參數(shù)資料
型號(hào)： CS5512-BSZ
廠商： Cirrus Logic Inc
文件頁(yè)數(shù)： 3/26頁(yè)
文件大小： 0K
描述： IC ADC 20BIT EXTERNAL OSC 8-SOIC
標(biāo)準(zhǔn)包裝： 100
位數(shù)： 20
采樣率（每秒）： 326
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 2.5mW
電壓電源： 雙 ±
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 管件
輸入數(shù)目和類型： 1 個(gè)差分，雙極
CS5510/11/12/13
DS337F4
11
CS5512/13. The CS5510/11 follow the same
curve, but are limited to 16 bits of resolution. Note
that the reference voltage should not be estab-
lished prior to having the supply voltages on the V+
and V- pins.
2.2.1
Voltage Reference Input Model
Figure 5 illustrates the input model for the VREF
pin. It includes a coarse/fine charge buffer which
reduces the dynamic current demand of the exter-
nal reference. Typical CVF (sampling) current is
about 6 nA (See Figure 5).
The nominal input span of the converter is defined
to be a bipolar span equal to ±(VREF - V-)*(0.80
±0.08).
2.3
Power Supply Arrangements
The CS5510/11/12/13 are designed to operate
from single or dual supplies. Figure 6 illustrates the
CS5510/11/12/13 connected with a single +5 V
supply to measure differential inputs relative to a
common mode of 2.5 V. Figure 7 illustrates the
CS5510/11/12/13 connected with ±2.5 V analog
supplies to measure ground-referenced, bipolar
signals. It is not necessary that the dual supples on
the ADCs be balanced, however, they must sum to
five volts. Figure 8 illustrates the ADCs configured
with V+ = +3.3 V and V- = -1.7 V, accommodating
a +3.3 V digital supply.
2.3.1
Digital Logic Levels
The many power supply configurations available in
the CS5510/11/12/13 allow for a wide range of dig-
ital logic levels. The logic-high input and output lev-
els are determined by the V+ pin. The logic-low
output on SDO is referenced to and driven by the
current logic-low voltage on CS. Since the
CS5510/11/12/13 do not include a dedicated
13
14
15
16
17
00.5
1
1.522.533.5
44.5
5
VREF (V)
Effective
Bits
Figure 4. CS5512/13 Measured Noise-Free Bits vs.
VREF.
VREF
C = 7pF
2
φ
1
φ
V
≤ 25 mV
os
i
= fV
C
os
n
f = 32.768 kHz
Coarse
Fine
Figure 5. Input model for VREF pin.
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CS5513 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16-bit and 20-bit, 8-pin ΔΣ ADCs
CS5513-BS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Delta Sigma ADC Int. OSC 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
CS5513-BSR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 20-Bit 8-Pin Delta Sigma 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
CS5513-BSZ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Delta Sigma ADC Int. OSC 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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