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參數(shù)資料
| 型號： | LTC1668C |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Replaced by TLV5617A : 10-Bit Dual DAC 8-SOIC |
| 中文描述： | 16位，50 MSPS的數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 728K |
| 代理商： | LTC1668C |
1
LTC1668
16-Bit, 50Msps DAC
February 2000
I
50Msps Update Rate
I
16-Bit Resolution
I
High Spectral Purity: 87dB SFDR at 1MHz f
OUT
I
Differential Current Outputs
I
30ns Settling Time
I
5pV-s Glitch Impulse
I
Low Power: 180mW from
±
5V Supplies
I
TTL/CMOS (3.3V or 5V) Inputs
I
Small Package: 28-Pin SSOP
The LTC
1668 is a 16-bit, 50Msps differential current
output DAC implemented on a high performance BiCMOS
process with laser trimmed, thin-film resistors. The com-
bination of a novel current-steering architecture and a
high performance process produces a DAC with excep-
tional AC and DC performance. This is the first 16-bit DAC
in the marketplace to exhibit an SFDR (spurious free
dynamic range) of 87dB for an output signal frequency of
1MHz.
Operating from
±
5V supplies, the LTC1668 can be con-
figured to provide full-scale output currents up to 10mA.
The differential current outputs of the DAC allow single-
ended or true differential operation. The –1V to 1V output
compliance of the LTC1668 allows the outputs to be con-
nected directly to external resistors to produce a differ-
ential output voltage without degrading the converter’s
linearity. Alternatively, the outputs can be connected to the
summing junction of a high speed operational amplifier,
or to a transformer.
The LTC1668 is available in a 28-pin SSOP and is fully
specified over the industrial temperature range.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Cellular Base Stations
I
Multicarrier Base Stations
I
Wireless Communication
I
Direct Digital Synthesis (DDS)
I
xDSL Modems
I
Arbitrary Waveform Generation
I
Automated Test Equipment
I
Instrumentation
16-Bit, 50Msps DAC
Final Electrical Specifications
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
–
+
16-BIT
HIGH SPEED
DAC
2.5V
REFERENCE
V
SS
V
DD
–5V
CLOCK
INPUT
16-BIT DATA
INPUT
LADCOM
AGND
DGND
CLK
DB15
DB0
1668 TA01
I
OUT A
0.1
μ
F
LTC1668
5V
52.3
I
REFIN
REFOUT
COMP1
COMP2
C2
0.1
μ
F
0.1
μ
F
C1
0.1
μ
F
R
SET
2k
I
OUT B
52.3
V
OUT
–
1V
DIFFERENTIAL
+
0.1
μ
F
FREQUENCY (1.25MHz/DIV)
0.05
S
–45
–25
–5
1668 G01
–65
–85
–55
–35
–15
–75
–95
–105
6.3
12.55
f
CLOCK
= 25Msps
f
= 1.007MHz
AMPLITUDE = 0dBFS
= –8.5dBm
SFDR = 86dBc
Single Tone SFDR
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1668IG | CONNECTOR ACCESSORY |
| LTC1668CG | Replaced by TLV5617A : 10-Bit Dual DAC 8-SOIC |
| LTC1668I | Replaced by TLV5617A : 10-Bit Dual DAC 8-SOIC |
| LTC1669 | Replaced by TLV5617A : 10-Bit, 2.5 us Dual DAC, Serial Input, Pgrmable Settling Time, Simultaneous Update, Low Power 8-SOIC 0 to 70 |
| LTC1669-1CS5 | 10-Bit Rail-to-Rail Micropower DAC with I2C Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1668CG | 功能描述:IC D/A CONV 16BIT 50MSPS 28-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(xùn)模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設(shè)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(yīng)商設(shè)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 |
| LTC1668CG#PBF | 功能描述:IC DAC 16BIT 50MSPS 28-SSOP 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設(shè)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(yīng)商設(shè)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) |
| LTC1668CG#TR | 功能描述:IC DAC 16BIT 50MSPS 28SSOP 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(xùn)模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設(shè)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(yīng)商設(shè)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 |
| LTC1668CG#TRPBF | 功能描述:IC D/A CONV 16BIT 50MSPS 28-SSOP 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(xùn)模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設(shè)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(yīng)商設(shè)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 |
| LTC1668CGPBF | 制造商:Linear Technology 功能描述:DAC 16-Bit 50Msps Spectral Purity SSOP28 |
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