參數(shù)資料
型號: MAX11040KGUU+T
廠商: Maxim Integrated Products
文件頁數(shù): 8/35頁
文件大?。?/td> 0K
描述: IC ADC 24BIT 4CH 38TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 3.07M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 1.1W
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 38-TFSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 38-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個差分,雙極
MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
16
Maxim Integrated
|AIN+ - AIN-|
FULL SCALE
(|0.88VREF|)
FAULT-DETECTION
THRESHOLD
(VPFT OR |VNFT|)
FAULT
OVRFLW
RECOVERY TIME
LATENCY
DIGITAL OUTPUT
DATA AT DOUT
LATENCY
Figure 5. Low-Frequency Analog Input Overvoltage Detection and Recovery
Reference
The devices operate with either a +2.5V internal
bandgap reference or an external reference source
between +2.3V and +2.7V applied at REFIO. Bypass
REFIO and each REF_ to AGND with a 1μF capacitor.
The reference voltage sets the positive and negative
full-scale voltage according to the following formula:
±FS = ±0.88 VREFIO
The reference voltage at REFIO (external or internal) is
individually buffered to generate the reference voltages
at REF0 to REF3 (see Figure 6.) These independent
buffers minimize the potential for crosstalk between
each of the internal ADCs.
Serial Interface
The devices’ interface is fully compatible with SPI/DSP
standard serial interfaces (compatible with SPI modes
CPOL = 1, CPHA = 0). The serial interface provides
access to four on-chip registers: Sampling Instant
Control register (32 bits), Data Rate Control register (16
bits), Configuration register (8 bits), and Data register
(96 bits). All serial-interface commands begin with a
command byte, which addresses a specific register,
followed by data bytes with a data length that depends
on the specific register addressed and the number of
devices cascaded (see Figures 7, 8, and the
Registers
section).
The serial interface consists of eight signals: CS,
SCLK, DIN, DOUT, CASCIN, CASCOUT, DRDYIN,
and DRDYOUT. CASCIN, CASCOUT, DRDYIN, and
DRDYOUT are used for daisy chaining multiple devices
together. See the
Multiple Device Connection section
for details on how to connect CASCIN, CASCOUT,
+2.5V
REFERENCE
REFIO
REF3
REF2
REF1
REF0
Figure 6. REFIO Input
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