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參數(shù)資料
| 型號(hào)： | ADS7842E |
| 英文描述： | 12-Bit, 4-Channel Parallel Output Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 12位，4通道并行輸出采樣模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 139K |
| 代理商： | ADS7842E |
3
ADS7842
SPECIFICATION: +2.7V
At T
A
= –40
°
C to +85
°
C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 f
SAMPLE
= 2MHz, unless otherwise noted.
ADS7842E
ADS7842EB
6
Same specifications as ADS7842E.
NOTE: (1) LSB means Least Significant Bit. With V
equal to +2.5V, one LSB is 610mV. (2) First five harmonics of the test frequency. (3) Power-down mode at
end of conversion when WR, CS, and BUSY conditions have all been met. Refer to Table III of this data sheet.
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
12
6
Bits
ANALOG INPUT
Full-Scale Input Span
Capacitance
Leakage Current
0
V
REF
6
6
V
pF
μ
A
25
±
1
6
6
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Noise
Power Supply Rejection
12
6
Bits
LSB
(1)
LSB
LSB
LSB
LSB
LSB
μ
Vrms
dB
±
2
±
1
±
1
6
6
±
3
6
±
0.8
±
0.5
±
5
1.0
±
4
1.0
0.15
6
0.1
30
70
6
6
6
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughput Rate
Multiplexer Settling Time
Aperture Delay
Aperture Jitter
12
6
Clk Cycles
Clk Cycles
kHz
ns
ns
ps
3
6
125
6
500
30
100
6
6
6
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion
(2)
Signal-to-(Noise + Distortion)
Spurious Free Dynamic Range
Channel-to-Channel Isolation
V
IN
= 2.5Vp-p at 10kHz
V
IN
= 2.5Vp-p at 10kHz
V
IN
= 2.5Vp-p at 10kHz
V
IN
= 2.5Vp-p at 50kHz
–77
71
78
100
–70
–79
72
80
6
–74
dB
dB
dB
dB
68
72
70
76
REFERENCE INPUT
Range
Resistance
Input Current
0.1
+V
CC
6
6
V
DCLK Static
5
6
6
6
6
G
μ
A
μ
A
μ
A
13
2.5
0.001
40
6
f
SAMPLE
= 12.5kHz
3
6
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels
V
IH
V
IL
V
OH
V
Data Format
External Clock
CMOS
6
| I
IH
|
≤
+5
μ
A
| I
IL
|
≤
+5
μ
A
I
OH
= –250
μ
A
I
OL
= 250
μ
A
+V
CC
0.7
–0.3
+V
CC
0.8
5.5
+0.8
6
6
6
6
6
V
V
V
V
0.4
6
Straight Binary
6
0.2
8
6
6
MHz
POWER SUPPLY REQUIREMENTS
+V
Quiescent Current
Specified Performance
2.7
3.6
650
6
6
6
V
μ
A
μ
A
μ
A
mW
280
220
6
6
f
= 12.5kHz
Power-Down Mode
(3)
, CS = +V
CC
3
6
6
Power Dissipation
1.8
TEMPERATURE RANGE
Specified Performance
–40
+85
6
6
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7842E/1K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output 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 |
| ADS7842E/1KG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output 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 |
| ADS7842EB | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output 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 |
| ADS7842EB | 制造商:Texas Instruments 功能描述:IC 12BIT ADC 200KHZ SSOP28 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 200KHZ, SSOP28 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 200KHZ, SSOP28; Resolution (Bits):12bit; Sampling Rate:200kSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; Supply Current:550A; Digital IC Case Style:SSOP; No. of Pins:28; Input ;RoHS Compliant: Yes |
| ADS7842EB | 制造商:Texas Instruments 功能描述:IC's |
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