參數(shù)資料
型號: THS1230CDWR
廠商: Texas Instruments
文件頁數(shù): 22/25頁
文件大小: 0K
描述: IC 12 BIT 30 MSPS A/D 28-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 12
采樣率(每秒): 30M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 220mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,單極
配用: 296-10012-ND - EVALUATION MODULE FOR THS1230
www.ti.com
ELECTRICAL CHARACTERISTICS (CONTINUED)
1.5 V
BAND
GAP
REFT
REFB
CT
CB
CTB
THS1230
SLAS291B – OCTOBER 2000 – REVISED MARCH 2004
over recommended operating conditions (AV
DD = DVDD = 3.3 V, fs = 30 MHz/50% duty cycle, MODE = 1, 1-V input span,
internal reference, T
min to Tmax) (unless otherwise noted)
REFT, REFB REFERENCE VOLTAGES (all supplies = 3.3 V)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
INTERNAL REFERENCE(1)
VREFT
Upper reference voltage
2.15
VREFB
Lower reference voltage
1.15
V
VREF
Differential reference voltage, VREFT – VREFB
0.95
1
1.05
Differential reference voltage, VREFT – VREFB accuracy
–5%
5%
EXTERNAL REFERENCE
Externally applied VREFT reference voltage range
2
2.5
Externally applied VREFB reference voltage range
1.05
1.3
V
Externally applied (VREFT – VREFB) reference voltage range
0.75
1.05
External mode VREFT to VREFB impedance
9
k
INTERNAL OR EXTERNAL REFERENCE
CT
VREFT decoupling capacitor value
0.1
CB
VREFB decoupling capacitor value
0.1
F
CTB
Decoupling capacitor VREFT to VREFB
10
(1)
The internal reference voltage is not intended for use driving off chip.
Figure 1. Reference Generation
6
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