參數(shù)資料
型號： PCF8591T-T
廠商： NXP SEMICONDUCTORS
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO16
封裝： 7.50 MM, PLASTIC, SOT162-1, SO-16
文件頁數(shù)： 8/28頁
文件大?。?/td> 139K
代理商： PCF8591T-T
2003 Jan 27
16
Philips Semiconductors
Product specication
8-bit A/D and D/A converter
PCF8591
11 DC CHARACTERISTICS
VDD = 2.5 V to 6 V; VSS =0V; Tamb = 40 °Cto +85 °C unless otherwise specied.
Notes
1. The power on reset circuit resets the I2C-bus logic when VDD is less than VPOR.
2. A further extension of the range is possible, if the following conditions are fulfilled:
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VDD
supply voltage (operating)
2.5
6.0
V
IDD
supply current
standby
VI =VSS or VDD; no load
115
A
operating, AOUT off
fSCL = 100 kHz
125
250
A
operating, AOUT active
fSCL = 100 kHz
0.45
1.0
mA
VPOR
Power-on reset level
note 1
0.8
2.0
V
Digital inputs/output: SCL, SDA, A0, A1, A2
VIL
LOW level input voltage
0
0.3
× VDD V
VIH
HIGH level input voltage
0.7
× VDD
VDD
V
IL
leakage current
A0, A1, A2
VI =VSS to VDD
250
+250
nA
SCL, SDA
VI =VSS to VDD
1
+1
A
Ci
input capacitance
5pF
IOL
LOW level SDA output current
VOL = 0.4 V
3.0
mA
Reference voltage inputs
VREF
reference voltage
VREF >VAGND; note 2
VSS + 1.6
VDD
V
VAGND
analog ground voltage
VREF >VAGND; note 2
VSS
VDD 0.8 V
ILI
input leakage current
250
+250
nA
RREF
input resistance
pins VREF and AGND
100
k
Oscillator: OSC, EXT
ILI
input leakage current
250
nA
fOSC
oscillator frequency
0.75
1.25
MHz
V
REF
V
AGND
+
2
--------------------------------------
0.8V
≥
V
DD
V
REF
V
AGND
+
2
--------------------------------------
–
0.4V
≥
,
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