参数资料
型号: LTC2297CUP#TRPBF
厂商: Linear Technology
文件页数: 12/28页
文件大小: 0K
描述: IC ADC DUAL 14BIT 40MSPS 64QFN
标准包装: 2,000
位数: 14
采样率(每秒): 40M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 285mW
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: 64-WFQFN 裸露焊盘
供应商设备封装: 64-QFN(9x9)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,双极; 2 个差分, 双极
LTC2298/LTC2297/LTC2296
2
229876fa
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ................................................. 4V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (VDD + 0.3V)
Digital Input Voltage .................... –0.3V to (VDD + 0.3V)
Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)
ORDER PART
NUMBER
QFN PART*
MARKING
LTC2298UP
LTC2297UP
LTC2296UP
LTC2298CUP
LTC2298IUP
LTC2297CUP
LTC2297IUP
LTC2296CUP
LTC2296IUP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
The
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
LTC2298
LTC2297
LTC2296
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution
14
Bits
(No Missing Codes)
Integral Linearity Error Differential Analog Input (Note 5)
–5
±1.2
5
–5
±1.2
5
–5
±1.2
5
LSB
Differential
Differential Analog Input
–1
±0.5
1
–1
±0.5
1
–1
±0.5
1
LSB
Linearity Error
Offset Error
(Note 6)
–12
±212
–12
±212
–12
±212
mV
Gain Error
External Reference
–2.5
±0.5
2.5
–2.5
±0.5
2.5
–2.5
±0.5
2.5
%FS
Offset Drift
±10
V/°C
Full-Scale Drift
Internal Reference
±30
ppm/
°C
External Reference
±5
ppm/
°C
Gain Matching
±0.3
%FS
Offset Matching
±2
±2mV
Transition Noise
SENSE = 1V
1
LSBRMS
CO VERTER CHARACTERISTICS
U
TOP VIEW
65
UP PACKAGE
64-LEAD (9mm
× 9mm) PLASTIC QFN
TJMAX = 125°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND AND MUST BE SOLDERED TO PCB
AINA
+ 1
AINA
2
REFHA 3
REFHA 4
REFLA 5
REFLA 6
VDD 7
CLKA 8
CLKB 9
VDD 10
REFLB 11
REFLB 12
REFHB 13
REFHB 14
AINB
15
AINB
+ 16
48 DA7
47 DA6
46 DA5
45 DA4
44 DA3
43 DA2
42 DA1
41 DA0
40 OFB
39 DB13
38 DB12
37 DB11
36 DB10
35 DB9
34 DB8
33 DB7
64
GND
63
V
DD
62
SENSEA
61
VCMA
60
MODE
59
SHDNA
58
OEA
57
OFA
56
DA13
55
DA12
54
DA11
53
DA10
52
DA9
51
DA8
50
OGND
49
OV
DD
GND
17
V
DD
18
SENSEB
19
VCMB
20
MUX
21
SHDNB
22
OEB
23
DB0
24
DB1
25
DB2
26
DB3
27
DB4
28
DB5
29
DB6
30
OGND
31
OV
DD
32
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2298C, LTC2297C, LTC2296C ........... 0
°C to 70°C
LTC2298I, LTC2297I, LTC2296I ..........–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 125°C
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
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