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參數(shù)資料
| 型號(hào)： | MAX9967ADCCQ+TD |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 16/30頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DCL DUAL 500MBPS ATE 100TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | ATE |
| 邏輯類(lèi)型： | 比較器, 驅(qū)動(dòng)器 |
| 電源電壓： | -1.5 V ~ 6.5 V |
| 位數(shù)： | 2 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
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MAX9967
Dual, Low-Power, 500Mbps ATE
Driver/Comparator with 35mA Load
______________________________________________________________________________________
23
Each output provides a nominal 400mVP-P swing and
50
source termination.
An open-emitter configuration is also available (Figure 4).
Connect an external collector voltage to VCCO_ and add
external pulldown resistors. These resistors are typically
50
to VCCO_ - 2V at the receiving end of the output
trace. Alternate configurations may be used provided that
the Absolute Maximum Ratings are not exceeded.
Active Load
The active load consists of linearly programmable
source and sink current sources, a commutation buffer,
and a diode bridge (see Functional Diagram). Analog
reference inputs LDH_ and LDL_ program the sink and
source currents, respectively, within the 0 to 35mA
range. Analog reference input COM_ sets the commuta-
tion buffer output voltage. The source and sink naming
convention is referenced to the device under test.
Current out of the MAX9967 constitutes sink current and
current into the MAX9967 constitutes source current.
The programmed source (low) current loads the device
under test when VDUT_ > VCOM_. The programmed
sink (high) current loads the device under test when
VDUT_ < VCOM_.
The GS input allows a single level-setting DAC, such as
the MAX5631 or MAX5734, to program the MAX9967’s
active load, driver, comparator, and clamps. Although
all of the DAC levels are typically offset by VGS, the
operation of the MAX9967’s ground-sense input nulli-
fies this offset with respect to the active-load currents.
Connect GS to the ground reference used by the DAC.
(VLDL_ - VGS) sets the source current by +10mA/V.
(VLDH_ - VGS) sets the sink current by -10mA/V.
The high-speed differential input LDEN_ and 3 bits of
the control word (LDCAL, LDDIS, and LLEAK) control
the load (Table 4). When the load is enabled, the inter-
nal source and sink current sources connect to the
diode bridge. When the load is disabled, the internal
current sources shunt to ground and the top and bot-
tom of the bridge float (see the Functional Diagram).
LLEAK places the load in low-leakage mode. LLEAK
overrides LDEN_, LDDIS, and LDCAL. See the Low-
Leakage Mode, LLEAK section for more detailed infor-
mation.
LDDIS and LDCAL
In some tester configurations, the load enable is driven
with the complement of the driver high-impedance signal
(RCV_), so disabling the driver enables the load and vice
versa. The LDDIS and LDCAL signals disable and enable
the load independently of the state of LDEN_. This allows
the load and driver to be simultaneously enabled and dis-
abled for diagnostic purposes (Table 4).
Low-Leakage Mode, LLEAK
Asserting LLEAK through the serial port or with RST
places the MAX9967 into a very low-leakage state (see
the Electrical Characteristics). The comparators func-
tion at full speed, but the driver, clamps, and active
load are disabled. This mode is convenient for making
IDDQ and PMU measurements without the need for an
output disconnect relay. LLEAK is programmed inde-
pendently for each channel.
When DUT_ is driven with a high-speed signal while
LLEAK is asserted, the leakage current momentarily
increases beyond the limits specified for normal opera-
tion. The low-leakage recovery specification in the
Electrical Characteristics table indicates device behav-
ior under this condition.
EXTERNAL
CONNECTIONS
INTERNAL
CONTROL
REGISTER
DATA_
RCV_
TMSEL
LLEAK
DRIVER OUTPUT
10
X0
Drive to DHV_
00
X0
Drive to DLV_
X
110
Drive to DTV_
(term mode)
X
100
High-impedance
(high-z) mode
XXX
1
Low-leakage mode
Table 1. Driver Logic
SC1
SC0
DRIVER SLEW RATE (%)
00
100
01
75
10
50
11
25
Table 2. Slew-Rate Logic
DUT_ > CHV_
DUT_ > CLV_
CH_
CL_
00
0
01
0
1
10
1
0
11
1
Table 3. Comparator Logic
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9967ALCCQ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9967ALCCQ+D | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX9967ALCCQ+TD | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX9967ALCCQ-D | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX9967ALCCQ-TD | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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