参数资料
型号: TWR-MCF51JE-KIT
厂商: Freescale Semiconductor
文件页数: 17/47页
文件大小: 0K
描述: TOWER SYSTEM KIT MCF51JE
标准包装: 1
系列: ColdFire®, Flexis™
类型: MCU
适用于相关产品: Freescale 电源塔系统,MCF51JE
所含物品: 4 个板,线缆,文档,DVD
MCF51JE256 Datasheet, Rev. 4
Preliminary Electrical Characteristics
Freescale Semiconductor
24
3.7
PRACMP Electricals
3.8
12-bit DAC Electricals
Table 12. PRACMP Electrical Specifications
#
Characteristic
Symbol
Minimum
Typical
Maximum
Unit
C
1
Supply voltage
VPWR
1.8
3.6
V
P
2
Supply current (active) (PRG enabled)
IDDACT1
——
80
AD
3
Supply current (active) (PRG disabled)
IDDACT2
——
40
AD
4
Supply current (ACMP and PRG all
disabled)
IDDDIS
——
2
nA
D
5
Analog input voltage
VAIN
VSS – 0.3
VDD
VD
6
Analog input offset voltage
VAIO
5
40
mV
D
7
Analog comparator hysteresis
VH
3.0
20.0
mV
D
8
Analog input leakage current
IALKG
——
1
nA
D
9
Analog comparator initialization delay
tAINIT
——
1.0
sD
10
Programmable reference generator inputs
VIn2 (VDD25)1.8
2.75
V
D
11
Programmable reference generator setup
delay
tPRGST
—1
sD
12
Programmable reference generator step
size
Vstep
0.75
1
1.25
LSB
D
13
Programmable reference generator voltage
range
Vprgout
VIn/32
Vin
VP
Table 13. DAC 12LV Operating Requirements
#
Characteristic
Symbol
Minimum Maximum
Unit
C
1
Supply voltage
VDDA
1.8
3.6
V
P
2
Reference voltage
VDACR
1.15
3.6
V
C
3
Temperature
TA
-40
105
°C
C
4
Output load capacitance1
1
A small load capacitance (47 pF) can improve the bandwidth performance of the DAC.
CL
100
pF
C
5
Output load current
IL
—1
mA
C
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