参数资料
型号: DC1339A
厂商: Linear Technology
文件页数: 10/20页
文件大小: 0K
描述: BOARD SAR ADC LTC2302
软件下载: QuikEval System
设计资源: DC1339A Design File
DC1339A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 1
位数: 12
采样率(每秒): 500k
数据接口: MICROWIRE?,串行,SPI?
输入范围: ±VREF/2
在以下条件下的电源(标准): 14mW @ 500kSPS
已用 IC / 零件: LTC2302
已供物品:
相关产品: LTC2302IDD#TRPBF-ND - IC ADC 12-BIT 1CH 500KSPS 10DFN
LTC2302IDD#PBF-ND - IC ADC 12BIT 1CH 500KSPS 10-DFN
LTC2302CDD#TRPBF-ND - IC ADC 12-BIT 1CH 500KSPS 10DFN
LTC2302CDD#PBF-ND - IC ADC 12BIT 1CH 500KSPS 10-DFN
LTC2302/LTC2306
18
23026fa
APPLICATIONS INFORMATION
Figure 7. LTC2302/LTC2306 Timing with a Short CONVST Pulse
S/D BIT IS A DON’T CARE (X) FOR THE LTC2302
UNI
O/S
S/D
B11
B10 B9 B8
B7
B6 B5 B4 B3 B2 B1
B0
tCONV
CONVST
SCK
SDI
SDO
Hi-Z
23026 F07
MSB
LSB
tACQ
tHCONVST
tCYC
1
2
3
4
5
6
7
8
9
10
11 12
tWHCONV
Figure 8. LTC2302/LTC2306 Bipolar Transfer Characteristics
(2’s Complement)
Figure 9. LTC2302/LTC2306 Unipolar Transfer Characteristics
(Straight Binary)
INPUT VOLTAGE (V)
0V
OUTPUT
CODE
(TWO’S
COMPLEMENT)
–1
LSB
23026 F08
011...111
011...110
000...001
000...000
100...000
100...001
111...110
1
LSB
BIPOLAR
ZERO
111...111
FS/2 – 1LSB
–FS/2
FS = 4.096V
1LSB = FS/2N
1LSB = 1mV
INPUT VOLTAGE (V)
OUTPUT
CODE
20026 F09
111...111
111...110
100...001
100...000
000...000
000...001
011...110
011...111
FS – 1LSB
0V
UNIPOLAR
ZERO
FS = 4.096V
1LSB = FS/2N
1LSB = 1mV
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