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| 型號(hào)： | ADS8504 |
| 英文描述： | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 12位250 kSPS的采樣CMOS模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大小： | 361K |
| 代理商： | ADS8504 |
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ADS8504
SLAS434–JUNE 2005
ELECTRICAL CHARACTERISTICS (continued)
T
A
= -40°C to 85°C, f
s
= 250 kHz, V
DIG
= V
ANA
= 5 V, using internal reference (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Ext. 2.5-V Ref.
Ext. 2.5-V Ref.
MIN
-0.25
TYP
MAX
0.25
UNIT
%FSR
ppm/°C
LSB
ppm/°C
Full-scale error
(3)(4)
Full-scale error drift
Bipolar zero error
(3)
Bipolar zero error drift
Power supply sensitivity
(V
DIG
= V
ANA
= V
D
)
AC ACCURACY
SFDR
Spurious-free dynamic range
THD
Total harmonic distortion
±2
-1
1
±0.4
-0.5
0.5
+4.75 V < V
D
< +5.25 V
LSB
f
I
= 45 kHz
f
I
= 45 kHz
f
I
= 45 kHz
–60-dB Input
f
I
= 45 kHz
86
94
-95
73
32
73
500
dB
(5)
dB
dB
dB
dB
kHz
-86
72
SINAD
Signal-to-(noise+distortion)
SNR
Signal-to-noise ratio
Full-power bandwidth
(6)
SAMPLING DYNAMICS
Aperture delay
Transient response
Overvoltage recovery
(7)
REFERENCE
Internal reference voltage
Internal reference source current (must use
external buffer)
Internal reference drift
External reference voltage range for specified
linearity
External reference current drain
DIGITAL INPUTS
Logic levels
V
IL
Low-level input voltage
V
IH
High-level input voltage
I
IL
Low-level input current
I
IH
High-level input current
DIGITAL OUTPUTS
Data format (Parallel 12-bits)
Data coding (Binary 2's complement)
V
OL
Low-level output voltage
V
OH
High-level output voltage
Leakage current
Output capacitance
DIGITAL TIMING
Bus access timing
Bus relinquish timing
72
5
ns
μs
ns
FS Step
2
150
2.48
2.5
2.52
V
1
μA
8
ppm/°C
2.3
2.5
2.7
V
Ext. 2.5-V Ref.
100
μA
-0.3
2.0
0.8
V
V
μA
μA
V
DIG
+0.3 V
±10
±10
I
SINK
= 1.6 mA
I
SOURCE
= 500 μA
Hi-Z state, V
OUT
= 0 V to V
DIG
Hi-Z state
0.4
V
V
μA
pF
4
±5
15
83
83
ns
ns
(5)
(6)
All specifications in dB are referred to a full-scale ±10-V input.
Full-power bandwidth is defined as the full-scale input frequency at which signal-to-(noise + distortion) degrades to 60 dB, or 10 bits of
accuracy.
Recovers to specified performance after 2 x FS input overvoltage.
(7)
3
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| ADS8504IB | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDW | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWG4 | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWR | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWRG4 | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8504IB | 制造商:BB 制造商全稱:BB 功能描述:12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface 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 |
| ADS8504IBDWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface 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 |
| ADS8504IBDWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface 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 |
| ADS8504IBDWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface 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 |
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