參數資料
型號： MAX5158
廠商： Maxim Integrated Products, Inc.
英文描述： Mono Class-AB Audio Amplifier with Stereo Headphone Drive--Separate Inputs 10-MSOP-PowerPAD -40 to 85
中文描述： 低功耗、雙路、10位、電壓輸出DAC，串行接口
文件頁數： 14/16頁
文件大?。?/td> 181K
代理商： MAX5158
M
produce a range of 0V to 2.5V with a 1.25V reference.
Table 2 lists the unipolar output codes. An offset to the
output can be achieved by connecting a voltage to
OS_, as shown in Figure 10. By applying V
OS
_ = -1V,
the output values will range between 1V and (1V +
V
REF
x 2).
Bipolar Output
The MAX5158/MAX5159 can be configured for a bipo-
lar output, as shown in Figure 11. The output voltage is
given by the equation (OS_ = AGND):
V
OUT
= V
REF
[((2 x NB) / 1024) - 1]
where NB represents the numeric value of the DAC’s
binary input code. Table 3 shows digital codes and the
corresponding output voltage for Figure 11’s circuit.
14
______________________________________________________________________________________
Using an AC Referenc e
In applications where the reference has an AC signal
component, the MAX5158/MAX5159 have multiplying
capabilities within the reference input voltage range
specifications. Figure 12 shows a technique for apply-
ing a sinusoidal input to REF_, where the AC signal is
offset before being applied to the reference input.
Harmonic Distortion and Noise
The total harmonic distortion plus noise (THD+N) is typ-
ically less than -78dB at full scale with a 1Vp-p input
swing at 5kHz. The typical -3dB frequency is 300kHz
for both devices, as shown in the Typical Operating
Characteristics.
Low-Power, Dual, 10-Bit Voltage-Output DACs
with S erial Interfac e
Table 3. Bipolar Code Table
ANALOG OUTPUT
11
1111
1111 (000)
10
0000
0001 (000)
DAC CONTENTS
MSB
LSB
10
0000
0000 (000)
0V
01
1111
1111 (000)
00
0000
0000 (000)
00
0000
0001 (000)
+V
511
512
REF
+V
1
512
REF
-V
1
512
REF
-V
511
512
REF
-V
512
512
- V
REF
REF
AGND
DGND
R
R
MAX5158
MAX5159
DAC _
REF_
OS_
OUT_
10k
10k
10k
10k
V-
V+
V
DD
V
OUT
+5V/+3V
Figure 11. Bipolar Output Circuit
DAC_
OUT_
MAX5158
MAX5159
10k
26k
OS_
REF
R
R
V
DD
DGND
AGND
+5V/
+3V
AC
REFERENCE
INPUT
500mVp-p
MAX495
+5V/+3V
Figure 12. AC Reference Input Circuit
AGND
DIN
μ
P
DGND
MAX5158
MAX5159
DAC _
REF_
OS_
OUT_
R
R
V-
V+
PHOTODIODE
V+
V
DD
V
OUT
R
PULLDOWN
+5V/+3V
Figure 13. Digital Calibration
Note:
( ) are for the sub bits.
相關PDF資料
PDF描述
MAX5158EEE Low-Power, Dual, 10-Bit, Voltage-Output DACs with Serial Interface
MAX5159EEE Low-Power, Dual, 10-Bit, Voltage-Output DACs with Serial Interface
MAX5159EPE Low-Power, Dual, 10-Bit, Voltage-Output DACs with Serial Interface
MAX5158CPE Stereo 2-W Audio Power Amp with 4 Selectable Gain Settings and MUX Control 24-HTSSOP -40 to 85
MAX5158EPE Low-Power, Dual, 10-Bit, Voltage-Output DACs with Serial Interface
相關代理商/技術參數
參數描述
MAX5158CEE 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5158CEE+ 功能描述:數模轉換器- DAC 10-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5158CEE+T 功能描述:數模轉換器- DAC 10-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5158CEE-T 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5158CPE 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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