Temperature (VCC
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� DC746A
寤犲晢锛� Linear Technology
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鏂囦欢澶у皬锛� 0K
鎻忚堪锛� BOARD DELTA SIGMA ADC LTC2412
杌熶欢涓嬭級锛� QuikEval System
瑷�(sh猫)瑷堣硣婧愶細 DC746A Design File
DC746A Schematic
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ADC 鐨勬暩(sh霉)閲忥細 1
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宸ヤ綔婧害锛� 0°C ~ 70°C
宸茬敤 IC / 闆朵欢锛� LTC2412
宸蹭緵鐗╁搧锛� 鏉�
鐩搁棞(gu膩n)鐢�(ch菐n)鍝侊細 DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER
LTC2412IGN#PBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP
LTC2412IGN#TRPBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP
LTC2412CGN#TRPBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP
LTC2412CGN#PBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP
LTC2412IGN#TR-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP
LTC2412CGN#TR-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP
LTC2412IGN-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP
LTC2412CGN-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP
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)
鈥�2.5 鈥�2 鈥�1.5 鈥�1 鈥�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
鈥�0.5
鈥�1.0
鈥�1.5
VCC = 5V
REF + = 5V
REF 鈥� = GND
VREF = 5V
VINCM = 2.5V
FO = GND
TA = 90掳C
TA = 25掳C
TA = 鈥�45掳C
VIN (V)
鈥�1
鈥�0.5
0
0.5
1
TUE
(ppm
OF
V
REF
)
2412 G02
1.5
1.0
0.5
0
鈥�0.5
鈥�1.0
鈥�1.5
VCC = 5V
REF + = 2.5V
REF 鈥� = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 90掳C
TA = 25掳C
TA = 鈥�45掳C
VIN (V)
鈥�1
鈥�0.5
0
0.5
1
TUE
(ppm
OF
V
REF
)
2412 G03
10
8
6
4
2
0
鈥�2
鈥�4
鈥�6
鈥�8
鈥�10
VCC = 2.7V
REF + = 2.5V
REF 鈥� = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 90掳C
TA = 25掳C
TA = 鈥�45掳C
VIN (V)
鈥�2.5 鈥�2 鈥�1.5 鈥�1 鈥�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
鈥�0.5
鈥�1.0
鈥�1.5
VCC = 5V
REF + = 5V
REF 鈥� = GND
VREF = 5V
VINCM = 2.5V
FO = GND
TA = 鈥�45掳C
TA = 25掳C
TA = 90掳C
VIN (V)
鈥�1
鈥�0.5
0
0.5
1
INL
ERROR
(ppm
OF
V
REF
)
2412 G05
1.5
1.0
0.5
0
鈥�0.5
鈥�1.0
鈥�1.5
VCC = 5V
REF + = 2.5V
REF 鈥� = GND
VREF = 2.5V
VINCM = 1.25V
FO = GND
TA = 25掳C
TA = 鈥�45掳C
TA = 90掳C
VIN (V)
鈥�1
鈥�0.5
0
0.5
1
INL
ERROR
(ppm
OF
V
REF
)
2412 G06
10
8
6
4
2
0
鈥�2
鈥�4
鈥�6
鈥�8
鈥�10
VREF = 2.5V
VINCM = 1.25V
FO = GND
VCC = 2.7V
REF + = 2.5V
REF 鈥� = GND
TA = 25掳C
TA = 鈥�45掳C
TA = 90掳C
OUTPUT CODE (ppm OF VREF)
鈥�0.8 鈥�0.6 鈥�0.4 鈥�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 鈥� = GND
IN+ = 2.5V
IN鈥� = 2.5V
FO = GND
TA = 25掳C
GAUSSIAN
DISTRIBUTION
m = 0.105ppm
蟽 = 0.153ppm
OUTPUT CODE (ppm OF VREF)
鈥�0.8 鈥�0.6 鈥�0.4 鈥�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 鈥� = GND
IN+ = 2.5V
IN鈥� = 2.5V
FO = 460800Hz
TA = 25掳C
GAUSSIAN
DISTRIBUTION
m = 0.067ppm
蟽 = 0.151ppm
OUTPUT CODE (ppm OF VREF)
鈥�9.8 鈥�9.4 鈥�9 鈥�8.6 鈥�8.2 鈥�7.8 鈥�7.4 鈥�7 鈥�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 鈥� = GND
IN+ = 2.5V
IN鈥� = 2.5V
FO = 1075200Hz
TA = 25掳C
GAUSSIAN
DISTRIBUTION
m = 8.285ppm
蟽 = 0.311ppm
鐩搁棞(gu膩n)PDF璩囨枡
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