参数资料
型号: LTC2412IGN#TR
厂商: Linear Technology
文件页数: 33/36页
文件大小: 0K
描述: IC CONV A/D 24B 2CH DIFF 16-SSOP
标准包装: 2,500
位数: 24
采样率(每秒): 7.5
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 1mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
输入数目和类型: 1 个差分,双极
配用: DC746A-ND - BOARD DELTA SIGMA ADC LTC2412
LTC2412
6
2412f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Total Unadjusted Error vs
Temperature (VCC = 2.7V,
VREF = 2.5V)
Total Unadjusted Error vs
Temperature (VCC = 5V,
VREF = 2.5V)
Total Unadjusted Error vs
Temperature (VCC = 5V,
VREF = 5V)
Integral Nonlinearity vs
Temperature (VCC = 2.7V,
VREF = 2.5V)
Integral Nonlinearity vs
Temperature (VCC = 5V,
VREF = 2.5V)
Integral Nonlinearity vs
Temperature (VCC = 5V,
VREF = 5V)
Noise Histogram (Output Rate =
52.5Hz, VCC = 5V, VREF = 5V)
Noise Histogram (Output Rate =
22.5Hz, VCC = 5V, VREF = 5V)
Noise Histogram (Output Rate =
7.5Hz, VCC = 5V, VREF = 5V)
VIN (V)
–2.5 –2 –1.5 –1 –0.5 0
0.5
1
1.5
2
2.5
TUE
(ppm
OF
V
REF
)
2412 G01
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
VCC = 5V
REF + = 5V
REF = GND
VREF = 5V
VINCM = 2.5V
FO = GND
TA = 90°C
TA = 25°C
TA = –45°C
VIN (V)
–1
–0.5
0
0.5
1
TUE
(ppm
OF
V
REF
)
2412 G02
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
VCC = 5V
REF + = 2.5V
REF = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 90°C
TA = 25°C
TA = –45°C
VIN (V)
–1
–0.5
0
0.5
1
TUE
(ppm
OF
V
REF
)
2412 G03
10
8
6
4
2
0
–2
–4
–6
–8
–10
VCC = 2.7V
REF + = 2.5V
REF = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 90°C
TA = 25°C
TA = –45°C
VIN (V)
–2.5 –2 –1.5 –1 –0.5 0
0.5
1
1.5
2
2.5
INL
ERROR
(ppm
OF
V
REF
)
2412 G04
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
VCC = 5V
REF + = 5V
REF = GND
VREF = 5V
VINCM = 2.5V
FO = GND
TA = –45°C
TA = 25°C
TA = 90°C
VIN (V)
–1
–0.5
0
0.5
1
INL
ERROR
(ppm
OF
V
REF
)
2412 G05
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
VCC = 5V
REF + = 2.5V
REF = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 25°C
TA = –45°C
TA = 90°C
VIN (V)
–1
–0.5
0
0.5
1
INL
ERROR
(ppm
OF
V
REF
)
2412 G06
10
8
6
4
2
0
–2
–4
–6
–8
–10
VREF = 2.5V
VINCM = 1.25V
FO = GND
VCC = 2.7V
REF + = 2.5V
REF = GND
TA = 25°C
TA = –45°C
TA = 90°C
OUTPUT CODE (ppm OF VREF)
–0.8 –0.6 –0.4 –0.2
0
0.2
0.4
0.6
0.8
NUMBER
OF
READINGS
(%)
2412 G07
12
10
8
6
4
2
0
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
REF + = 5V
REF = GND
IN+ = 2.5V
IN= 2.5V
FO = GND
TA = 25°C
GAUSSIAN
DISTRIBUTION
m = 0.105ppm
σ = 0.153ppm
OUTPUT CODE (ppm OF VREF)
–0.8 –0.6 –0.4 –0.2
0
0.2
0.4
0.6
0.8
NUMBER
OF
READINGS
(%)
2412 G08
12
10
8
6
4
2
0
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
REF + = 5V
REF = GND
IN+ = 2.5V
IN= 2.5V
FO = 460800Hz
TA = 25°C
GAUSSIAN
DISTRIBUTION
m = 0.067ppm
σ = 0.151ppm
OUTPUT CODE (ppm OF VREF)
–9.8 –9.4 –9 –8.6 –8.2 –7.8 –7.4 –7 –6.6
NUMBER
OF
READINGS
(%)
2412 G09
12
10
8
6
4
2
0
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
REF + = 5V
REF = GND
IN+ = 2.5V
IN= 2.5V
FO = 1075200Hz
TA = 25°C
GAUSSIAN
DISTRIBUTION
m = 8.285ppm
σ = 0.311ppm
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