參數(shù)資料
型號: ADS7870EA
英文描述: 12-Bit ADC, MUX, PGA and Internal Reference DATA ACQUISITION SYSTEM
中文描述: 12位ADC,復用器,PGA和內(nèi)部基準數(shù)據(jù)采集系統(tǒng)
文件頁數(shù): 6/27頁
文件大?。?/td> 262K
代理商: ADS7870EA
6
ADS7870
TYPICAL PERFORMANCE CURVES
At T
A
= +25
°
C, V
DD
= +5.0V, V
REF
= 2.5V connected to BUF
IN
(using internal reference), 2.5MHz CCLK and 2.5MHz SCLK, unless otherwise noted.
15
10
5
0
–5
–10
E
–60
–40
–20
0
20
40
60
80
100
120
140
Temperature (
°
C)
GAIN ERROR vs TEMPERATURE
Gain= 1
Gain = 8
Gain = 20
10
8
6
4
3
0
–2
–4
O
–60
–40
–20
0
20
40
60
80
100
120
140
Temperature (
°
C)
OUTPUT OFFSET ERROR vs TEMPERATURE
Gain= 1
Gain = 8
Gain = 20
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
C
–60
–40
–20
0
20
40
60
80
100
120
140
Temperature (
°
C)
INTERNAL OSCILLATOR FREQUENCY
vs TEMPERATURE
+3 Sigma
Avg
–3 Sigma
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
V
R
–60
–40
–20
0
20
40
60
00
100
120
140
Temperature (
°
C)
VOLTAGE REFERENCE ERROR
vs TEMPERATURE
V
REF
= 2.048V
or 2.5V
+3 Sigma
V
–3 Sigma
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
O
0
0.5
1
1.5
Common-Mode Voltage (V)
2
2.5
3
3.5
4
4.5
5
OUTPUT OFFSET ERROR
vs COMMON-MODE VOLTAGE
1 LSB =
–72dB for Gain = 1
–98dB for Gain = 20
Gain= 1
Gain = 10
Gain = 20
8
7
6
5
4
3
2
1
0
–1
O
2
2.5
3
3.5
4
4.5
5
5.5
6
V
DD
(V)
OUTPUT OFFSET ERROR
vs POWER SUPPLY VOLTAGE
4 LSB =
86dB (Gain = 20)
60dB (Gain = 1)
50kS/s, CCLK = 2.5MHz,
V
REF
= 2.048V
Gain= 1
Gain = 10
Gain = 20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7870EA/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit ADC MUX PGA 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7870EA/1KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit ADC MUX PGA 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7870EA/250 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter, 12-Bit
ADS7870EAG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit ADC MUX PGA 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7870EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS7870 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V