APPLICATIONS INFOR
參數(shù)資料
型號(hào): LTC1603CG
廠商: Linear Technology
文件頁(yè)數(shù): 6/20頁(yè)
文件大小: 0K
描述: IC ADC W/SHUTDOWN 16BIT 36-SSOP
標(biāo)準(zhǔn)包裝: 37
位數(shù): 16
采樣率(每秒): 250k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 350mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 36-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 36-SSOP
包裝: 管件
輸入數(shù)目和類型: 2 個(gè)單端,雙極;1 個(gè)差分,雙極
14
LTC1603
1603f
APPLICATIONS INFORMATION
WU
U
LTC1603
AIN
+
ANALOG INPUT
2V TO 2.7V
DIFFERENTIAL
AIN
VREF
REFCOMP
AGND
1603 F13
1
2
3
4
5
47
F
LTC1450
2V TO 2.7V
Figure 14a. CMRR vs Input Frequency
INPUT FREQUENCY (Hz)
1k
COMMON
MODE
REJECTION
(dB)
80
70
60
50
40
30
20
10
0
10k
100k
1603 G14a
1M
Figure 13. Driving VREF with a DAC
can not exceed the AVDD or VSS 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
AIN
+
AIN
VREF
0V TO
5V
±2.5V
REFCOMP
AGND
1603 F14b
1
2
3
4
5
10
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
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 AIN– 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 (AIN
+ – A
IN
)
OUTPUT
CODE
Figure 15a. LTC1603 Transfer Characteristics
相關(guān)PDF資料
PDF描述
MS27467T13A98SB CONN PLUG 10POS STRAIGHT W/SCKT
VI-B3J-IV-S CONVERTER MOD DC/DC 36V 150W
AD7715AR-5 IC ADC 16BIT 5V 16-SOIC
MS27467E13A8S CONN PLUG 8POS STRAIGHT W/SCKT
SP202ECT-L/TR IC DVR/RCVR RS232 QUAD 16WSOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1603CG#PBF 功能描述:IC ADC SMPL SHTDWN 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:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率(每秒):20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散(最大):155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP(7x7) 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端,單極;2 個(gè)差分,單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
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(gè)單端,單極;1 個(gè)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(gè)單端,單極;1 個(gè)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(gè)單端,單極;1 個(gè)單端,雙極
LTC1603IG#PBF 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(gè)單端,單極;1 個(gè)單端,雙極