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參數(shù)資料
型號(hào): MCP3302T-BI/ST
廠商: Microchip Technology
文件頁數(shù): 34/48頁
文件大?。?/td> 0K
描述: IC ADC 13BIT 2.7V 2CH SPI14TSSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 13
采樣率(每秒): 100k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,單極;2 個(gè)差分,單極
其它名稱: MCP3302TBI/ST
MCP3302/04
DS21697F-page 4
2011 Microchip Technology Inc.
Analog Inputs
Full Scale Input Span
CH0 - CH7
-VREF
—VREF
V
Absolute Input Voltage
CH0 - CH7
-0.3
VDD + 0.3
V
Leakage Current
0.001
±1
A
Switch Resistance
RS
—1
k
Sample Capacitor
CSAMPLE
25
pF
Digital Input/Output
Data Coding Format
Binary Two’s Complement
High Level Input Voltage
VIH
0.7 VDD
——
V
Low Level Input Voltage
VIL
0.3 VDD
V
High Level Output Voltage
VOH
4.1
V
IOH = -1 mA, VDD = 4.5V
Low Level Output Voltage
VOL
——
0.4
V
IOL = 1 mA, VDD = 4.5V
Input Leakage Current
ILI
-10
10
A
VIN = VSS or VDD
Output Leakage Current
ILO
-10
10
A
VOUT = VSS or VDD
Pin Capacitance
CIN, COUT
10
pF
TA = +25°C, F = 1 MHz, Note 1
Timing Specifications:
Clock Frequency
(Note 8)
FCLK
0.105
2.1
MHz
VDD = 5V, FSAMPLE = 100 ksps
Clock High Time
THI
210
ns
Clock Low Time
TLO
210
ns
CS Fall To First Rising CLK Edge
TSUCS
100
ns
Data In Setup time
TSU
50
ns
Data In Hold Time
THD
50
ns
CLK Fall To Output Data Valid
TDO
——
125
ns
VDD = 5V, see Figure 1-2
200
ns
VDD = 2.7V, see Figure 1-2
CLK Fall To Output Enable
TEN
——
125
ns
VDD = 5V, see Figure 1-2
200
ns
VDD = 2.7V, see Figure 1-2
CS Rise To Output Disable
TDIS
100
ns
CS Disable Time
TCSH
475
ns
DOUT Rise Time
TR
100
ns
See test circuits, Figure 1-2
DOUT Fall Time
TF
100
ns
See test circuits, Figure 1-2
ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 5V, VSS = 0V, and VREF = 5V. Full differential
input configuration (Figure 1-5) with fixed common mode voltage of 2.5V. All parameters apply over temperature with
TA = -40°C to +85°C (Note 7). Conversion speed (FSAMPLE) is 100 ksps with FCLK = 21*FSAMPLE
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Note 1: This specification is established by characterization and not 100% tested.
2: See characterization graphs that relate converter performance to VREF level.
3: VIN = 0.1V to 4.9V @ 1 kHz.
4: VDD =5V DC ±500 mVP-P @ 1 kHz, see test circuit Figure 1-4.
5: Maximum clock frequency specification must be met.
6: VREF = 400 mV, VIN = 0.1V to 4.9V @ 1 kHz.
7: TSSOP devices are only specified at 25°C and +85°C.
8: For slow sample rates, see Section 5.2 “Driving the Analog Input” for limitations on clock frequency.
9: 4.5V - 5.5V is the supply voltage range for specified performance.
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