参数资料
型号: LTC2291IUP#TRPBF
厂商: Linear Technology
文件页数: 12/28页
文件大小: 0K
描述: IC ADC DUAL 12BIT 25MSPS 64QFN
标准包装: 2,000
位数: 12
采样率(每秒): 25M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 180mW
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: 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
LTC2293/LTC2292/LTC2291
2
229321fa
TOP VIEW
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 DA5
47 DA4
46 DA3
45 DA2
44 DA1
43 DA0
42 NC
41 NC
40 OFB
39 DB11
38 DB10
37 DB9
36 DB8
35 DB7
34 DB6
33 DB5
65
64
GND
63
V
DD
62
SENSEA
61
VCMA
60
MODE
59
SHDNA
58
OEA
57
OFA
56
DA11
55
DA10
54
DA9
53
DA8
52
DA7
51
DA6
50
OGND
49
OV
DD
GND
17
V
DD
18
SENSEB
19
VCMB
20
MUX
21
SHDNB
22
OEB
23
NC
24
NC
25
DB0
26
DB1
27
DB2
28
DB3
29
DB4
30
OGND
31
OV
DD
32
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
LTC2293UP
LTC2292UP
LTC2291UP
LTC2293CUP
LTC2293IUP
LTC2292CUP
LTC2292IUP
LTC2291CUP
LTC2291IUP
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)
LTC2293
LTC2292
LTC2291
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution
12
Bits
(No Missing Codes)
Integral Linearity Error Differential Analog Input (Note 5)
–1.4
±0.3
1.4
–1.4
±0.3
1.4
–1.3
±0.3
1.3
LSB
Differential
Differential Analog Input
–0.8
±0.15
0.8
–0.7
±0.15
0.7
–0.7
±0.15
0.7
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
External Reference
±0.3
%FS
Offset Matching
±2
±2mV
Transition Noise
SENSE = 1V
0.25
LSBRMS
CO VERTER CHARACTERISTICS
U
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/
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2293C, LTC2292C, LTC2291C ........... 0
°C to 70°C
LTC2293I, LTC2292I, LTC2291I ..........–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 125°C
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