參數(shù)資料
型號: MSP430FE4252IPMR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8.4 MHz, RISC MICROCONTROLLER, PQFP64
封裝: GREEN, PLASTIC, LQFP-64
文件頁數(shù): 25/48頁
文件大小: 891K
代理商: MSP430FE4252IPMR
MSP430FE42x2
MIXED SIGNAL MICROCONTROLLER
SLAS616 JULY 2008
31
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
ESP430CE1B, SD16 built-in voltage reference
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VREF
Internal reference
voltage
SD16REFON = 1, SD16VMIDON = 0
3 V
1.14
1.20
1.26
V
IREF
Reference supply
current
SD16REFON = 1, SD16VMIDON = 0
3 V
175
260
A
TC
Temperature
coefficient
SD16REFON = 1, SD16VMIDON = 0 (see Note 1)
3 V
20
50
ppm/K
CREF
VREF load
capacitance
SD16REFON = 1, SD16VMIDON = 0 (see Note 2)
100
nF
ILOAD
VREF(I) maximum
load current
SD16REFON = 0, SD16VMIDON = 0
3 V
±200
nA
tON
Turn-on time
SD16REFON = 0
→ 1, SD16VMIDON = 0, CREF = 100 nF
3 V
5
ms
DC PSR
DC power supply
rejection,
VREF/VCC
SD16REFON = 1, SD16VMIDON = 0, VCC = 2.5 V to 3.6 V
200
V/V
NOTES:
1. Calculated using the box method: (MAX(40...85
°C) MIN(40...85°C)) / MIN(40...85°C) / (85 (40°C))
2. There is no capacitance required on VREF. However, a capacitance of at least 100 nF is recommended to reduce any reference
voltage noise.
ESP430CE1B, SD16 reference output buffer
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VREF,BUF
Reference buffer
output voltage
SD16REFON = 1, SD16VMIDON = 1
3 V
1.2
V
IREF,BUF
Reference supply +
reference output
buffer quiescent
current
SD16REFON = 1, SD16VMIDON = 1
3 V
385
600
A
CREF(O)
Required load
capacitance on
VREF
SD16REFON = 1, SD16VMIDON = 1
470
nF
ILOAD,Max
Maximum load
current on VREF
SD16REFON = 1, SD16VMIDON = 1
3 V
±1
mA
Maximum voltage
variation vs load
current
|ILOAD| = 0 to 1mA
3 V
15
+15
mV
tON
Turn-on time
SD16REFON = 0
→ 1, SD16VMIDON = 1, CREF = 470 nF
3 V
100
s
ESP430CE1B, SD16 external reference input
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VREF(I)
Input voltage range
SD16REFON = 0
3 V
1.0
1.25
1.5
V
IREF(I)
Input current
SD16REFON = 0
3 V
50
nA
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