V
參數(shù)資料
型號: AD7760BSVZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 34/37頁
文件大?。?/td> 0K
描述: IC ADC 24BIT 2.5MSPS 64TQFP
標(biāo)準(zhǔn)包裝: 1,500
位數(shù): 24
采樣率(每秒): 2.5M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 958mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-TQFP-EP(10x10)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)差分,單極;1 個(gè)差分,雙極
AD7760
Rev. A | Page 5 of 36
Parameter
Test Conditions/Comments
Specification
Unit
ANALOG INPUT
Differential Input Voltage
VIN(+) – VIN(), VREF = 2.5 V
±2
V p-p
VIN(+) – VIN(), VREF = 4.096 V
±3.25
V p-p
Input Capacitance
At internal buffer inputs
5
pF typ
At modulator inputs
55
pF typ
REFERENCE INPUT/OUTPUT
VREF Input Voltage
VDD3 = 3.3 V ± 5%
+2.5
V max
VDD3 = 5 V ± 5%
+4.096
V max
VREF Input DC Leakage Current
±6
μA max
VREF Input Capacitance
5
pF max
POWER DISSIPATION
Total Power Dissipation
Normal mode
958
mW max
Low power mode
661
mW max
Standby Mode
Clock stopped
6.35
mW max
POWER REQUIREMENTS
AVDD1 (Modulator Supply)
±5%
+2.5
V
AVDD2 (General Supply)
±5%
+5
V
AVDD3 (Differential Amplifier Supply)
+3.15/+5.25
V min/max
AVDD4 (Reference Buffer Supply)
+3.15/+5.25
V min/max
DVDD
±5%
+2.5
V
VDRIVE
+1.65/+2.7
V min/max
Normal Mode
AIDD1 (Modulator)
49/51
mA typ/max
AIDD2 (General)3
40/42
mA typ/max
AIDD4 (Reference Buffer)
AVDD4 = 5 V
34/36
mA typ/max
Low Power Mode
AIDD1 (Modulator)
26/28
mA typ/max
AIDD2 (General)3
20/23
mA typ/max
AIDD4 (Reference Buffer)
AVDD4 = 5 V
9/10
mA typ/max
AIDD3 (Differential Amplifier)
AVDD3 = 5 V, both modes
41/44
mA typ/max
DIDD
Both modes
63/70
mA typ/max
DIGITAL I/O
MCLK Input Amplitude4
5
V typ
Input Capacitance
7.3
pF typ
Input Leakage Current
±5
μA max
Three-State Leakage Current (D15:D0)
±5
μA max
VINH
0.7 × VDRIVE
V min
VINL
0.3 × VDRIVE
V max
VOH5
1.5
V min
VOH6
2.4
V typ
0.1
V max
1 See the Terminology section.
2 SNR specifications in decibels are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
3 Current scales with ICLK frequency. See the Typical Performance Characteristics section.
4 Although the AD7760 can function with an MCLK amplitude of less than 5 V, this is the recommended amplitude to achieve the performance as stated.
5 Tested using the minimum VDRIVE voltage of 1.65 V with a 400 μA load current.
6 Tested using VDRIVE = 2.5 V with a 400 μA load current.
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