參數(shù)資料
型號: PCM1792DBG4
廠商: Texas Instruments
文件頁數(shù): 18/61頁
文件大?。?/td> 0K
描述: IC DAC 24BIT STER 192KHZ 28-SSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 47
位數(shù): 24
數(shù)據(jù)接口: I²C,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
輸出數(shù)目和類型: 2 電壓,單極
采樣率(每秒): 200k
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
25
TIMING DIAGRAM
SDA
SCL
t(BUF)
t(D-SU)
t(D-HD)
Start
t(LOW)
t(S-HD)
t(SCL-F)
t(SCL-R)
t(HI)
Repeated Start
t(RS-SU)
t(RS-HD)
t(SDA-F)
t(SDA-R)
t(P-SU)
Stop
t(SP)
TIMING CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
MAX
UNIT
f(SCL)
SCL clock frequency
Standard
100
kHz
f(SCL)
SCL clock frequency
Fast
400
kHz
t(BUF)
Bus free time between stop and start conditions
Standard
4.7
s
t(BUF)
Bus free time between stop and start conditions
Fast
1.3
s
t(LOW)
Low period of the SCL clock
Standard
4.7
s
t(LOW)
Low period of the SCL clock
Fast
1.3
s
t(HI)
High period of the SCL clock
Standard
4
s
t(HI)
High period of the SCL clock
Fast
600
ns
t(RS-SU)
Setup time for (repeated) start condition
Standard
4.7
s
t(RS-SU)
Setup time for (repeated) start condition
Fast
600
ns
t(S-HD)
Hold time for (repeated) start condition
Standard
4
s
t(RS-HD)
Hold time for (repeated) start condition
Fast
600
ns
t(D-SU)
Data setup time
Standard
250
ns
t(D-SU)
Data setup time
Fast
100
ns
t(D-HD)
Data hold time
Standard
0
900
ns
t(D-HD)
Data hold time
Fast
0
900
ns
t(SCL-R)
Rise time of SCL signal
Standard
20 + 0.1 CB
1000
ns
t(SCL-R)
Rise time of SCL signal
Fast
20 + 0.1 CB
300
ns
t(SCL-R1)
Rise time of SCL signal after a repeated start condition and after an
Standard
20 + 0.1 CB
1000
ns
t(SCL-R1)
Rise time of SCL signal after a repeated start condition and after an
acknowledge bit
Fast
20 + 0.1 CB
300
ns
t(SCL-F)
Fall time of SCL signal
Standard
20 + 0.1 CB
1000
ns
t(SCL-F)
Fall time of SCL signal
Fast
20 + 0.1 CB
300
ns
t(SDA-R)
Rise time of SDA signal
Standard
20 + 0.1 CB
1000
ns
t(SDA-R)
Rise time of SDA signal
Fast
20 + 0.1 CB
300
ns
t(SDA-F)
Fall time of SDA signal
Standard
20 + 0.1 CB
1000
ns
t(SDA-F)
Fall time of SDA signal
Fast
20 + 0.1 CB
300
ns
t(P-SU)
Setup time for stop condition
Standard
4
s
t(P-SU)
Setup time for stop condition
Fast
600
ns
C(B)
Capacitive load for SDA and SCL line
400
pF
t(SP)
Pulse duration of suppressed spike
Fast
50
ns
VNH
Noise margin at high level for each connected device (including hysteresis)
Standard
VNH
Noise margin at high level for each connected device (including hysteresis)
Fast
0.2 VDD
V
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