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参数资料
| 型号： | TPA5051RSATG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC16 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, QFN-16 |
| 文件页数： | 18/23页 |
| 文件大小： | 812K |
| 代理商： | TPA5051RSATG4 |
www.ti.com
DC CHARACTERISTICS
TIMING CHARACTERISTICS
(1) (2)
SCL
SDA
tw(H)
tw(L)
tsu1
th1
SCL
SDA
th2
t(buf)
tsu2
tsu3
StartCondition
StopCondition
SLOS497A – JUNE 2006 – REVISED JULY 2006
T
A = 25°C, VDD = 3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IDD
Supply current
VDD = 3.3 V, fs = 48 kHz, BCLK = 32 × fs
1.8
3
mA
IOH
High-level output current
DATA_OUT1 = DATA_OUT2 = 2.6 V
5
13
mA
IOL
Low-level output current
DATA_OUT1 = DATA_OUT2 = 0.4 V
5
13
mA
DATA1, DATA2, LRCLK1, LRCLK2, BCLK1, BCLK2, SCL,
20
A
SDA, Vi = 5.5V, VDD = 3V
IIH
High-level input current
ADD[2:0], Vi = 3.6V, VDD = 3.6V
5
A
DATA1, DATA2, LRCLK1, LRCLK2, BCLK1, BCLK2, SCL,
A
IIL
Low-level input current
1
SDA, ADD[2:0], Vi = 0V, VDD = 3.6V
For I2C Interface Signals Over Recommended Operating Conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fSCL
Frequency, SCL
No wait states
400
kHz
tw(H)
Pulse duration, SCL high
0.6
s
tw(L)
Pulse duration, SCL low
1.3
s
tsu1
Setup time, SDA to SCL
100
ns
th1
Hold time, SCL to SDA
10
ns
t(buf)
Bus free time between stop and start condition
1.3
s
tsu2
Setup time, SCL to start condition
0.6
s
th2
Hold time, start condition to SCL
0.6
s
tsu3
Setup time, SCL to stop condition
0.6
s
(1)
VPull-up = VDD
(2)
A pull-up resistor
≤2 k is required for a 5 V I2C bus voltage.
Figure 1. SCL and SDA Timing
Figure 2. Start and Stop Conditions Timing
4
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