參數(shù)資料
型號: LTC2435-1CGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 20-Bit No Latency ADCs with Differential Input and Differential Reference
中文描述: 1-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁數(shù): 21/40頁
文件大?。?/td> 463K
代理商: LTC2435-1CGN
LTC2435/LTC2435-1
21
24351fa
When testing EOC, if the conversion is complete (EOC = 0),
the device will exit the sleep state and enter the data output
state. In order to allow the device to return to the sleep
state, CS must be pulled HIGH before the first rising edge
of SCK. In the internal SCK timing mode, SCK goes HIGH
and the device begins outputting data at time t
EOCtest
after
the falling edge of CS (if EOC = 0) or t
EOCtest
after EOC goes
LOW (if CS is LOW during the falling edge of EOC). The
value of t
EOCtest
is 23
μ
s (LTC2435), 26
μ
s (LTC2435-1) if
the device is using its internal oscillator (F
0
= logic LOW or
APPLICATIU
W
U
U
Figure 10. External Serial Clock, CS = 0 Operation (2-Wire)
Figure 11. Internal Serial Clock, Single Cycle Operation
EOC
BIT 23
SDO
SCK
(EXTERNAL)
CS
MSB
LSB
SIG
BIT 0
BIT 5
BIT 19
BIT 18
BIT 20
BIT 21
BIT 22
DATA OUTPUT
CONVERSION
2435 F10
CONVERSION
V
CC
F
O
REF
+
REF
SCK
IN
+
IN
GND
SDO
CS
2
14
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO V
CC
ANALOG INPUT RANGE
–0.5V
REF
TO 0.5V
REF
2-WIRE
INTERFACE
1
μ
F
2.7V TO 5.5V
LTC2435/
LTC2435-1
= 50Hz REJECTION (LTC2435)
= EXTERNAL OSCILLATOR
= 60Hz REJECTION (LTC2435)
= 50Hz/60Hz REJECTION (LTC2435-1)
V
CC
SDO
SCK
(INTERNAL)
CS
MSB
LSB
SIG
BIT 0
BIT 5
TEST EOC
BIT 19
BIT 18
BIT 20
BIT 21
BIT 22
EOC
BIT 23
SLEEP
SLEEP
DATA OUTPUT
CONVERSION
CONVERSION
2435 F11
<t
EOCtest
V
CC
10k
Hi-Z
Hi-Z
Hi-Z
Hi-Z
TEST EOC
V
CC
F
O
REF
+
REF
SCK
IN
+
IN
GND
SDO
CS
2
14
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO V
CC
ANALOG INPUT RANGE
–0.5V
REF
TO 0.5V
REF
3-WIRE
SPI INTERFACE
1
μ
F
2.7V TO 5.5V
LTC2435/
LTC2435-1
= 50Hz REJECTION (LTC2435)
= EXTERNAL OSCILLATOR
= 60Hz REJECTION (LTC2435)
= 50Hz/60Hz REJECTION (LTC2435-1)
V
CC
相關(guān)PDF資料
PDF描述
LTC2435CGN 20-Bit No Latency ADCs with Differential Input and Differential Reference
LTC2436-1IGN 2-Channel Differential Input 16-Bit No Latency DS ADC
LTC2436-1 2-Channel Differential Input 16-Bit No Latency DS ADC
LTC2436-1CGN 2-Channel Differential Input 16-Bit No Latency DS ADC
LTC2439-1CGN 8-/16-Channel 16-Bit No Latency Delta-Sigma ADC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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