參數(shù)資料
型號: PT78NR215S
廠商: Texas Instruments, Inc.
元件分類: 開關(guān)穩(wěn)壓
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 65/76頁
文件大小: 896K
代理商: PT78NR215S
Rev.2.02
Jun 19, 2007
page 68 of 73
REJ03B0146-0202
3823 Group
(VCC = 1.8 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Limits
Min.
Unit
Typ.
Max.
Test conditions
ABS
tCONV
RLADDER
IVREF
IIA
Resolution
Absolute accuracy
(excluding quantization error)
Conversion time
Ladder resistor
Reference power source input current
Analog port input current
ADL2 = “0”, ADL1 = “0”, CPUM7 = “0”
2.2 V ≤ VCC = VREF ≤ 5.5 V
f(XIN) = 2 VCC MHz ≤ 10 MHz
ADL2 = “0”, ADL1 = “0”, CPUM7 = “0”
2.0 V ≤ VCC = VREF < 2.2 V
f(XIN) = 4.4 MHz
ADL2 = “0”, ADL1 = “1”, CPUM7 = “0”
VCC = VREF = 4.0 to 5.5 V
f(XIN) = 2 VCC MHz ≤ 10 MHz
ADL2 = “1”, ADL1 = “0”, CPUM7 = “1” and EXPCM0 = “1”
VCC = VREF = 1.8 to 2.2 V
f(XIN) = 8 MHz (ADL2 = “0”, ADL1 = “0”, CPUM7 = “0”)
VREF = 5 V
Bits
LSB
s
k
A
8
±2
±3
±4
TC(XIN)100
100
200
5.0
Table 20 A/D converter characteristics (1) (in 8 bit A/D mode)
12
50
35
150
(VCC = 1.8 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Limits
Min.
Unit
Typ.
Max.
Test conditions
ABS
tCONV
RLADDER
IVREF
IIA
Resolution
Absolute accuracy
(excluding quantization error)
Conversion time
Ladder resistor
Reference power source input current
Analog port input current
ADL2 = “0”, ADL1 = “0”, CPUM7 = “0”
2.2 V ≤ VCC = VREF ≤ 5.5 V
f(XIN) = 2 VCC MHz ≤ 10 MHz
ADL2 = “0”, ADL1 = “1”, CPUM7 = “0”
VCC = VREF = 4.0 to 5.5 V
f(XIN) = 2 VCC MHz ≤ 10 MHz
ADL2 = “1”, ADL1 = “0”, CPUM7 = “1” and EXPCM0 = “1”
VCC = VREF = 1.8 to 2.2 V
f(XIN) = 8 MHz (ADL2 = “0”, ADL1 = “0”, CPUM7 = “0”)
VREF = 5 V
Bits
LSB
s
k
A
10
±4
TC(XIN)100
100
200
5.0
Table 21 A/D converter characteristics (2) (in 10 bit A/D mode)
12
50
35
150
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