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參數(shù)資料
| 型號： | LTC1603 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | High Speed, 16-Bit, 250ksps Sampling A/D Converter with Shutdown |
| 中文描述： | 高速，16位，250ksps的采樣與關(guān)機(jī)的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 250K |
| 代理商： | LTC1603 |
14
LTC1603
1603f
APPLICATIO
S I
FOR
ATIO
U
W
U
U
LTC1603
A
IN+
ANALOG INPUT
2V TO 2.7V
DIFFERENTIAL
A
IN–
V
REF
REFCOMP
AGND
1603 F13
1
2
3
4
5
47
μ
F
LTC1450
2V TO 2.7V
Figure 14a. CMRR vs Input Frequency
INPUT FREQUENCY (Hz)
1k
C
80
70
60
50
40
30
20
10
0
10k
100k
1603 G14a
1M
Figure 13. Driving V
REF
with a DAC
can not exceed the AV
DD
or V
SS
power supply voltages.
Integral nonlinearity errors (INL) and differential nonlin-
earity errors (DNL) are independent of the common mode
voltage, however, the bipolar zero error (BZE) will vary.
The change in BZE is typically less than 0.1% of the
common mode voltage. Dynamic performance is also
affected by the common mode voltage. THD will degrade
as the inputs approach either power supply rail, from 96dB
with a common mode of 0V to 86dB with a common mode
of 2.5V or –2.5V.
Differential inputs allow greater flexibility for accepting
different input ranges. Figure 14b shows a circuit that
converts a 0V to 5V analog input signal with only an
additional buffer that is not in the signal path.
LTC1603
A
IN+
A
IN–
V
REF
0V TO
5V
±
2.5V
REFCOMP
AGND
1603 F14b
1
2
3
4
5
10
μ
F
ANALOG INPUT
–
+
Figure 14b. Selectable 0V to 5V or
±
2.5V Input Range
Full-Scale and Offset Adjustment
Figure 15a shows the ideal input/output characteristics
for the LTC1603. The code transitions occur midway
between successive integer LSB values (i.e., –FS +
0.5LSB, –FS + 1.5LSB, –FS + 2.5LSB,... FS – 1.5LSB,
FS –
0.5LSB). The output is two’s complement binary with
1LSB = FS – (–FS)/65536 = 5V/65536 = 76.3
μ
V.
In applications where absolute accuracy is important,
offset and full-scale errors can be adjusted to zero. Offset
error must be adjusted before full-scale error. Figure 15b
shows the extra components required for full-scale error
adjustment. Zero offset is achieved by adjusting the offset
applied to the A
IN–
input. For zero offset error apply
1603 F15a
011...111
011...110
000...001
000...000
111...111
111...110
100...001
100...000
FS – 1LSB
–(FS – 1LSB)
INPUT VOLTAGE (A
IN+
– A
IN–
)
O
Figure 15a. LTC1603 Transfer Characteristics
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1603CG | High Speed, 16-Bit, 250ksps Sampling A/D Converter with Shutdown |
| LTC1603IG | High Speed, 16-Bit, 250ksps Sampling A/D Converter with Shutdown |
| LTC1604CG | Quadruple 2-Input Exclusive-OR Gates 14-PDIP 0 to 70 |
| LTC1604I | High Speed, 16-Bit, 333ksps Sampling A/D Converter with Shutdown |
| LTC1604IG | Quadruple 2-Input Exclusive-OR Gates 14-PDIP 0 to 70 |
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參數(shù)描述 |
|---|---|
| LTC1603CG | 功能描述:IC ADC W/SHUTDOWN 16BIT 36-SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
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| LTC1603CG#TR | 功能描述:IC CONV A/D 16BIT 250KSPS 36SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| LTC1603CG#TRPBF | 功能描述:IC ADC W/SHUTDOWN 16BIT 36-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| LTC1603IG | 功能描述:IC CONV A/D 16BIT 250KSPS 36SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
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