参数资料
型号: MCP3901A0-E/ML
厂商: Microchip Technology
文件页数: 27/30页
文件大小: 0K
描述: IC AFE 24BIT 64KSPS 2CH 20QFN
标准包装: 91
位数: 24
通道数: 2
电压 - 电源,模拟: 4.5 V ~ 5.5 V
电压 - 电源,数字: 2.7 V ~ 5.5 V
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(4x4)
包装: 管件
MCP3901
DS22192D-page 6
2011 Microchip Technology Inc.
SERIAL INTERFACE SPECIFICATIONS
Electrical Specifications: Unless otherwise indicated, all parameters apply: AVDD = 4.5 to 5.5V, DVDD = 2.7 to 5.5V,
-40°C < TA < +85°C, CLOAD = 30 pF
Parameters
Sym
Min
Typ
Max
Units
Conditions
Serial Clock Frequency
fSCK
20
10
MHz
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
CS Setup Time
tCSS
25
50
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD ≤ 5.5
CS Hold Time
tCSH
50
100
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
CS Disable Time
tCSD
50
ns
Data Setup Time
tSU
5
10
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
Data Hold Time
t
HD
10
20
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
Serial Clock High Time
t
HI
20
50
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
Serial Clock Low Time
t
LO
20
50
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5
Serial Clock Delay Time
t
CLD
50
ns
Serial Clock Enable Time
t
CLE
50
ns
Output Valid from SCK Low
t
DO
50
ns
2.7
≤ DV
DD < 5.5
Modulator Output Valid from AMCLK
High
t
DOMDAT
1/2 * AMCLK
s
Output Hold Time
t
HO
0—
ns
Output Disable Time
t
DIS
25
50
ns
4.5
≤ DV
DD ≤ 5.5
2.7
≤ DV
DD < 5.5 (Note 1)
Reset Pulse Width (RESET)tMCLR
100
ns
2.7
≤ DV
DD < 5.5
Data Transfer Time to DR (data ready)
tDODR
50
ns
2.7
≤ DV
DD < 5.5
Data Ready Pulse Low Time
tDRP
—1/DMCLK
s
2.7
≤ DV
DD < 5.5
Schmitt Trigger High-Level Input Voltage
VIH1
.7 DVDD
—DVDD + 1
V
Schmitt Trigger Low-Level Input Voltage
VIL1
-0.3
0.2 DVDD
V
Hysteresis of Schmitt Trigger Inputs
(all digital inputs)
VHYS
300
mV
Low-Level Output Voltage, SDO Pin
VOL
0.4
V
SDO pin only,
IOL = +2.0 mA, VDD = 5.0V
Low-level output voltage, DR and
MDAT Pins
VOL
——
0.4
V
DR and MDAT pins only,
IOL = +800 mA, VDD = 5.0V
High-level output voltage, SDO pin
VOH
DVDD – 0.5
V
SDO pin only,
IOH = -2.0 mA, VDD = 5.0V
High-level output voltage, DR and
MDAT pins
VOH
DVDD – 0.5
V
DR and MDAT pins only,
IOH = -800 A, VDD = 5.0V
Input leakage current
ILI
——
±1
A
CS = DVDD,
VIN = DGND or DVDD
Output leakage current
ILO
——
±1
A
CS = DVDD,
VOUT = DGND or DVDD
Internal capacitance (all inputs and
outputs)
CINT
——
7
pF
TA = 25°C,
SCK = 1.0 MHz,
DVDD = 5.0V (Note 1)
Note
1:
This parameter is periodically sampled and not 100% tested.
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