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参数资料
| 型号： | DC887A |
| 厂商： | Linear Technology |
| 文件页数： | 12/20页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC1408 |
| 软件下载： | QuikEval II System |
| 设计资源： | DC887A Design File DC887A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval-II™ |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 600k |
| 数据接口： | 串行 |
| 输入范围： | ±1.25 V |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC1408 |
| 已供物品： | 板 |
| 相关产品： | LTC1408CUH-ND - IC ADC 14BIT 600KSPS 32-QFN LTC1408CUH-12#TRPBF-ND - IC ADC 12BIT 600KSPS 32-QFN LTC1408IUH-12#TRPBF-ND - IC ADC 12BIT 600KSPS 32-QFN LTC1408IUH#TRPBF-ND - IC ADC 14BIT 600KSPS 32-QFN LTC1408CUH#TRPBF-ND - IC ADC 14BIT 600KSPS 32-QFN LTC1408IUH-12#PBF-ND - IC ADC 12BIT 600KSPS 32-QFN LTC1408CUH-12#PBF-ND - IC ADC 12BIT 600KSPS 32-QFN LTC1408IUH#PBF-ND - IC ADC 14BIT 600KSPS 32-QFN LTC1408CUH#PBF-ND - IC ADC 14BIT 600KSPS 32-QFN |
2
LTC1408
1408fa
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
(Notes 1, 2)
Supply Voltage (VDD, VCC, OVDD) .............................. 4V
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 (VDD + 0.3V)
Power Dissipation .............................................. 100mW
Operation Temperature Range
LTC1408C ............................................... 0
°C to 70°C
LTC1408I ............................................ – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 125°C
The
● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
14
Bits
Integral Linearity Error
(Note 5)
●
–3
±0.5
3
LSB
Offset Error
(Note 4)
●
–4.5
±1
4.5
mV
Offset Match from CH0 to CH5
–3
±0.5
3
mV
Range Error
(Note 4)
●
–12
±212
mV
Range Match from CH0 to CH5
–5
±15
mV
Range Tempco
Internal Reference (Note 4)
±15
ppm/
°C
External Reference
±1
ppm/
°C
The
● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Differential Input Range (Notes 3, 8, 9)
2.7V
≤ VDD ≤ 3.3V
0 to 2.5
V
VCM
Analog Common Mode + Differential
0 to VDD
V
Input Range
(Note 8)
IIN
Analog Input Leakage Current
●
1
A
CIN
Analog Input Capacitance
13
pF
tACQ
Sample-and-Hold Acquisition Time
(Note 6)
●
39
ns
tAP
Sample-and-Hold Aperture Delay Time
1
ns
tJITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ps
tSK
Channel to Channel Aperture Skew
200
ps
CMRR
Analog Input Common Mode Rejection Ratio
fIN = 100kHz, VIN = 0V to 3V
–83
dB
fIN = 10MHz, VIN = 0V to 3V
–67
dB
CO VERTER CHARACTERISTICS
U
A ALOG I PUT
U
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
QFN PART MARKING
TJMAX = 125°C, θJA = 34°C/ W
EXPOSED PIN IS GND (PAD 33)
MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
16 15 14 13 12 11 10
9
25 26 27 28
TOP VIEW
QFN PACKAGE
32-PIN (5mm
× 5mm) PLASTIC QFN
29 30 31 32
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
CH4+
CH4–
GND
CH5+
CH5–
GND
VREF
VCC
CH1–
CH1+
GND
CH0–
CH0+
OVDD
OGND
SDO
GND
CH3
–
CH3
+
GND
CH2
–
CH2
+
GND
V
DD
SEL2
SEL1
SEL0
BIP
CONV
DGND
SCK
33
LTC1408CUH
LTC1408IUH
1408
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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