描述: |
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