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參數(shù)資料
| 型號： | AD1954YSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 35/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC AUDIO 3CHAN 26BIT 48LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SigmaDSP® |
| 位數(shù)： | 26 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 3 |
| 電壓電源： | 模擬和數(shù)字 |
| 功率耗散（最大）： | 510mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 6 電壓，單極 |
| 采樣率（每秒）： | 48k |
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–8–
AD1954–Typical Performance Characteristics
0
–160
0
20
2
4
6
8
14
16
18
–20
–80
–120
–40
–60
–100
–140
10
12
kHz
dB
TPC 1. FFT of Full-Scale Sine Wave (32k Points)
0
–160
0
20
2
4
6
8
14
16
18
–20
–80
–120
–40
–60
–100
–140
10
12
kHz
dB
TPC 2. FFT of –60 dB Sine Wave (32k Points)
Hz
0
–20
20
10k
–10
1k
100
–2
–4
–6
–8
–12
–14
–16
–18
50
200
500
5k
dB
2k
TPC 3. Frequency Response of EQ Biquad Filters
3.0
–3.0
–120
0
–100
–80
–20
0.5
–1.0
–2.0
0
–0.5
–1.5
–2.5
–60
–40
dBFS
2.5
1.5
2.0
1.0
dB
TPC 4. Linearity Plot
–2.0
–120
0
–100
–80
–20
–60
ms
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
V
TPC 5. Tone-Burst Response with Compressor
Threshold Set to –20 dB
PERFORMANCE PLOTS
The following plots demonstrate the performance achieved on the
actual silicon.TPC 1 shows an FFT of a full-scale 1 kHz signal,
with a THD+N of –100 dB, which is dominated by a second
harmonic.TPC 2 shows an FFT of a –60 dB sine wave, demon-
strating the lack of low-level artifacts.TPC 3 shows a frequency
response plot with the seven equalization biquads set to an alter-
nating pattern of 6 dB boosts and cuts.TPC 4 shows a linearity
plot, where the measurement was taken with the same equalization
curve used to make TPC 3.When the biquad filters are not in use,
the signal passes through the filters with no quantization effects.
TPC 4 therefore demonstrates that using double-precision math
in the biquad filters has virtually eliminated any quantization
artifacts.TPC 5 shows a tone-burst applied to the compressor,
with the attack and recovery characteristics plainly visible.The
rms detector was programmed for normal rms time constants;
the hold/decay feature was not used for this plot.
REV. A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1954YSTZRL | 功能描述:IC DAC AUDIO 3CHAN 26BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD1954YSZ | 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 44-Pin MQFP |
| AD1955 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance Multibit DAC with SACD Playback |
| AD1955ARS | 制造商:Rochester Electronics LLC 功能描述:24 BIT 192KHZ DAC 123 DB DNR WITH SACD - Bulk 制造商:Analog Devices 功能描述:IC DAC 24-BIT |
| AD1955ARSRL | 制造商:Analog Devices 功能描述:DAC 2-CH Delta-Sigma 24-bit 28-Pin SSOP T/R 制造商:Rochester Electronics LLC 功能描述:24 BIT 192KHZ DAC 123 DB DNR WITH SACD - Bulk |
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