参数资料
型号: LTC2435-1CGN
厂商: Linear Technology
文件页数: 12/42页
文件大小: 0K
描述: IC ADC DIFF I/REF 20BIT 16-SSOP
标准包装: 100
位数: 20
采样率(每秒): 13.75
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 2
功率耗散(最大): 1mW
电压电源: 单电源
工作温度: 0°C ~ 70°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: 管件
输入数目和类型: 1 个差分,双极
LTC2435/LTC2435-1
2
24351fc
For more information www.linear.com/LTC2435
pin conFiguraTion
absoluTe MaxiMuM raTings
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)
Digital Output Voltage to GND.......–0.3V to (VCC + 0.3V)
Operating Temperature Range
LTC2435C/LTC2435-1C ........................... 0°C to 70°C
LTC2435I/LTC2435-1I ......................... –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Notes 1, 2)
TOP VIEW
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
VCC
REF+
REF
IN+
IN
GND
FO
SCK
SDO
CS
GND
TJMAX = 125°C, θJA = 95°C/W
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2435CGN#PBF
LTC2435CGN#TRPBF
2435
16-Lead Plastic SSOP
0°C to 70°C
LTC2435IGN#PBF
LTC2435CGN#TRPBF
2435I
16-Lead Plastic SSOP
–40°C to 85°C
LTC2435-1CGN#PBF
LTC2435-1CGN#TRPBF
24351
16-Lead Plastic SSOP
0°C to 70°C
LTC2435-1IGN#PBF
LTC2435-1IGN#TRPBF
24351I
16-Lead Plastic SSOP
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
elecTrical characTerisTics The
l
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, –0.5 VREF ≤ VIN ≤ 0.5 VREF , (Note 5)
20
Bits
Integral Nonlinearity
5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Note 6)
5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF= GND, VINCM = 2.5V, (Note 6)
2.7V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Note 6)
2
3
10
20
ppm of VREF
Offset Error
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN+ = IN≤ VCC, (Note 14)
2
5
mV
Offset Error Drift
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN+ = IN≤ VCC
100
nV/°C
Positive Gain Error
2.5V ≤ REF+ ≤ VCC, REF= GND,
IN+ = 0.75REF+, IN= 0.25 REF+
10
25
ppm of VREF
Positive Gain Error Drift
2.5V ≤ REF+ ≤ VCC, REF= GND,
IN+ = 0.75REF+, IN= 0.25 REF+
0.1
ppm of VREF/°C
Negative Gain Error
2.5V ≤ REF+ ≤ VCC, REF= GND,
IN+ = 0.25 REF+, IN= 0.75 REF+
10
25
ppm of VREF
Negative Gain Error Drift
2.5V ≤ REF+ ≤ VCC, REF= GND,
IN+ = 0.25 REF+, IN= 0.75 REF+
0.1
ppm of VREF/°C
Output Noise
5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF= GND,
GND ≤ IN= IN+ ≤ VCC, (Note 13)
4
VRMS
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