参数资料
型号: DSD1792ADBG4
厂商: Texas Instruments
文件页数: 34/57页
文件大小: 0K
描述: IC DAC 24BIT SER 28-SSOP
产品培训模块: Data Converter Basics
标准包装: 47
位数: 24
数据接口: 串行
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 335mW
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
输出数目和类型: 4 电流,单极
采样率(每秒): 200k
DSD1792
SLES067B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
4
ELECTRICAL CHARACTERISTICS (Continued)
all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data unless otherwise noted
PARAMETER
TEST CONDITIONS
DSD1792DB
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DYNAMIC PERFORMANCE (MONO MODE) (1)(2)
fS = 44.1 kHz
0.0004%
THD+N at VOUT = 0 dB
fS = 96 kHz
0.0008%
THD+N at VOUT = 0 dB
fS = 192 kHz
0.0015%
EIAJ, A-weighted, fS = 44.1 kHz
132
Dynamic range
EIAJ, A-weighted, fS = 96 kHz
132
dB
Dynamic range
EIAJ, A-weighted, fS = 192 kHz
132
dB
EIAJ, A-weighted, fS = 44.1 kHz
132
Signal-to-noise ratio
EIAJ, A-weighted, fS = 96 kHz
132
dB
Signal-to-noise ratio
EIAJ, A-weighted, fS = 192 kHz
132
dB
DSD MODE DYNAMIC PERFORMANCE (1) (3) (44.1 kHz, 64 fS)
THD+N at FS
4.5 V rms
0.0005%
Dynamic range
–60 dB, EIAJ, A-weighted
128
dB
Signal-to-noise ratio
EIAJ, A-weighted
128
dB
ANALOG OUTPUT
Gain error
–6
±2
6
% of FSR
Gain mismatch, channel-to-channel
–3
±0.5
3
% of FSR
Bipolar zero error
At BPZ
–2
±0.5
2
% of FSR
Output current
Full scale (0 dB)
7.8
mA p-p
Center current
At BPZ
–6.2
mA
DIGITAL FILTER PERFORMANCE
De-emphasis error
±0.004
dB
FILTER CHARACTERISTICS-1: SHARP ROLLOFF
Pass band
±0.00001 dB
0.454 fS
Pass band
–3 dB
0.49 fS
Stop band
0.546 fS
Pass-band ripple
±0.00001
dB
Stop-band attenuation
Stop band = 0.546 fS
–130
dB
Delay time
55/fS
s
FILTER CHARACTERISTICS-2: SLOW ROLLOFF
Pass band
±0.04 dB
0.254 fS
Pass band
–3 dB
0.46 fS
Stop band
0.732 fS
Pass-band ripple
±0.001
dB
Stop-band attenuation
Stop band = 0.732 fS
–100
dB
Delay time
18/fS
s
(1) Filter condition:
THD+N: 20-Hz HPF, 20-kHz apogee LPF
Dynamic range: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted
Signal-to-noise ratio: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted
Channel separation: 20-Hz HPF, 20-kHz AES17 LPF
Analog performance specifications are measured using the System Two Cascade audio measurement system by Audio Precision in the averaging
mode.
(2) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 34.
(3) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 35.
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