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參數(shù)資料
| 型號(hào)： | TC1322EUART |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 10 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大?。?/td> | 65K |
| 代理商： | TC1322EUART |
3
TC1322-1
6/23/00
TC1322
12-Bit Digital-to-Analog Converter
with Two-Wire Interface
2001 Microchip Technology Inc.
DS21388A
SERIAL PORT AC TIMING: VDD = 2.7V to 5.5V, –40°C ≤ (TA = TJ) ≤ 85°C; CL = 80pF, unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
fSMB
SMBus Clock Frequency
10
—
100
kHz
tIDLE
Bus Free Time Prior to New Transition
4.7
—
sec
tH(START)
Start Condition Hold Time
4.0
—
sec
tSU(START)
Start Condition Setup Time
90% SCL to 10% SDA
4.7
—
sec
(for repeated Start Condition)
tSU(STOP)
Stop Condition Setup Time
4.0
—
sec
tH-DATA
Data In Hold Time
100
—
nsec
tSU-DATA
Data In Setup Time
100
—
nsec
tLOW
Low Clock Period
10% to 10%
4.7
—
sec
tHIGH
High Clock Period
90% to 90%
4
—
sec
tF
SMBus Fall Time
90% to 10%
—
300
nsec
tR
SMBus Rise Time
10% to 90%
—
1000
nsec
tPOR
Power-On Reset Delay
VDD ≥ VPOR (Rising Edge)
—
500
—
sec
DYNAMIC PERFORMANCE: (VDD = 2.7V to 5.5V, –40°C ≤ TA ≤ 85°C, unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
SR
Voltage Output Slew Rate
—
0.8
—
V/
s
tSETTLE
Output Voltage Full Scale Settling Time
—
10
—
sec
tWU
Wake-up Time
—
20
—
s
Digital Feedthrough and Crosstalk
SDA = VDD, SCL = 100kHz
—
5
—
nV-s
SERIAL PORT INTERFACE: (VDD = 2.7V to 5.5V, –40°C ≤ TA ≤ 85°C, unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VIH
Logic Input High
2.4
—
VDD
V
VIL
Logic Input Low
—
0.6
V
VOL
SDA Output Low
IOL = 3 mA (Sinking Current)
—
0.4
V
IOL = 6 mA
—
0.6
V
CIN
Input Capacitance SDA, SCL
—
5
—
pF
ILEAK
I/O Leakage
—
±1
A
Pin No.
Symbol
Type
Description
1VREF
Input
Voltage Reference Input
2
SDA
Bi-Directional
SMBUS Serial Data
3
SCL
Input
SMBUS Serial Clock
4
GND
Input
System Ground
5
VOUT
Output
Buffered DAC Output
6
NC
None
Not Connected
7
DAC_OUT
Output
Unbuffered DAC Output
8VDD
Power
Positive Power Supply Input
PIN DESCRIPTION
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