参数资料
型号: LTC1420IGN#TRPBF
厂商: Linear Technology
文件页数: 12/20页
文件大小: 0K
描述: IC ADC 12BIT 10MSPS SAMPL 28SSOP
标准包装: 2,500
位数: 12
采样率(每秒): 10M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 300mW
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: 28-SSOP(0.154",3.90mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
输入数目和类型: 2 个单端,双极;1 个差分,双极
2
LTC1420
1420fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
VREF = 4.096V (SENSE = 0V), GAIN = 5V (1×)
±2.048
V
+AIN – (–AIN)VREF = 4.096V (SENSE = 0V), GAIN = 0V (2×)
±1.024
V
VREF = 2.048V (SENSE = VREF), GAIN = 5V (1×)
±1.024
V
VREF = 2.048V (SENSE = VREF), GAIN = 0V (2×)
±0.512
V
External VREF (SENSE = 5V), GAIN = 5V (1×)
±VREF/2
V
External VREF (SENSE = 5V), GAIN = 0V (2×)
±VREF/4
V
IIN
Analog Input Leakage Current
±20
A
CIN
Analog Input Capacitance
Between Conversions
12
pF
During Conversions
6
pF
tACQ
Sample-and-Hold Acquisition Time
30
ns
tAP
Sample-and-Hold Aperture Delay Time
– 250
ps
tjitter
Sample-and-Hold Aperture Delay Time Jitter
0.6
ps
CMRR
Analog Input Common Mode Rejection Ratio
–2.048V < (–AIN = +AIN) < 2.048V
75
dB
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
0VDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ................................................. 6V
Negative Supply Voltage (VSS) ................................ –6V
Total Supply Voltage (VDD to VSS) ........................... 12V
Analog Input Voltage
(Note 3) ............................. (VSS – 0.3V) to (VDD + 0.3V)
Digital Input Voltage
(Note 4) ............................. (VSS – 0.3V) to (VDD + 0.3V)
Digital Output Voltage ........ (VSS – 0.3V) to (VDD + 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC1420C ............................................... 0°C to 70°C
LTC1420I ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
12
Bits
Integral Linearity Error
(Note 7)
±0.35
±1
LSB
Differential Linearity Error
±0.25
±1
LSB
Offset Error
(Note 8)
±5
12
LSB
16
LSB
Full-Scale Error
±10
30
LSB
Full-Scale Tempco
IOUT(REF) = 0
±15
ppm/°C
ORDER PART
NUMBER
LTC1420CGN
LTC1420IGN
Consult factory for Military grade parts.
TJMAX = 125°C, θJA = 80°C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+AIN
–AIN
VCM
SENSE
VREF
GND
VDD
GND
D11 (MSB)
D10
D9
D8
D7
D6
GAIN
OF
CLK
VSS
GND
VDD
OVDD
OGND
D0
D1
D2
D3
D4
D5
The
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With Internal 4.096V Reference. Specifications are guaranteed for both
dual supply and single supply operation. (Note 5)
The
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5)
CONVERTER CHARACTERISTICS
U
A ALOG I PUT
U
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