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參數(shù)資料
| 型號(hào)： | LTC1592AIG |
| 廠商： | Linear Integrated Systems |
| 英文描述： | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
| 中文描述： | 12-/14-/16-Bit SoftSpan數(shù)模轉(zhuǎn)換器，具有可編程輸出范圍 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大小： | 273K |
| 代理商： | LTC1592AIG |
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12
LTC1588/LTC1589/LTC1592
1588992fa
While not directly addressed by the simple equations in
Tables 2 and 3, temperature effects can be handled just as
easily for unipolar and bipolar applications. First, consult
an op amp’s data sheet to find the worst-case V
OS
and I
B
over temperature. Then, plug these numbers in the V
OS
and I
B
equations from Table 3 and calculate the tempera-
ture induced effects.
For applications where fast settling time is important, Appli-
cation Note 74, entitled “Component and Measurement
Advances Ensure 16-Bit DAC Settling Time” offers a thor-
ough discussion of 16-bit DAC settling time and op amp
selection.
Precision Voltage Reference Considerations
Much in the same way selecting an operational amplifier
for use with the LTC1592 is critical to the performance of
the system, selecting a precision voltage reference also
requires due diligence. The output voltage of the LTC1592
is directly affected by the voltage reference; thus, any
voltage reference error will appear as a DAC output voltage
error.
There are three primary error sources to consider when
selecting a precision voltage reference for 16-bit applica-
tions: output voltage initial tolerance, output voltage tem-
perature coefficient and output voltage noise.
Initial reference output voltage tolerance, if uncorrected,
generates a full-scale error term. Choosing a reference
APPLICATIOU
W
U
U
Table 4. Partial List of LTC Precision Amplifiers Recommended for Use with the LTC1588/LTC1589/LTC1592,
with Relevant Specifications
AMPLIFIER SPECIFICATIONS
VOLTAGE
V
OS
I
B
A
OL
NOISE
AMPLIFIER
μ
V
nA
V/mV
nV/
√
Hz
LT1001
25
2
800
10
LT1097
50
0.35
1000
14
LT1112 (Dual)
60
0.25
1500
14
LT1124 (Dual)
70
20
4000
2.7
LT1468
75
10
5000
5
LT1469 (Dual)
125
10
2000
5
CURRENT
NOISE
pA/
√
Hz
0.12
0.008
0.008
0.3
0.6
0.6
SLEW
RATE
V/
μ
s
0.25
0.2
0.16
4.5
22
22
GAIN BANDWIDTH
PRODUCT
MHz
0.8
0.7
0.75
12.5
90
90
t
SETTLING
with LTC1592
μ
s
120
120
115
19
2.5
2.5
POWER
DISSIPATION
mW
46
11
10.5/Op Amp
69/Op Amp
117
123/Op Amp
(
)
5V
V
REF
(
V
REF
)
)
5V
(
16.5k
A
VOL1
OP AMP
V
OS1
(mV)
I
B1
(nA)
A
VOL1
(V/V)
V
OS2
(mV)
I
B2
(mV)
A
VOL2
(V/V)
V
OS1
2.4
I
B1
0.0003
A1
0
0
0
INL (LSB)
(
)
5V
V
REF
(
V
REF
)
A
VOL1
)
5V
(
1.5k
(
)
66k
A
VOL2
(
131k
A
VOL1
(
131k
A
VOL1
(
)
131k
A
VOL2
(
)
131k
A
VOL2
V
OS1
0.6
I
B1
0.00008
A2
0
0
0
DNL (LSB)
(
)
5V
V
REF
5V
V
REF
(
)
V
OS1
13.2
I
B1
0.13
0
0
0
0
OUNIPOLAR
(
)
5V
V
REF
V
REF
)
5V
V
REF
5V
V
REF
(
)
V
OS1
13.2
I
B1
0.0018
REF
A5
V
OS2
26.2
I
B2
0.1
ERROR (LSB)
(
)
5V
V
REF
5V
V
REF
(
)
(
)
(
)
5V
V
REF
5V
V
REF
(
)
A3 V
OS1
19.8
I
B1
0.01
0
A4 V
OS2
13.1
A4 I
B2
0.05
A4
ERROR (LSB)
UNIPOLAR GAIN
ERROR (LSB)
(
)
5V
V
REF
5V
)
5V
5V
V
REF
)
5V
V
REF
(
)
V
OS1
13.2
I
B1
0.0018 V
A5
V
OS2
26.2
I
B2
0.1
Table 3. Easy-to-Use Equations Determine Op Amp Effects on DAC Accuracy in All Output Ranges
Table 2. Variables for Each Output Range That Adjust the
Equations in Table 3
OUTPUT RANGE
A1
5V
1.1
10V
2.2
±
5V
2
±
10V
4
±
2.5V
1
–2.5V to 7.5V
1.9
A2
2
3
2
4
1
3
A3
A4
A5
1
1.5
1.5
2.5
1
1.5
1.2
1.2
1.6
1
1
1
1
0.5
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| LTC1592BCG | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
| LTC1592BIG | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
| LTC1588 | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
| LTC1588CG | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
| LTC1588IG | 12-/14-/16-Bit SoftSpan DACs with Programmable Output Range |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1592AIG#PBF | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SoftSpan™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 設(shè)置時(shí)間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| LTC1592AIG#TR | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SoftSpan™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 設(shè)置時(shí)間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| LTC1592AIG#TRPBF | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SoftSpan™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 設(shè)置時(shí)間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| LTC1592BCG | 制造商:Linear Technology 功能描述:DAC 1-CH 16-bit 16-Pin SSOP |
| LTC1592BCG#PBF | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SoftSpan™ 標(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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