参数资料
型号: LTC2145IUP-14#PBF
厂商: Linear Technology
文件页数: 12/38页
文件大小: 0K
描述: IC ADC DUAL 14BIT 125MSPS 64-QFN
标准包装: 40
位数: 14
采样率(每秒): 125M
数据接口: 并联,串行,SPI
转换器数目: 2
功率耗散(最大): 360mW
电压电源: 模拟和数字
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: 管件
输入数目和类型: 2 个差分
配用: DC890B-ND - BOARD USB DATA COLLECTION
LTC2145-14/
LTC2144-14/LTC2143-14
2
21454314fa
ABSOLUTE MAXIMUM RATINGS
Supply Voltages (VDD, OVDD)....................... –0.3V to 2V
Analog Input Voltage (AIN+, AIN–,
PAR/SER, SENSE) (Note 3).......... –0.3V to (VDD + 0.2V)
Digital Input Voltage (ENC+, ENC, CS,
SDI, SCK) (Note 4).................................... –0.3V to 3.9V
SDO (Note 4) ............................................ –0.3V to 3.9V
(Notes 1, 2)
PIN CONFIGURATIONS
Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)
Operating Temperature Range
LTC2145C, LTC2144C, LTC2143C............. 0°C to 70°C
LTC2145I, LTC2144I, LTC2143I............ –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
FULL RATE CMOS OUTPUT MODE
DOUBLE DATA RATE CMOS OUTPUT MODE
TOP VIEW
UP PACKAGE
64-LEAD (9mm
9mm) PLASTIC QFN
VDD 1
VCM1 2
GND 3
AIN1
+ 4
AIN1
5
GND 6
REFH 7
REFL 8
REFH 9
REFL 10
PAR/SER 11
AIN2
+ 12
AIN2
13
GND 14
VCM2 15
VDD 16
48 D1_3
47 D1_2
46 D1_1
45 D1_0
44 DNC
43 DNC
42 OVDD
41 OGND
40 CLKOUT+
39 CLKOUT
38 D2_13
37 D2_12
36 D2_11
35 D2_10
34 D2_9
33 D2_8
65
GND
64
V
DD
63
SENSE
62
V
REF
61
SDO
60
OF1
59
OF2
58
D1_13
57
D1_12
56
D1_11
55
D1_10
54
D1_9
53
D1_8
52
D1_7
51
D1_6
50
D1_5
49
D1_4
V
DD
17
ENC
+
18
ENC
19
CS
20
SCK
21
SDI
22
DNC
23
DNC
24
D2_0
25
D2_1
26
D2_2
27
D2_3
28
D2_4
29
D2_5
30
D2_6
31
D2_7
32
TJMAX = 150°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
UP PACKAGE
64-LEAD (9mm
9mm) PLASTIC QFN
VDD 1
VCM1 2
GND 3
AIN1
+ 4
AIN1
5
GND 6
REFH 7
REFL 8
REFH 9
REFL 10
PAR/SER 11
AIN2
+ 12
AIN2
13
GND 14
VCM2 15
VDD 16
48 D1_2_3
47 DNC
46 D1_0_1
45 DNC
44 DNC
43 DNC
42 OVDD
41 OGND
40 CLKOUT+
39 CLKOUT
38 D2_12_13
37 DNC
36 D2_10_11
35 DNC
34 D2_8_9
33 DNC
65
GND
64
V
DD
63
SENSE
62
V
REF
61
SDO
60
OF2_1
59
DNC
58
D1_12_13
57
DNC
56
D1_10_11
55
DNC
54
D1_8_9
53
DNC
52
D1_6_7
51
DNC
50
D1_4_5
49
DNC
V
DD
17
ENC
+
18
ENC
19
CS
20
SCK
21
SDI
22
DNC
23
DNC
24
DNC
25
D2_0_1
26
DNC
27
D2_2_3
28
DNC
29
D2_4_5
30
DNC
31
D2_6_7
32
TJMAX = 150°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
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