MAX1958中文資料美信數(shù)據(jù)手冊PDF規(guī)格書
MAX1958規(guī)格書詳情
General Description
The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail? operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in W-CDMA and N-CDMA cell phones.
Features
? Step-Down Converter
??? Dynamically Adjustable Output Voltage from
??? 0.75V to 3.4V (MAX1958)
??? Dynamically Adjustable Output Voltage from
??? 1V to 3.6V (MAX1959)
??? 800mA Guaranteed Output Current
??? 130mV IC Dropout at 600mA Load
??? Low Quiescent Current
??????? 190μA (typ) in Skip Mode (MAX1958)
??????? 3mA (typ) in PWM Mode
??????? 0.1μA (typ) in Shutdown Mode
??? 1MHz Fixed-Frequency PWM operation
??? 16 to 100 Duty-Cycle Operation
No External Schottky Diode Required Soft-Start
? Operational Amplifier
??? 5mA Rail-to-Rail Output
??? Active Discharge in Shutdown
??? 800kHz Gain-Bandwidth Product
??? 120dB Open-Loop Voltage Gain (RL = 100k?)
? Temperature Sensor
??? Accurate Sensor -11.7mV/°C Slope
??? -40°C to +125°C-Rated Temperature Range
? 20-Pin Thin QFN (5mm ? 5mm), 0.8mm Height (max)
Applications
??? W-CDMA and N-CDMA Cellular Phones
??? Wireless PDAs and Modems
產(chǎn)品屬性
- 型號：
MAX1958
- 功能描述：
模數(shù)轉(zhuǎn)換器 - ADC
- RoHS：
否
- 制造商：
Texas Instruments
- 通道數(shù)量：
2
- 結(jié)構(gòu)：
Sigma-Delta
- 轉(zhuǎn)換速率：
125 SPs to 8 KSPs
- 分辨率：
24 bit
- 輸入類型：
Differential
- 信噪比：
107 dB
- 接口類型：
SPI
- 工作電源電壓：
1.7 V to 3.6 V, 2.7 V to 5.25 V
- 最大工作溫度：
+ 85 C
- 安裝風格：
SMD/SMT
- 封裝/箱體：
VQFN-32
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MAXIM |
2020+ |
MSOP10 |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
MAXIM |
24+ |
QFN56 |
9860 |
全新原裝現(xiàn)貨/假一罰百! |
詢價 | ||
MAXIM |
MSOP10 |
899933 |
集團化配單-有更多數(shù)量-免費送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價 | |||
MAXIM |
23+ |
QFN56 |
3200 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售! |
詢價 | ||
24+ |
3000 |
公司現(xiàn)貨 |
詢價 | ||||
MAXIM/美信 |
22+ |
MSOP10 |
9600 |
原裝現(xiàn)貨,優(yōu)勢供應,支持實單! |
詢價 | ||
MAXIM |
05+ |
100 |
原裝正品 |
詢價 | |||
MAXIM |
2020+ |
SMD |
4500 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價 | ||
MAXIM |
2023+ |
QFN56 |
80000 |
一級代理/分銷渠道價格優(yōu)勢 十年芯程一路只做原裝正品 |
詢價 | ||
MAXIM |
23+ |
MSOP10 |
1 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 |
