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參數(shù)資料
| 型號： | LTC2600CGN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | DAC |
| 英文描述： | Octal 16-/14-/12-Bit Rail-to-Rail DACs in 16-Lead SSOP |
| 中文描述： | SERIAL INPUT LOADING, 10 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 428K |
| 代理商： | LTC2600CGN |
12
LTC2600/LTC2610/LTC2620
2600fa
OPERATIOU
C3
COMMAND
ADDRESS
DATA (16 BITS)
C2
C1
C0 A3 A2 A1
A0
D13
D14
D15
MSB
D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1 D0
2600 TBL01
LSB
INPUT WORD (LTC2600)
shows the 32-bit sequence. The 32-bit word is required for
daisy-chain operation, and is also available to accommo-
date microprocessors which have a minimum word width
of 16 bits (2 bytes).
Daisy-Chain Operation
The serial output of the shift register appears at the SDO
pin. Data transferred to the device from the SDI input is
delayed 32 SCK rising edges before being output at the
next SCK falling edge.
The SDO output can be used to facilitate control of multiple
serial devices from a single 3-wire serial port (i.e., SCK,
SDI and CS/LD). Such a “daisy chain” series is configured
by connecting SDO of each upstream device to SDI of the
next device in the chain. The shift registers of the devices
are thus connected in series, effectively forming a single
input shift register which extends through the entire chain.
Because of this, the devices can be addressed and con-
trolled individually by simply concatenating their input
words; the first instruction addresses the last device in the
chain and so forth. The SCK and CS/LD signals are
common to all devices in the series.
In use, CS/LD is first taken low. Then the concatenated
input data is transferred to the chain, using SDI of the first
device as the data input. When the data transfer is com-
plete, CS/LD is taken high, completing the instruction
sequence for all devices simultaneously. A single device
can be controlled by using the no-operation command
(1111) for the other devices in the chain.
Power-Down Mode
For power-constrained applications, power-down mode
can be used to reduce the supply current whenever less
than eight outputs are needed. When in power-down, the
buffer amplifiers and reference inputs are disabled, and
draw essentially zero current. The DAC outputs are put into
a high-impedance state, and the output pins are passively
pulled to ground through individual 90k resistors. When
all eight DACs are powered down, the master bias genera-
tion circuit is also disabled. Input- and DAC-register
contents are not disturbed during power-down.
Any channel or combination of channels can be put into
power-down mode by using command 0100
b
in combina-
tion with the appropriate DAC address, (n). The 16-bit data
word is ignored. The supply and reference currents are
reduced by approximately 1/8 for each DAC powered
down; the effective resistance at REF (pin 6) rises accord-
ingly, becoming a high-impedance input (typically > 1G
)
when all eight DACs are powered down.
Normal operation can be resumed by executing any com-
mand which includes a DAC update, as shown in Table 1.
INPUT WORD (LTC2610)
INPUT WORD (LTC2620)
C3
COMMAND
ADDRESS
DATA (14 BITS + 2 DON’T-CARE BITS)
C2
C1
C0 A3 A2 A1
A0
D13 D12 D11 D10 D9
MSB
D8
D7
D6
D5
D4
D3
D2
D1 D0
X
X
2600 TBL02
LSB
C3
COMMAND
ADDRESS
DATA (12 BITS + 4 DON’T-CARE BITS)
C2
C1
C0 A3 A2 A1
A0
D11 D10 D9
MSB
D8
D7
D6
D5
D4
D3
D2
D1 D0
X
X
X
X
2600 TBL03
LSB
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2600IGN | Octal 16-/14-/12-Bit Rail-to-Rail DACs in 16-Lead SSOP |
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| LTC2612CMS8 | Dual 16-/14-/12-Bit Rail-to-Rail DACs in 8-Lead MSOP |
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| LTC2602CMS8 | Dual 16-/14-/12-Bit Rail-to-Rail DACs in 8-Lead MSOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2600CGN#PBF | 功能描述:IC DAC OCTAL R-R 16BIT 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
| LTC2600CGN#PBF | 制造商:Linear Technology 功能描述:IC 16BIT DAC OCTAL RR 16SSOP 制造商:Linear Technology 功能描述:IC, 16BIT DAC, OCTAL, RR, 16SSOP |
| LTC2600CGN#TR | 功能描述:IC DAC R-R 16-BIT OCTAL 16-SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| LTC2600CGN#TRPBF | 功能描述:IC DAC OCTAL R-R 16BIT 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| LTC2600CGNPBF | 制造商:Linear Technology 功能描述:DAC 16-Bit Octal Rail-to-Rail Out SSOP16 |
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