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参数资料
| 型号： | DC586A |
| 厂商： | Linear Technology |
| 文件页数： | 12/40页 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2431 |
| 软件下载： | QuikEval System |
| 设计资源： | DC586A Design File DC586A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 2 |
| 位数： | 20 |
| 采样率（每秒）： | 7.5 |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2431 |
| 已供物品： | 板 |
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LTC2430/LTC2431
2
24301f
2430
2430I
(Notes 1, 2)
ORDER PART NUMBER
Supply Voltage (VCC) to GND.......................– 0.3V to 7V
Analog Input Pins Voltage
to GND ......................................... – 0.3V to (VCC + 0.3V)
Reference Input Pins Voltage
to GND ......................................... – 0.3V to (VCC + 0.3V)
Digital Input Voltage to GND ........ – 0.3V to (VCC + 0.3V)
TJMAX = 125°C, θJA = 120°C/W
LTC2430CGN
LTC2430IGN
GN PART MARKING
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
1
2
3
4
5
VCC
REF+
REF –
IN+
IN –
10
9
8
7
6
FO
SCK
SDO
CS
GND
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Digital Output Voltage to GND ..... – 0.3V to (VCC + 0.3V)
Operating Temperature Range
LTC2430C/LTC2431C .............................. 0
°C to 70°C
LTC2430I/LTC2431I ........................... – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
LTXD
LTXE
ORDER PART NUMBER
LTC2431CMS
LTC2431IMS
MS PART MARKING
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
VCC
REF+
REF–
IN+
IN–
GND
FO
SCK
SDO
CS
GND
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1V
≤ VREF ≤ VCC, –0.5 VREF ≤ VIN ≤ 0.5 VREF (Note 5)
q
20
Bits
Integral Nonlinearity
4.5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6)
2
ppm of VREF
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V (Note 6)
q
3
20
ppm of VREF
REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6)
10
ppm of VREF
Offset Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
520
V
GND
≤ IN+ = IN– ≤ VCC (Note 14)
Offset Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
50
nV/
°C
GND
≤ IN+ = IN– ≤ VCC
Positive Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
10
20
ppm of VREF
IN+ = 0.75REF+, IN– = 0.25 REF+
Positive Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
0.1
ppm of VREF/°C
IN+ = 0.75REF+, IN– = 0.25 REF+
Negative Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
10
20
ppm of VREF
IN+ = 0.25 REF+, IN– = 0.75 REF+
Negative Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
0.1
ppm of VREF/°C
IN+ = 0.25 REF+, IN– = 0.75 REF+
Total Unadjusted Error
4.5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V
3
ppm of VREF
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V
6
ppm of VREF
REF+ = 2.5V, REF– = GND, VINCM = 1.25V
15
ppm of VREF
Output Noise
5V
≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND,
2.8
VRMS
GND
≤ IN– = IN+ ≤ 5V, (Note 13)
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
ELECTRICAL CHARACTERISTICS
TJMAX = 125°C, θJA = 110°C/W
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